/* ==========================================================================
   1. ROOT TOKENS
   ========================================================================== */
:root {
  /* Brand */
  --color-primary: #0B6E8A;
  /* Calm teal-blue */
  --color-primary-hover: #09566D;
  --color-primary-soft: #E3F2F7;
  --color-accent: #C8932F;
  /* Muted gold – real-estate premium */
  --color-accent-hover: #B07F24;
  --color-accent-soft: #FCF6EC;

  /* Semantic */
  --color-success: #2E8B57;
  --color-success-hover: #247045;
  --color-success-soft: #E4F4EA;
  --color-warning: #D98A00;
  --color-warning-hover: #B87500;
  --color-warning-soft: #FFF3DB;
  --color-danger: #C8433A;
  --color-danger-hover: #AB3730;
  --color-danger-soft: #FBE7E5;
  --color-info: #3B6FD4;
  --color-info-hover: #2E5BB5;
  --color-info-soft: #E6EEFB;
  --color-neutral: #5A6A7E;
  --color-neutral-soft: #EEF2F6;

  /* Surfaces & Backgrounds */
  --color-bg: #F3F5F8;
  --color-surface: #FFFFFF;
  --color-surface-alt: #F8FAFC;
  --color-surface-hover: #F1F5F9;
  --color-border: #DDE3EA;
  --color-border-strong: #C3CCD6;
  --color-border-focus: #0B6E8A;
  --color-overlay: rgba(15, 36, 55, 0.55);
  --color-scrollbar: #CBD5E1;

  /* Text */
  --color-text: #1E2A36;
  --color-text-muted: #6A7885;
  --color-text-subtle: #8E9BA8;
  --color-text-inverse: #FFFFFF;

  /* Sidebar & Topbar */
  --sidebar-bg: #0F2437;
  --sidebar-bg-alt: #0B1B2B;
  --sidebar-text: #C9D5E0;
  --sidebar-text-muted: #7E93A7;
  --sidebar-active-bg: #173650;
  --sidebar-active-text: #FFFFFF;
  --sidebar-hover-bg: #132D44;
  --sidebar-accent: var(--color-accent);
  --sidebar-width: 248px;
  --sidebar-collapsed: 68px;
  --topbar-height: 60px;
  --topbar-bg: #FFFFFF;
  --topbar-border: #DDE3EA;

  /* Tables */
  --table-head-bg: #F1F4F8;
  --table-head-text: #415162;
  --table-row-hover: #F5F9FC;
  --table-stripe: #FAFBFD;
  --table-border: #E5EBF2;

  /* Typography */
  --font-sans: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  --font-mono: ui-monospace, Consolas, "Liberation Mono", Menlo, monospace;
  --fs-xs: 0.75rem;
  /* 12px */
  --fs-sm: 0.8125rem;
  /* 13px */
  --fs-md: 0.875rem;
  /* 14px */
  --fs-base: 0.9375rem;
  /* 15px */
  --fs-lg: 1.125rem;
  /* 18px */
  --fs-xl: 1.375rem;
  /* 22px */
  --fs-2xl: 1.75rem;
  /* 28px */
  --fs-kpi: 1.875rem;
  /* 30px */

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  --lh-tight: 1.25;
  --lh-base: 1.5;
  --lh-relaxed: 1.65;

  /* Spacing Scale (4px base) */
  --space-0: 0;
  --space-1: 0.25rem;
  /* 4px */
  --space-2: 0.5rem;
  /* 8px */
  --space-3: 0.75rem;
  /* 12px */
  --space-4: 1rem;
  /* 16px */
  --space-5: 1.25rem;
  /* 20px */
  --space-6: 1.5rem;
  /* 24px */
  --space-7: 2rem;
  /* 32px */
  --space-8: 2.5rem;
  /* 40px */
  --space-9: 3rem;
  /* 48px */

  /* Shape & Elevation */
  --radius-xs: 3px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(16, 32, 48, 0.06);
  --shadow-md: 0 4px 14px rgba(16, 32, 48, 0.10);
  --shadow-lg: 0 12px 32px rgba(16, 32, 48, 0.18);
  --shadow-card: 0 1px 3px rgba(16, 32, 48, 0.05), 0 1px 2px rgba(16, 32, 48, 0.04);
  --shadow-focus: 0 0 0 3px rgba(11, 110, 138, 0.22);
  --shadow-danger-focus: 0 0 0 3px rgba(200, 67, 58, 0.22);

  --transition: 0.18s ease;
  --transition-slow: 0.28s ease;

  /* Z-Index Ladder */
  --z-sidebar: 100;
  --z-topbar: 110;
  --z-sticky: 150;
  --z-dropdown: 200;
  --z-drawer: 250;
  --z-modal: 300;
  --z-toast: 400;
  --z-tooltip: 500;
}

