/* Art direction: Personal patrimoine vault → serious, professional, trustworthy
   Palette: Cool — deep navy (#0A2540) primary dark, professional blue (#1A73E8) accent, warm off-white (#F8F7F4) bg
   Typography: DM Serif Display (headings — gravitas) + DM Sans (body — clean, modern)
   Density: Balanced — dashboard for overview, spacious for forms */

/* ============================================================
   DESIGN TOKENS
   ============================================================ */

:root, [data-theme="light"] {
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;

  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);

  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Surfaces */
  --color-bg:              #F8F7F4;
  --color-surface:         #FFFFFF;
  --color-surface-2:       #F0EFEC;
  --color-surface-offset:  #E8E6E1;
  --color-surface-offset-2:#DDD9D3;
  --color-surface-dynamic: #D0CCC6;
  --color-divider:         #D4D1CA;
  --color-border:          #C8C4BC;

  /* Text */
  --color-text:           #0A2540;
  --color-text-muted:     #546B84;
  --color-text-faint:     #98A8B8;
  --color-text-inverse:   #FFFFFF;

  /* Primary — Professional Blue */
  --color-primary:         #1A73E8;
  --color-primary-hover:   #1557B0;
  --color-primary-active:  #0D3B76;
  --color-primary-highlight: #E8F0FE;

  /* Success */
  --color-success:         #1E8E3E;
  --color-success-hover:   #137333;
  --color-success-active:  #0D5626;
  --color-success-highlight: #E6F4EA;

  /* Error / Danger */
  --color-error:           #D93025;
  --color-error-hover:     #B3261E;
  --color-error-active:    #8C1D18;
  --color-error-highlight: #FCE8E6;

  /* Warning */
  --color-warning:         #E37400;
  --color-warning-hover:   #B85C00;
  --color-warning-active:  #8A4500;
  --color-warning-highlight: #FEF3E0;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 300ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px rgba(10,37,64,0.06);
  --shadow-md: 0 4px 12px rgba(10,37,64,0.08);
  --shadow-lg: 0 12px 32px rgba(10,37,64,0.12);

  --sidebar-width: 270px;
  --sidebar-collapsed: 0px;
  --header-height: 60px;
}

/* ============================================================
   DARK MODE
   ============================================================ */

[data-theme="dark"] {
  --color-bg:              #0A1628;
  --color-surface:         #0F1D32;
  --color-surface-2:       #142640;
  --color-surface-offset:  #1A2E4A;
  --color-surface-offset-2:#203656;
  --color-surface-dynamic: #2A4166;
  --color-divider:         #1E3350;
  --color-border:          #2A4166;

  --color-text:            #E0E6ED;
  --color-text-muted:      #8FA3B8;
  --color-text-faint:      #5A7088;
  --color-text-inverse:    #0A2540;

  --color-primary:         #5C9CF5;
  --color-primary-hover:   #4A8AE5;
  --color-primary-active:  #3A78D0;
  --color-primary-highlight: #1A2E4A;

  --color-success:         #5BB974;
  --color-success-hover:   #47A660;
  --color-success-active:  #34904D;
  --color-success-highlight: #142A1A;

  --color-error:           #F28B82;
  --color-error-hover:     #E06B62;
  --color-error-active:    #CC4B42;
  --color-error-highlight: #2A1614;

  --color-warning:         #FDB44B;
  --color-warning-hover:   #E89F35;
  --color-warning-active:  #D08A20;
  --color-warning-highlight: #2A2014;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0A1628;
    --color-surface: #0F1D32;
    --color-surface-2: #142640;
    --color-surface-offset: #1A2E4A;
    --color-surface-offset-2: #203656;
    --color-surface-dynamic: #2A4166;
    --color-divider: #1E3350;
    --color-border: #2A4166;
    --color-text: #E0E6ED;
    --color-text-muted: #8FA3B8;
    --color-text-faint: #5A7088;
    --color-text-inverse: #0A2540;
    --color-primary: #5C9CF5;
    --color-primary-hover: #4A8AE5;
    --color-primary-active: #3A78D0;
    --color-primary-highlight: #1A2E4A;
    --color-success: #5BB974;
    --color-success-hover: #47A660;
    --color-success-active: #34904D;
    --color-success-highlight: #142A1A;
    --color-error: #F28B82;
    --color-error-hover: #E06B62;
    --color-error-active: #CC4B42;
    --color-error-highlight: #2A1614;
    --color-warning: #FDB44B;
    --color-warning-hover: #E89F35;
    --color-warning-active: #D08A20;
    --color-warning-highlight: #2A2014;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.5);
  }
}

/* ============================================================
   BASE RESET
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  height: 100%;
  overflow: hidden;
}

body {
  height: 100%;
  overflow: hidden;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: 1fr;
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role="list"], ol[role="list"] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.15; }
p, li, figcaption { text-wrap: pretty; max-width: 72ch; }
button { cursor: pointer; background: none; border: none; }
table { border-collapse: collapse; width: 100%; }

::selection {
  background: rgba(26, 115, 232, 0.2);
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

a, button, [role="button"], [role="link"], input, textarea, select {
  transition: color var(--transition-interactive),
              background var(--transition-interactive),
              border-color var(--transition-interactive),
              box-shadow var(--transition-interactive);
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border-width: 0;
}

/* ============================================================
   SIDEBAR
   ============================================================ */

.sidebar {
  grid-row: 1 / -1;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border-right: 1px solid var(--color-divider);
  height: 100dvh;
  overflow-y: auto;
  overscroll-behavior: contain;
  z-index: 100;
  transition: transform var(--transition-slow);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-5);
  border-bottom: 1px solid var(--color-divider);
  min-height: var(--header-height);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
}

.logo svg { flex-shrink: 0; }

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  white-space: nowrap;
}

.sidebar-close { display: none; color: var(--color-text-muted); }

.sidebar-nav {
  flex: 1;
  padding: var(--space-3) var(--space-3);
  overflow-y: auto;
}

.nav-section {
  margin-bottom: var(--space-1);
}

.nav-section-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  margin-top: var(--space-2);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
  cursor: pointer;
  border-radius: var(--radius-sm);
  user-select: none;
}

.nav-section-label:hover {
  color: var(--color-text-muted);
}

.nav-section-label .chevron {
  margin-left: auto;
  transition: transform var(--transition-interactive);
}

.nav-section.collapsed .chevron {
  transform: rotate(-90deg);
}

.nav-section.collapsed .nav-items {
  display: none;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-2) var(--space-3) var(--space-2) var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-interactive);
  text-align: left;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-item:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

.nav-item.active {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  font-weight: 500;
}

.nav-item i, .nav-item svg { flex-shrink: 0; width: 18px; height: 18px; }
.nav-item span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Top-level nav items (no parent section) */
.nav-item.top-level {
  padding-left: var(--space-3);
  font-weight: 500;
}

.sidebar-footer {
  padding: var(--space-3);
  border-top: 1px solid var(--color-divider);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sidebar-btn {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.sidebar-btn:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

/* ============================================================
   MAIN WRAPPER
   ============================================================ */

.main-wrapper {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  overflow: hidden;
}

/* ============================================================
   HEADER
   ============================================================ */

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  height: var(--header-height);
  min-height: var(--header-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
  gap: var(--space-4);
  z-index: 10;
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.hamburger {
  display: none;
  color: var(--color-text);
  padding: var(--space-2);
}

.header-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  white-space: nowrap;
}

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

.global-search {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: border-color var(--transition-interactive);
  min-width: 200px;
}

.global-search:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}

.global-search input {
  border: none;
  background: transparent;
  font-size: var(--text-sm);
  outline: none;
  width: 100%;
  color: var(--color-text);
}

.global-search input::placeholder { color: var(--color-text-faint); }

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  cursor: pointer;
}

.theme-toggle:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */

.main-content {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: var(--space-6);
}

/* ============================================================
   DASHBOARD
   ============================================================ */

.dashboard-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-interactive);
}

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

.kpi-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
  font-weight: 500;
}

.kpi-value {
  font-size: var(--text-xl);
  font-weight: 700;
  font-variant-numeric: tabular-nums lining-nums;
  line-height: 1.2;
}

.kpi-value.positive { color: var(--color-success); }
.kpi-value.negative { color: var(--color-error); }

.kpi-sublabel {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-1);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.dashboard-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.dashboard-card-title {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.chart-container {
  position: relative;
  width: 100%;
  max-height: 280px;
}

.quick-links {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-3);
}

.quick-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-interactive);
  border: 1px solid transparent;
}

.quick-link:hover {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.quick-link i, .quick-link svg { width: 18px; height: 18px; flex-shrink: 0; }

.recent-list {
  list-style: none;
}

.recent-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
  font-size: var(--text-sm);
}

.recent-item:last-child { border-bottom: none; }

.recent-item-label { color: var(--color-text); }
.recent-item-type { color: var(--color-text-faint); font-size: var(--text-xs); }

/* ============================================================
   SECTION PAGES
   ============================================================ */

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
}

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

.section-search {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.section-search input {
  border: none;
  background: transparent;
  outline: none;
  font-size: var(--text-sm);
  color: var(--color-text);
  width: 160px;
}