/* ==========================================================================
   2. DARK THEME OVERRIDES
   ========================================================================== */
[data-theme="dark"] {
  --color-primary: #179BBF;
  --color-primary-hover: #22AFD4;
  --color-primary-soft: #123444;
  --color-accent: #E0A738;
  --color-accent-hover: #F2BA4C;
  --color-accent-soft: #382B12;

  --color-success: #38B06D;
  --color-success-hover: #48C47F;
  --color-success-soft: #153B25;
  --color-warning: #EE9E0E;
  --color-warning-hover: #FAB026;
  --color-warning-soft: #3D2D0C;
  --color-danger: #E2554B;
  --color-danger-hover: #F06D64;
  --color-danger-soft: #3F1916;
  --color-info: #5587E8;
  --color-info-hover: #6E9BF2;
  --color-info-soft: #182C4C;
  --color-neutral: #8D9EAE;
  --color-neutral-soft: #242E38;

  --color-bg: #0C151D;
  --color-surface: #13202C;
  --color-surface-alt: #172635;
  --color-surface-hover: #1D3042;
  --color-border: #233547;
  --color-border-strong: #334B62;
  --color-border-focus: #179BBF;
  --color-overlay: rgba(0, 0, 0, 0.75);
  --color-scrollbar: #334A60;

  --color-text: #E5EDF4;
  --color-text-muted: #9BB0C1;
  --color-text-subtle: #728799;
  --color-text-inverse: #0C151D;

  --sidebar-bg: #09121B;
  --sidebar-bg-alt: #060D14;
  --sidebar-text: #B4C5D4;
  --sidebar-text-muted: #62778A;
  --sidebar-active-bg: #12283C;
  --sidebar-active-text: #FFFFFF;
  --sidebar-hover-bg: #0E1F2F;
  --sidebar-accent: var(--color-accent);
  --topbar-bg: #13202C;
  --topbar-border: #233547;
}

/* ==========================================================================
   3. RESET & BASE
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  font-weight: var(--fw-regular);
  line-height: var(--lh-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  overflow-x: hidden;
}

img,
svg,
picture,
video {
  display: block;
  max-width: 100%;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary-hover);
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
  border: none;
  background: none;
}

button {
  cursor: pointer;
}

table {
  border-collapse: collapse;
  width: 100%;
}

ul,
ol {
  list-style: none;
}

/* Accessible focus ring */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Custom scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--color-scrollbar);
  border-radius: var(--radius-pill);
}

/* Hidden elements */
.is-hidden,
.svg-sprite {
  display: none !important;
}

/* Icons */
.icon {
  width: 1.125rem;
  height: 1.125rem;
  fill: currentColor;
  flex-shrink: 0;
  vertical-align: middle;
}

.icon--sm {
  width: 0.875rem;
  height: 0.875rem;
}

.icon--lg {
  width: 1.375rem;
  height: 1.375rem;
}

.icon--xl {
  width: 1.75rem;
  height: 1.75rem;
}

/* ==========================================================================
   4. LAYOUT (APP SHELL, SIDEBAR, TOPBAR, CONTENT)
   ========================================================================== */
.app {
  display: flex;
  min-height: 100vh;
  background-color: var(--color-bg);
}

/* --- LOGIN LAYOUT --- */
.login-wrap {
  min-height: 100vh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background-color: var(--color-bg);
}

.login-card {
  width: 100%;
  max-width: 460px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-7);
}

.login-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: var(--space-6);
}

.login-brand__logo {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-3);
  box-shadow: var(--shadow-md);
}

.login-brand__title {
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--color-text);
}

.login-brand__subtitle {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.login-roles {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px dashed var(--color-border);
}

.login-roles__title {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: var(--space-2);
}

.login-roles__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
}

/* --- SIDEBAR --- */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--sidebar-bg);
  color: var(--sidebar-text);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: var(--z-sidebar);
  transition: width var(--transition);
  border-right: 1px solid var(--sidebar-hover-bg);
}

.sidebar__header {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-4);
  border-bottom: 1px solid var(--sidebar-hover-bg);
}

.sidebar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: var(--fw-bold);
  font-size: var(--fs-lg);
  color: var(--color-text-inverse);
  white-space: nowrap;
  overflow: hidden;
}

.sidebar__brand-logo {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-inverse);
  font-weight: var(--fw-bold);
  font-size: var(--fs-md);
  flex-shrink: 0;
}

.sidebar__brand-badge {
  font-size: var(--fs-xs);
  padding: 2px 6px;
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  border-radius: var(--radius-pill);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.5px;
}

.sidebar__action {
  padding: var(--space-3) var(--space-4);
}

.sidebar__btn-new {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-pill);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-md);
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition), transform var(--transition);
}

.sidebar__btn-new:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
}

.sidebar__nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--space-2) 0;
}

.nav-section-title {
  padding: var(--space-3) var(--space-4) var(--space-1);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sidebar-text-muted);
  font-weight: var(--fw-semibold);
  white-space: nowrap;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
  color: var(--sidebar-text);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  transition: background-color var(--transition), color var(--transition);
  white-space: nowrap;
  user-select: none;
}

.nav-link:hover {
  background-color: var(--sidebar-hover-bg);
  color: var(--color-text-inverse);
}

.nav-link.is-active {
  background-color: var(--sidebar-active-bg);
  color: var(--sidebar-active-text);
  font-weight: var(--fw-semibold);
}

.nav-link.is-active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background-color: var(--sidebar-accent);
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
}

.nav-link__badge {
  margin-left: auto;
  font-size: var(--fs-xs);
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  background-color: var(--sidebar-hover-bg);
  color: var(--sidebar-text);
  font-weight: var(--fw-semibold);
}

.nav-link__caret {
  margin-left: auto;
  transition: transform var(--transition);
}

.nav-group.is-open .nav-link__caret {
  transform: rotate(90deg);
}

.nav-submenu {
  display: none;
  background-color: var(--sidebar-bg-alt);
  padding: var(--space-1) 0;
}

.nav-group.is-open .nav-submenu {
  display: block;
}

.nav-sublink {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4) var(--space-2) var(--space-8);
  font-size: var(--fs-xs);
  color: var(--sidebar-text);
  transition: color var(--transition), background-color var(--transition);
}

.nav-sublink:hover {
  color: var(--color-text-inverse);
  background-color: var(--sidebar-hover-bg);
}

.nav-sublink.is-active {
  color: var(--sidebar-accent);
  font-weight: var(--fw-semibold);
}

.sidebar__footer {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--sidebar-hover-bg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar__collapse-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--sidebar-text-muted);
  font-size: var(--fs-xs);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background-color var(--transition);
}

.sidebar__collapse-btn:hover {
  color: var(--color-text-inverse);
  background-color: var(--sidebar-hover-bg);
}

/* Sidebar Collapsed State */
.app.is-sidebar-collapsed .sidebar {
  width: var(--sidebar-collapsed);
}

.app.is-sidebar-collapsed .sidebar__brand span,
.app.is-sidebar-collapsed .sidebar__btn-new span,
.app.is-sidebar-collapsed .nav-section-title,
.app.is-sidebar-collapsed .nav-link span,
.app.is-sidebar-collapsed .nav-link__badge,
.app.is-sidebar-collapsed .nav-link__caret,
.app.is-sidebar-collapsed .sidebar__collapse-btn span,
.app.is-sidebar-collapsed .nav-submenu {
  display: none !important;
}

.app.is-sidebar-collapsed .sidebar__header {
  justify-content: center;
  padding: 0;
}

.app.is-sidebar-collapsed .nav-link {
  justify-content: center;
  padding: var(--space-3) 0;
}

.app.is-sidebar-collapsed .sidebar__action {
  padding: var(--space-3) var(--space-2);
}

.app.is-sidebar-collapsed .sidebar__btn-new {
  padding: var(--space-2);
  border-radius: var(--radius-md);
}

.app.is-sidebar-collapsed .main {
  margin-left: var(--sidebar-collapsed);
}

/* --- MAIN WRAPPER & TOPBAR --- */
.main {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-width: 0;
  transition: margin-left var(--transition);
}

.topbar {
  height: var(--topbar-height);
  background-color: var(--topbar-bg);
  border-bottom: 1px solid var(--topbar-border);
  position: sticky;
  top: 0;
  z-index: var(--z-topbar);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  gap: var(--space-4);
  box-shadow: var(--shadow-sm);
}

.topbar__left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex: 1;
  max-width: 600px;
}

.topbar__switcher {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  cursor: pointer;
  white-space: nowrap;
}

.topbar__switcher:hover {
  border-color: var(--color-border-strong);
  background-color: var(--color-surface-hover);
}

.topbar__search {
  position: relative;
  flex: 1;
}

.topbar__search-input {
  width: 100%;
  height: 38px;
  padding: 0 var(--space-4) 0 2.25rem;
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: var(--fs-sm);
  transition: all var(--transition);
}

.topbar__search-input:focus {
  outline: none;
  background-color: var(--color-surface);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
}

.topbar__search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

.topbar__search-shortcut {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--fs-xs);
  padding: 2px 6px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  color: var(--color-text-subtle);
}

.topbar__right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.topbar__icon-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  position: relative;
  transition: all var(--transition);
}

.topbar__icon-btn:hover {
  background-color: var(--color-surface-hover);
  color: var(--color-text);
}

.topbar__icon-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-pill);
  background-color: var(--color-danger);
  border: 2px solid var(--color-surface);
}

.topbar__divider {
  width: 1px;
  height: 24px;
  background-color: var(--color-border);
  margin: 0 var(--space-1);
}

.topbar__user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition);
}

.topbar__user:hover {
  background-color: var(--color-surface-hover);
}

.topbar__avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--color-primary), var(--color-info));
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
}

.topbar__user-info {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.topbar__user-name {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  line-height: 1.2;
}