.section-search input::placeholder { color: var(--color-text-faint); }

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all var(--transition-interactive);
  white-space: nowrap;
  line-height: 1.5;
}

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

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover { background: var(--color-surface-2); }

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  padding: var(--space-1) var(--space-3);
}
.btn-ghost:hover { background: var(--color-primary-highlight); }

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

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  cursor: pointer;
}
.btn-icon:hover { background: var(--color-surface-2); color: var(--color-text); }
.btn-icon.danger:hover { background: var(--color-error-highlight); color: var(--color-error); }

/* ============================================================
   DATA TABLE
   ============================================================ */

.data-table-wrapper {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.data-table {
  width: 100%;
  font-size: var(--text-sm);
}

.data-table thead {
  position: sticky;
  top: 0;
  z-index: 1;
}

.data-table th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-weight: 600;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-divider);
  white-space: nowrap;
}

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

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

.data-table tbody tr:hover {
  background: var(--color-surface-2);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-table .actions {
  display: flex;
  gap: var(--space-1);
  justify-content: flex-end;
}

.data-table .amount {
  font-variant-numeric: tabular-nums lining-nums;
  font-weight: 500;
  white-space: nowrap;
}

.data-table .amount.positive { color: var(--color-success); }
.data-table .amount.negative { color: var(--color-error); }

.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
  color: var(--color-text-muted);
}

.empty-state i, .empty-state svg {
  margin: 0 auto var(--space-4);
  color: var(--color-text-faint);
}

.empty-state p {
  font-size: var(--text-sm);
  max-width: none;
}

/* ============================================================
   MODAL
   ============================================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 37, 64, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
  padding: var(--space-4);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 560px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  transform: translateY(16px) scale(0.98);
  transition: transform var(--transition-slow);
}

.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}

.confirm-modal { max-width: 420px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-divider);
}

.modal-title {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
}

.modal-close {
  color: var(--color-text-muted);
  padding: var(--space-1);
  border-radius: var(--radius-sm);
}
.modal-close:hover { background: var(--color-surface-2); color: var(--color-text); }

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

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-divider);
}

/* ============================================================
   FORMS
   ============================================================ */

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

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

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-1);
  color: var(--color-text);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
  line-height: 1.5;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}

.form-input::placeholder, .form-textarea::placeholder { color: var(--color-text-faint); }

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23546B84' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: var(--space-8);
}

.form-textarea {
  resize: vertical;
  min-height: 72px;
}

/* ============================================================
   BADGES
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
}

.badge-primary { background: var(--color-primary-highlight); color: var(--color-primary); }
.badge-success { background: var(--color-success-highlight); color: var(--color-success); }
.badge-error { background: var(--color-error-highlight); color: var(--color-error); }
.badge-warning { background: var(--color-warning-highlight); color: var(--color-warning); }
.badge-neutral { background: var(--color-surface-2); color: var(--color-text-muted); }

/* ============================================================
   TOAST
   ============================================================ */

.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.toast {
  background: var(--color-text);
  color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  box-shadow: var(--shadow-lg);
  animation: toastIn 300ms cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.toast.leaving {
  animation: toastOut 200ms ease-in forwards;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(8px); }
}

/* ============================================================
   SIDEBAR OVERLAY (mobile)
   ============================================================ */

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 37, 64, 0.4);
  z-index: 99;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.sidebar-overlay.active {
  opacity: 1;
}

/* ============================================================
   FOOTER
   ============================================================ */

.app-footer {
  position: fixed;
  bottom: 0;
  right: 0;
  padding: var(--space-1) var(--space-4);
  font-size: 11px;
  z-index: 5;
  opacity: 0.5;
}

.app-footer a {
  color: var(--color-text-faint);
  text-decoration: none;
}
.app-footer a:hover { color: var(--color-text-muted); text-decoration: underline; }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
  .dashboard-kpis {
    grid-template-columns: 1fr;
  }
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  body {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 280px;
    transform: translateX(-100%);
    z-index: 100;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-close { display: flex; }
  .sidebar-overlay { display: block; }
  .sidebar-overlay.active { display: block; }

  .hamburger { display: flex; }

  .header-title { font-size: var(--text-lg); }

  .global-search { min-width: 120px; }
  .global-search input { width: 80px; }

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

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

  .data-table-wrapper { overflow-x: auto; }

  .dashboard-kpis { grid-template-columns: 1fr; }
}

/* ============================================================
   SCROLLBAR
   ============================================================ */