.topbar__user-role {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

/* --- CONTENT AREA --- */
.content {
  flex: 1;
  padding: var(--space-6);
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
}

/* --- PAGE HEADER & BREADCRUMBS --- */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.page-header__main {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumb__item a {
  color: var(--color-text-muted);
}

.breadcrumb__item a:hover {
  color: var(--color-primary);
}

.breadcrumb__separator {
  color: var(--color-text-subtle);
}

.breadcrumb__item.is-active {
  color: var(--color-text);
  font-weight: var(--fw-medium);
}

.page-title {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  line-height: var(--lh-tight);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.page-subtitle {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.page-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* --- TABS BAR (QuickBooks Hub style) --- */
.tabs-bar {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-6);
  overflow-x: auto;
}

.tab-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: all var(--transition);
}

.tab-link:hover {
  color: var(--color-text);
  border-bottom-color: var(--color-border-strong);
}

.tab-link.is-active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: var(--fw-semibold);
}

.tab-link__count {
  font-size: var(--fs-xs);
  padding: 1px 6px;
  border-radius: var(--radius-pill);
  background-color: var(--color-neutral-soft);
  color: var(--color-text-muted);
}

.tab-link.is-active .tab-link__count {
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
}

/* ==========================================================================
   5. COMPONENTS (BUTTONS, CARDS, FORMS, TABLES, BADGES, MODALS)
   ========================================================================== */

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.5rem 1rem;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  line-height: 1.25;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn:active {
  transform: translateY(1px);
}

.btn:disabled,
.btn.is-disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

/* Button Variants */
.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn--primary:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-text-inverse);
}

.btn--secondary {
  background-color: var(--color-surface-alt);
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn--secondary:hover {
  background-color: var(--color-surface-hover);
  border-color: var(--color-border-strong);
}

.btn--outline {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--outline:hover {
  background-color: var(--color-primary-soft);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text-muted);
}

.btn--ghost:hover {
  background-color: var(--color-surface-hover);
  color: var(--color-text);
}

.btn--accent {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
}

.btn--accent:hover {
  background-color: var(--color-accent-hover);
}

.btn--success {
  background-color: var(--color-success);
  color: var(--color-text-inverse);
}

.btn--success:hover {
  background-color: var(--color-success-hover);
}

.btn--danger {
  background-color: var(--color-danger);
  color: var(--color-text-inverse);
}

.btn--danger:hover {
  background-color: var(--color-danger-hover);
}

.btn--warning {
  background-color: var(--color-warning);
  color: var(--color-text-inverse);
}

.btn--warning:hover {
  background-color: var(--color-warning-hover);
}

/* Button Sizes */
.btn--sm {
  padding: 0.25rem 0.625rem;
  font-size: var(--fs-xs);
  border-radius: var(--radius-xs);
}

.btn--lg {
  padding: 0.625rem 1.25rem;
  font-size: var(--fs-base);
}

.btn--icon {
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
}

.btn--icon:hover {
  background-color: var(--color-surface-hover);
  color: var(--color-text);
}

.btn-group {
  display: inline-flex;
  border-radius: var(--radius-sm);
}

.btn-group .btn {
  border-radius: 0;
  margin-left: -1px;
}

.btn-group .btn:first-child {
  border-top-left-radius: var(--radius-sm);
  border-bottom-left-radius: var(--radius-sm);
  margin-left: 0;
}

.btn-group .btn:last-child {
  border-top-right-radius: var(--radius-sm);
  border-bottom-right-radius: var(--radius-sm);
}

.btn-split {
  display: inline-flex;
  vertical-align: middle;
}

.btn-split>.btn:first-child {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.btn-split>.btn:last-child {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  border-left: 1px solid var(--color-overlay);
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}

/* --- CARDS & KPI WIDGETS --- */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card__header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.card__title {
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.card__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.card__body {
  padding: var(--space-5);
  flex: 1;
}

.card__body--flush {
  padding: 0;
}

.card__footer {
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface-alt);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom-left-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

/* KPI Card */
.kpi {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.kpi__label {
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.kpi__value {
  font-size: var(--fs-kpi);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  line-height: 1.1;
  font-feature-settings: "tnum";
}

.kpi__trend {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
}

.kpi__trend--up {
  color: var(--color-success);
}

.kpi__trend--down {
  color: var(--color-danger);
}

.kpi__trend--neutral {
  color: var(--color-text-muted);
}

/* Progress Bars */
.progress {
  width: 100%;
  height: 8px;
  background-color: var(--color-border);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.progress--sm {
  height: 6px;
}

.progress__bar {
  height: 100%;
  background-color: var(--color-primary);
  border-radius: var(--radius-pill);
  transition: width var(--transition);
}

/* Segmented Progress Bar (QuickBooks invoices bar) */
.segbar {
  display: flex;
  height: 8px;
  border-radius: var(--radius-pill);
  overflow: hidden;
  background-color: var(--color-neutral-soft);
  margin: var(--space-3) 0 var(--space-2);
}

.segbar__seg {
  height: 100%;
  transition: width var(--transition);
}

.segbar__seg--paid {
  background-color: var(--color-success);
}

.segbar__seg--unpaid {
  background-color: var(--color-warning);
}

.segbar__seg--overdue {
  background-color: var(--color-danger);
}

.segbar__seg--draft {
  background-color: var(--color-neutral);
}

.segbar-legend {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.segbar-legend__item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.segbar-legend__dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-pill);
}

.segbar-legend__dot--paid {
  background-color: var(--color-success);
}

.segbar-legend__dot--unpaid {
  background-color: var(--color-warning);
}

.segbar-legend__dot--overdue {
  background-color: var(--color-danger);
}

.segbar-legend__dot--draft {
  background-color: var(--color-neutral);
}

/* --- SUMMARY STRIP (Top of List/Hub pages) --- */
.summary-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.summary-strip__item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.summary-strip__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.summary-strip__item--unpaid::before {
  background-color: var(--color-warning);
}

.summary-strip__item--overdue::before {
  background-color: var(--color-danger);
}

.summary-strip__item--paid::before {
  background-color: var(--color-success);
}

.summary-strip__item--info::before {
  background-color: var(--color-info);
}

.summary-strip__item--accent::before {
  background-color: var(--color-accent);
}

.summary-strip__label {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.summary-strip__amount {
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  line-height: 1.2;
}

.summary-strip__count {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* --- BADGES --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px 8px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  line-height: 1.4;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.badge--dot::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: var(--radius-pill);
  background-color: currentColor;
}

/* Badge Semantics */
.badge--neutral {
  background-color: var(--color-neutral-soft);
  color: var(--color-neutral);
}

.badge--info {
  background-color: var(--color-info-soft);
  color: var(--color-info);
}

.badge--success {
  background-color: var(--color-success-soft);
  color: var(--color-success);
}

.badge--warning {
  background-color: var(--color-warning-soft);
  color: var(--color-warning);
}

.badge--danger {
  background-color: var(--color-danger-soft);
  color: var(--color-danger);
}

.badge--accent {
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
}

/* --- FORM ELEMENTS --- */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.label {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.label--required::after {
  content: "*";
  color: var(--color-danger);
  font-weight: var(--fw-bold);
}

.input,
.select,
.textarea {
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: var(--fs-sm);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  transition: all var(--transition);
}

.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
}

.input:disabled,
.select:disabled,
.textarea:disabled,
.input[readonly] {
  background-color: var(--color-surface-alt);
  color: var(--color-text-muted);
  cursor: not-allowed;
}

.input.is-invalid,
.select.is-invalid,
.textarea.is-invalid {
  border-color: var(--color-danger);
  box-shadow: var(--shadow-danger-focus);
}

.textarea {
  min-height: 80px;
  resize: vertical;
}

.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236A7885' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 14px;
  padding-right: 2rem;
}

.input-group {
  display: flex;
  align-items: stretch;
  width: 100%;
}

.input-group .input,
.input-group .select {
  border-radius: 0;
}

.input-group> :first-child {
  border-top-left-radius: var(--radius-sm);
  border-bottom-left-radius: var(--radius-sm);
}

.input-group> :last-child {
  border-top-right-radius: var(--radius-sm);
  border-bottom-right-radius: var(--radius-sm);
}

.input-group-addon {
  display: flex;
  align-items: center;
  padding: 0 0.75rem;
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  white-space: nowrap;
}

.input-group>.input-group-addon:first-child {
  border-right: none;
}

.input-group>.input-group-addon:last-child {
  border-left: none;
}

.help-text {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.error-text {
  font-size: var(--fs-xs);
  color: var(--color-danger);
  display: none;
}

.form-group.has-error .error-text {
  display: block;
}

/* Custom Checkbox and Radio */
.checkbox-label,
.radio-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  cursor: pointer;
  user-select: none;
}

.checkbox,
.radio {
  width: 16px;
  height: 16px;
  border: 1px solid var(--color-border-strong);
  background-color: var(--color-surface);
  cursor: pointer;
  transition: all var(--transition);
}

.checkbox {
  border-radius: var(--radius-xs);
}

.radio {
  border-radius: var(--radius-pill);
}

.checkbox:checked,
.radio:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

/* Custom Switch Toggle */
.switch {
  position: relative;
  display: inline-block;
  width: 38px;
  height: 22px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-border-strong);
  transition: var(--transition);
  border-radius: var(--radius-pill);
}

.switch-slider::before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: var(--color-surface);
  transition: var(--transition);
  border-radius: var(--radius-pill);
}

.switch input:checked+.switch-slider {
  background-color: var(--color-primary);
}

.switch input:checked+.switch-slider::before {
  transform: translateX(16px);
}

/* --- TABLES --- */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: var(--fs-sm);
}