.main-content::-webkit-scrollbar,
.sidebar::-webkit-scrollbar,
.modal-body::-webkit-scrollbar {
  width: 6px;
}

.main-content::-webkit-scrollbar-track,
.sidebar::-webkit-scrollbar-track,
.modal-body::-webkit-scrollbar-track {
  background: transparent;
}

.main-content::-webkit-scrollbar-thumb,
.sidebar::-webkit-scrollbar-thumb,
.modal-body::-webkit-scrollbar-thumb {
  background: var(--color-surface-dynamic);
  border-radius: 3px;
}

.main-content::-webkit-scrollbar-thumb:hover,
.sidebar::-webkit-scrollbar-thumb:hover,
.modal-body::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-faint);
}

/* ============================================================
   UTILITY
   ============================================================ */

.text-muted { color: var(--color-text-muted); }
.text-faint { color: var(--color-text-faint); }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.font-mono { font-family: 'SF Mono', Consolas, monospace; font-size: 0.9em; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tabular { font-variant-numeric: tabular-nums lining-nums; }

/* ============================================================
   FILE ATTACHMENTS
   ============================================================ */

.attachments-section {
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-4);
  margin-top: var(--space-2);
}

.attachments-title {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
}

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

.file-dropzone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-4);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition-interactive), background var(--transition-interactive);
  margin-bottom: var(--space-3);
}

.file-dropzone:hover,
.file-dropzone.dragover {
  border-color: var(--color-primary);
  background: var(--color-primary-highlight);
}

.file-dropzone-icon {
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
}

.file-dropzone-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.file-dropzone-text strong {
  color: var(--color-primary);
  cursor: pointer;
}

.file-dropzone-hint {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-1);
}

.file-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.file-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-divider);
  transition: background var(--transition-interactive);
}

.file-item:hover {
  background: var(--color-surface-offset);
}

.file-thumb {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--color-surface-offset);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.file-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.file-thumb svg { color: var(--color-text-faint); }

.file-info {
  flex: 1;
  min-width: 0;
}

.file-name {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-meta {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.file-actions {
  display: flex;
  gap: var(--space-1);
  flex-shrink: 0;
}

/* ============================================================
   MODULE 1 — BADGE IZIMI (Référence coffre-fort numérique Fednot)
   Couleur officielle Fednot : #003d7a (bleu foncé)
   ============================================================ */

/**
 * Badge affiché dans les tableaux d'items lorsqu'un champ
 * "Référence Izimi" est renseigné. Permet d'identifier d'un
 * coup d'œil les éléments dont le document original est
 * archivé dans Izimi (coffre-fort numérique Fednot).
 */
.izimi-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.55rem;
  font-family: var(--font-body);
  font-size: 0.6875rem;     /* 11px */
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #ffffff;
  background-color: #003d7a; /* Bleu Fednot officiel */
  border-radius: var(--radius-full);
  margin-right: 0.35rem;
  vertical-align: middle;
  white-space: nowrap;
  cursor: default;
  transition: background-color var(--transition-interactive);
  /* Petite icône coffre-fort en pseudo-élément */
}

.izimi-badge::before {
  content: "🔒";
  font-size: 0.625rem;
}

.izimi-badge:hover {
  background-color: #005ea8; /* Légèrement plus clair au survol */
}

/* Mode sombre : garder le badge lisible */
[data-theme="dark"] .izimi-badge {
  background-color: #1a6abf;
  color: #ffffff;
}

[data-theme="dark"] .izimi-badge:hover {
  background-color: #2176c7;
}

/* ============================================================
   MODULE 2 & 3 — MENUS DÉROULANTS SIDEBAR
   (Export PDF + Sauvegarde e-mail)
   ============================================================ */

/**
 * Conteneur d'un groupe déroulant dans le pied de barre latérale.
 */
.sidebar-dropdown {
  position: relative;
  width: 100%;
}

/**
 * Menu déroulant des options (PDF synthétique / PDF détaillé, etc.)
 */
.sidebar-dropdown-menu {
  background-color: var(--color-surface-offset);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  animation: fadeIn 100ms ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/**
 * Bouton d'un item dans le menu déroulant.
 */
.sidebar-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) var(--space-4) var(--space-2) var(--space-8);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background-color var(--transition-interactive), color var(--transition-interactive);
}

.sidebar-dropdown-item:hover {
  background-color: var(--color-primary-highlight);
  color: var(--color-primary);
}

[data-theme="dark"] .sidebar-dropdown-menu {
  background-color: var(--color-surface-offset);
}

[data-theme="dark"] .sidebar-dropdown-item:hover {
  background-color: rgba(26, 115, 232, 0.15);
  color: #7AB3F5;
}