.table th {
  background-color: var(--table-head-bg);
  color: var(--table-head-text);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
  user-select: none;
}

.table th.th-sort {
  cursor: pointer;
  transition: background-color var(--transition);
}

.table th.th-sort:hover {
  background-color: var(--color-border);
}

.table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--table-border);
  color: var(--color-text);
  vertical-align: middle;
}

.table tbody tr {
  transition: background-color var(--transition);
}

.table tbody tr:hover {
  background-color: var(--table-row-hover);
}

.table--striped tbody tr:nth-child(even) {
  background-color: var(--table-stripe);
}

.table .td-num {
  text-align: right;
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
}

.table .td-actions {
  text-align: right;
  white-space: nowrap;
}

.table .th-check,
.table .td-check {
  width: 36px;
  padding-right: 0;
  text-align: center;
}

.row-total td {
  font-weight: var(--fw-bold);
  background-color: var(--color-surface-alt);
  border-top: 2px solid var(--color-border-strong);
  border-bottom: 2px solid var(--color-border-strong);
}

/* Table Toolbar (QuickBooks list style) */
.table-toolbar {
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.table-toolbar__left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 1;
  flex-wrap: wrap;
}

.table-toolbar__right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.table-search {
  position: relative;
  min-width: 220px;
}

.table-search__input {
  width: 100%;
  height: 34px;
  padding: 0 var(--space-3) 0 2rem;
  font-size: var(--fs-xs);
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.table-search__icon {
  position: absolute;
  left: 0.625rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

/* Batch Action Bar */
.batch-bar {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-primary-soft);
  border-bottom: 1px solid var(--color-primary);
  font-size: var(--fs-sm);
  color: var(--color-primary-hover);
  font-weight: var(--fw-semibold);
}

.batch-bar.is-active {
  display: flex;
}

.batch-bar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Pagination */
.pagination {
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  flex-wrap: wrap;
  gap: var(--space-3);
}

.pagination__info {
  font-feature-settings: "tnum";
}

.pagination__controls {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.pagination__btn {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: var(--fs-xs);
  cursor: pointer;
  transition: all var(--transition);
}

.pagination__btn:hover {
  background-color: var(--color-surface-hover);
  border-color: var(--color-border-strong);
}

.pagination__btn.is-active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
  font-weight: var(--fw-semibold);
}

/* --- OVERLAYS: MODALS, DRAWERS, DROPDOWNS --- */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.modal.is-open {
  opacity: 1;
  visibility: visible;
}

.modal__backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-overlay);
  backdrop-filter: blur(2px);
}

.modal__dialog {
  position: relative;
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.96);
  transition: transform var(--transition);
  border: 1px solid var(--color-border);
}

.modal.is-open .modal__dialog {
  transform: scale(1);
}

.modal--lg .modal__dialog {
  max-width: 840px;
}

.modal--xl .modal__dialog {
  max-width: 1100px;
}

.modal__header {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal__title {
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--color-text);
}

.modal__close {
  color: var(--color-text-muted);
  padding: var(--space-1);
  border-radius: var(--radius-sm);
}

.modal__close:hover {
  background-color: var(--color-surface-hover);
  color: var(--color-text);
}

.modal__body {
  padding: var(--space-6);
  overflow-y: auto;
  flex: 1;
}

.modal__footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface-alt);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* Drawer (Side panel for quick-create) */
.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 540px;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-drawer);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  border-left: 1px solid var(--color-border);
}

.drawer.is-open {
  transform: translateX(0);
}

.drawer__header {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer__body {
  padding: var(--space-6);
  overflow-y: auto;
  flex: 1;
}

.drawer__footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface-alt);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* Dropdown Menu */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown__menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--space-1);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  min-width: 200px;
  z-index: var(--z-dropdown);
  display: none;
  padding: var(--space-1) 0;
}

.dropdown__menu.is-open {
  display: block;
}

.dropdown__menu--left {
  right: auto;
  left: 0;
}

.dropdown__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--fs-sm);
  color: var(--color-text);
  cursor: pointer;
  transition: background-color var(--transition);
  width: 100%;
  text-align: left;
}

.dropdown__item:hover {
  background-color: var(--color-surface-hover);
  color: var(--color-primary);
}

.dropdown__divider {
  height: 1px;
  background-color: var(--color-border);
  margin: var(--space-1) 0;
}

/* Mega Create Menu (+ New in Topbar/Sidebar) */
.create-menu {
  position: fixed;
  top: var(--topbar-height);
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 860px;
  max-width: 95vw;
  z-index: var(--z-dropdown);
  display: none;
  padding: var(--space-6);
}

.create-menu.is-open {
  display: block;
}

.create-menu__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.create-menu__column-title {
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--color-border);
}

.create-menu__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.create-menu__link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  color: var(--color-text);
  transition: all var(--transition);
}

.create-menu__link:hover {
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
  transform: translateX(2px);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 300px;
  max-width: 420px;
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--color-primary);
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--fs-sm);
  transform: translateX(120%);
  transition: transform var(--transition-slow);
  border: 1px solid var(--color-border);
}

.toast.is-show {
  transform: translateX(0);
}

.toast--success {
  border-left-color: var(--color-success);
}

.toast--danger {
  border-left-color: var(--color-danger);
}

.toast--warning {
  border-left-color: var(--color-warning);
}

.toast--info {
  border-left-color: var(--color-info);
}

.toast__content {
  flex: 1;
}

.toast__title {
  font-weight: var(--fw-semibold);
  margin-bottom: 2px;
}

.toast__msg {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.toast__close {
  color: var(--color-text-muted);
  cursor: pointer;
}

/* ==========================================================================
   6. ERP PATTERNS (DOC HEADER, TOTALS BOX, LINE GRID, STICKY ACTIONS, ETC)
   ========================================================================== */

/* Document Header (Quotes, Bookings, Invoices, Vouchers) */
.doc-header {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-6);
  box-shadow: var(--shadow-card);
}

.doc-header__title-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.doc-header__title {
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.doc-header__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

/* Big Amount Due / Total Box on the Right of Transactions */
.amount-box {
  background: linear-gradient(135deg, var(--color-primary-soft), var(--color-surface));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  text-align: right;
  min-width: 240px;
}

.amount-box__label {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.amount-box__value {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  color: var(--color-primary);
  line-height: 1.1;
  font-feature-settings: "tnum";
}

.amount-box__currency {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-muted);
  margin-right: 4px;
}

/* Line Items Repeating Grid */
.line-grid {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-surface);
  margin-bottom: var(--space-6);
}

.line-grid .table th {
  background-color: var(--table-head-bg);
}

.line-grid .input,
.line-grid .select {
  padding: 0.375rem 0.5rem;
  font-size: var(--fs-xs);
}

/* Totals Box at the bottom-right of forms */
.totals-box {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: 360px;
  margin-left: auto;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-size: var(--fs-sm);
}

.totals-box__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-1) 0;
  color: var(--color-text-muted);
}

.totals-box__row--grand {
  border-top: 2px solid var(--color-border-strong);
  padding-top: var(--space-3);
  margin-top: var(--space-1);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--color-text);
}

.totals-box__val {
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
}

/* Sticky Action Bar at the Bottom of Forms */
.sticky-actions {
  position: sticky;
  bottom: 0;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-lg);
  z-index: var(--z-sticky);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.sticky-actions__left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.sticky-actions__right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Approval Bar / Status Flow Strip */
.status-flow {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-6);
  overflow-x: auto;
}

.status-step {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.status-step__dot {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-border);
  color: var(--color-text-muted);
  font-size: 11px;
}

.status-step.is-done {
  color: var(--color-success);
}

.status-step.is-done .status-step__dot {
  background-color: var(--color-success-soft);
  color: var(--color-success);
}

.status-step.is-current {
  color: var(--color-primary);
}

.status-step.is-current .status-step__dot {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.status-flow__arrow {
  color: var(--color-border-strong);
  margin: 0 var(--space-1);
}

/* Statement of Account (SOA) Table */
.soa-table {
  font-size: var(--fs-xs);
}

.soa-table th {
  padding: var(--space-2) var(--space-3);
}

.soa-table td {
  padding: var(--space-2) var(--space-3);
}

.soa-header {
  display: flex;
  justify-content: space-between;
  border-bottom: 2px solid var(--color-text);
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-4);
}

/* Bank Reconciliation Grid */
.reconcile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.reconcile-diff {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  text-align: center;
  font-weight: var(--fw-bold);
  font-size: var(--fs-xl);
  background-color: var(--color-warning-soft);
  color: var(--color-warning-hover);
  border: 1px solid var(--color-warning);
}

.reconcile-diff.is-balanced {
  background-color: var(--color-success-soft);
  color: var(--color-success);
  border-color: var(--color-success);
}

/* Audit / History Panel */
.audit-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.audit-item {
  display: flex;
  gap: var(--space-3);
  position: relative;
  padding-bottom: var(--space-4);
}

.audit-item::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 24px;
  bottom: 0;
  width: 2px;
  background-color: var(--color-border);
}

.audit-item:last-child::before {
  display: none;
}

.audit-dot {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-pill);
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  z-index: 1;
}

.audit-content {
  flex: 1;
  font-size: var(--fs-xs);
}

.audit-title {
  font-weight: var(--fw-semibold);
  color: var(--color-text);
}

.audit-time {
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* Kanban Board (Leads / Tasks) */
.kanban {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
  align-items: flex-start;
}

.kanban-col {
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  max-height: 80vh;
}

.kanban-col__header {
  padding: var(--space-3) var(--space-4);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
}

.kanban-col__body {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  overflow-y: auto;
}

.kanban-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  box-shadow: var(--shadow-sm);
  cursor: grab;
  transition: all var(--transition);
}

.kanban-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Filter Bar & Chips */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 4px 10px;
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: var(--fs-xs);
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-chip:hover {
  background-color: var(--color-surface-hover);
  border-color: var(--color-border-strong);
}

.filter-chip.is-active {
  background-color: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: var(--fw-semibold);
}

/* ==========================================================================
   7. UTILITIES
   ========================================================================== */
.flex {
  display: flex;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-end {
  justify-content: flex-end;
}

.gap-1 {
  gap: var(--space-1);
}

.gap-2 {
  gap: var(--space-2);
}

.gap-3 {
  gap: var(--space-3);
}

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.w-100 {
  width: 100%;
}

.text-right {
  text-align: right;
}

.text-center {
  text-align: center;
}

.text-muted {
  color: var(--color-text-muted);
}

.fw-semibold {
  font-weight: var(--fw-semibold);
}

.fw-bold {
  font-weight: var(--fw-bold);
}

.mt-2 {
  margin-top: var(--space-2);
}

.mt-4 {
  margin-top: var(--space-4);
}

.mt-6 {
  margin-top: var(--space-6);
}

.mb-4 {
  margin-bottom: var(--space-4);
}

.mb-6 {
  margin-bottom: var(--space-6);
}

.w-10 {
  width: 10%;
}

.w-20 {
  width: 20%;
}

.w-25 {
  width: 25%;
}

.w-40 {
  width: 40%;
}

.w-50 {
  width: 50%;
}

.w-60 {
  width: 60%;
}

.w-65 {
  width: 65%;
}

.w-70 {
  width: 70%;
}

.w-75 {
  width: 75%;
}

.w-80 {
  width: 80%;
}

.w-90 {
  width: 90%;
}

.th-w-36 {
  width: 36px;
}

.th-w-50 {
  width: 50px;
}

.th-w-170 {
  width: 170px;
}

.th-w-200 {
  width: 200px;
}

.th-w-220 {
  width: 220px;
}

.th-w-280 {
  width: 280px;
}

.self-end {
  align-self: flex-end;
}

.max-w-500 {
  max-width: 500px;
  flex: 1;
}

.max-w-1000 {
  max-width: 1000px;
  margin: 2rem auto;
}

.bg-success-soft {
  background-color: var(--color-success-soft);
}

.bg-surface-alt {
  background-color: var(--color-surface-alt);
}

.border-default {
  border: 1px solid var(--color-border);
}

.list-disc {
  margin: 8px 0 8px 20px;
  list-style: disc;
}

.brand-logo-sm {
  width: 28px;
  height: 28px;
  font-size: 14px;
}

.fs-15 {
  font-size: 0.9375rem;
}

.fs-16 {
  font-size: 1rem;
}

/* ==========================================================================
   8. RESPONSIVE
   ========================================================================== */
@media (max-width: 1200px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .reconcile-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 992px) {
  .sidebar {
    width: var(--sidebar-collapsed);
  }

  .sidebar__brand span,
  .sidebar__btn-new span,
  .nav-section-title,
  .nav-link span,
  .nav-link__badge,
  .nav-link__caret,
  .sidebar__collapse-btn span,
  .nav-submenu {
    display: none !important;
  }

  .sidebar__header {
    justify-content: center;
    padding: 0;
  }

  .nav-link {
    justify-content: center;
    padding: var(--space-3) 0;
  }

  .main {
    margin-left: var(--sidebar-collapsed);
  }

  .create-menu {
    width: 95vw;
  }

  .create-menu__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .topbar {
    padding: 0 var(--space-4);
  }

  .topbar__search {
    display: none;
  }

  .topbar__user-info {
    display: none;
  }

  .content {
    padding: var(--space-4);
  }

  .page-header {
    flex-direction: column;
    align-items: stretch;
  }

  .page-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .doc-header {
    flex-direction: column;
  }

  .amount-box {
    width: 100%;
    text-align: left;
  }

  .totals-box {
    width: 100%;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .create-menu__grid {
    grid-template-columns: 1fr;
  }

  .hide-mobile {
    display: none !important;
  }
}

@media (max-width: 576px) {
  .sidebar {
    display: none;
  }

  .main {
    margin-left: 0;
  }

  .summary-strip {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   9. PRINT STYLES
   ========================================================================== */
@media print {
  body {
    background-color: var(--color-surface);
    color: var(--color-text);
  }

  .sidebar,
  .topbar,
  .page-actions,
  .table-toolbar,
  .pagination,
  .sticky-actions,
  .toast-container,
  .modal,
  .drawer,
  .create-menu,
  .no-print {
    display: none !important;
  }

  .main {
    margin-left: 0 !important;
  }

  .content {
    padding: 0 !important;
    max-width: 100% !important;
  }

  .card,
  .table-wrap,
  .doc-header {
    box-shadow: none !important;
    border: 1px solid var(--color-border-strong) !important;
  }
}