/* ISIM Portail — Design System
   Colors: institutional blue + discrete orange + white + light gray
   Font: Inter (Google Fonts)
   Philosophy: simple, clean, serious, academic, professional
*/

/* ── Variables ────────────────────────────────────────────── */
:root {
  --primary:        #1b3a6e;
  --primary-dark:   #142d56;
  --primary-light:  #2a5298;
  --accent:         #b05c00;
  --accent-light:   #e07b20;
  --success:        #1a7a4a;
  --danger:         #b82e2e;
  --warning:        #8a6200;
  --info:           #1b5c8a;

  --text-primary:   #1a1f2e;
  --text-secondary: #4a5568;
  --text-muted:     #718096;
  --text-inverse:   #ffffff;

  --bg-body:        #f4f6f8;
  --bg-white:       #ffffff;
  --bg-sidebar:     #1b3a6e;
  --bg-hover:       #f0f4f8;

  --border:         #dde2e8;
  --border-light:   #edf0f4;

  --radius:         6px;
  --radius-sm:      4px;
  --radius-lg:      8px;

  --shadow-sm:      0 1px 3px rgba(0, 0, 0, .06);
  --shadow-md:      0 2px 8px rgba(0, 0, 0, .08);
  --shadow-lg:      0 4px 16px rgba(0, 0, 0, .10);

  --sidebar-width:  240px;
  --topbar-height:  56px;
  --transition:     150ms ease;
}

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-body);
  margin: 0;
}

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
  margin-top: 0;
}

/* ── Layout ───────────────────────────────────────────────── */
.isim-layout {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ──────────────────────────────────────────────── */
.isim-sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  overflow-y: auto;
}

.isim-sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,.10);
  text-decoration: none;
}

.isim-sidebar-brand-logo {
  width: 34px;
  height: 34px;
  background: var(--accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  letter-spacing: -.5px;
}

.isim-sidebar-brand-text {
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.2;
}

.isim-sidebar-brand-text small {
  display: block;
  font-size: 10px;
  font-weight: 400;
  color: rgba(255,255,255,.55);
  text-transform: uppercase;
  letter-spacing: .5px;
}

.isim-sidebar-section {
  padding: 20px 0 8px;
}

.isim-sidebar-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: rgba(255,255,255,.40);
  padding: 0 20px 6px;
}

.isim-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  color: rgba(255,255,255,.75);
  font-size: 13.5px;
  font-weight: 450;
  transition: color var(--transition), background var(--transition);
  border-left: 3px solid transparent;
  cursor: pointer;
  text-decoration: none;
  user-select: none;
}

.isim-nav-item i {
  font-size: 15px;
  width: 18px;
  flex-shrink: 0;
  opacity: .85;
}

.isim-nav-item:hover {
  color: #fff;
  background: rgba(255,255,255,.07);
  text-decoration: none;
}

.isim-nav-item.active {
  color: #fff;
  background: rgba(255,255,255,.10);
  border-left-color: var(--accent-light);
  font-weight: 500;
}

.isim-sidebar-footer {
  margin-top: auto;
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,.10);
}

.isim-sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.isim-sidebar-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  flex-shrink: 0;
  text-transform: uppercase;
}

.isim-sidebar-user-info {
  flex: 1;
  min-width: 0;
}

.isim-sidebar-user-name {
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.isim-sidebar-user-role {
  font-size: 11px;
  color: rgba(255,255,255,.50);
  text-transform: capitalize;
}

/* ── Main Content ─────────────────────────────────────────── */
.isim-main {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-width: 0;
}

/* ── Topbar ───────────────────────────────────────────────── */
.isim-topbar {
  height: var(--topbar-height);
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.isim-topbar-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
}

.isim-topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Page Content ─────────────────────────────────────────── */
.isim-content {
  padding: 24px;
  flex: 1;
}

.isim-page-header {
  margin-bottom: 20px;
}

.isim-page-header h1,
.isim-page-header h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 2px;
}

.isim-page-header p {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}

.isim-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

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

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

.isim-breadcrumb .sep { opacity: .5; }

/* ── Cards ────────────────────────────────────────────────── */
.isim-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.isim-card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.isim-card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.isim-card-body {
  padding: 20px;
}

.isim-card-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border-light);
  background: #fafbfc;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ── Stat Cards ───────────────────────────────────────────── */
.isim-stat {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.isim-stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.isim-stat-label {
  font-size: 12.5px;
  color: var(--text-muted);
  font-weight: 450;
}

.isim-stat-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.isim-stat-icon.blue   { background: #eef1f8; color: var(--primary); }
.isim-stat-icon.orange { background: #fdf3e7; color: var(--accent); }
.isim-stat-icon.green  { background: #e8f5ee; color: var(--success); }
.isim-stat-icon.red    { background: #fbeaea; color: var(--danger); }
.isim-stat-icon.gray   { background: #f0f2f5; color: var(--text-secondary); }

/* ── Tables ───────────────────────────────────────────────── */
.isim-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.isim-table thead th {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-muted);
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: #fafbfc;
  text-align: left;
  white-space: nowrap;
}

.isim-table tbody td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: middle;
  color: var(--text-primary);
}

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

.isim-table tbody tr:hover td {
  background: var(--bg-hover);
}

/* ── Badges / Status ──────────────────────────────────────── */
.isim-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11.5px;
  font-weight: 500;
  line-height: 1.4;
}

.isim-badge-draft        { background: #f0f2f5; color: var(--text-secondary); }
.isim-badge-submitted    { background: #e8eef8; color: var(--primary); }
.isim-badge-pending      { background: #fff7e0; color: var(--warning); }
.isim-badge-under-review { background: #e0f0ff; color: var(--info); }
.isim-badge-validated    { background: #e8f5ee; color: var(--success); }
.isim-badge-rejected     { background: #fbeaea; color: var(--danger); }
.isim-badge-correction   { background: #fff0e0; color: var(--accent); }

/* ── Buttons ──────────────────────────────────────────────── */
.isim-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: var(--radius);
  font-size: 13.5px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.isim-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.isim-btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.isim-btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  text-decoration: none;
}

.isim-btn-accent {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.isim-btn-accent:hover {
  background: #944f00;
  border-color: #944f00;
  color: #fff;
  text-decoration: none;
}

.isim-btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.isim-btn-outline:hover {
  background: var(--primary);
  color: #fff;
  text-decoration: none;
}

.isim-btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}
.isim-btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  text-decoration: none;
}

.isim-btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}
.isim-btn-danger:hover {
  background: #9c2424;
  border-color: #9c2424;
  color: #fff;
  text-decoration: none;
}

.isim-btn-success {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}
.isim-btn-success:hover {
  background: #156040;
  color: #fff;
  text-decoration: none;
}

.isim-btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

.isim-btn-lg {
  padding: 10px 24px;
  font-size: 15px;
}

/* ── Forms ────────────────────────────────────────────────── */
.isim-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 5px;
}

.isim-label .req { color: var(--danger); margin-left: 2px; }

.isim-input,
.isim-select,
.isim-textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--bg-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  line-height: 1.5;
}

.isim-input:focus,
.isim-select:focus,
.isim-textarea:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(27,58,110,.10);
}

.isim-input::placeholder { color: var(--text-muted); }
.isim-textarea { resize: vertical; min-height: 90px; }

.isim-input.is-error,
.isim-select.is-error { border-color: var(--danger); }

.isim-field-error {
  font-size: 12px;
  color: var(--danger);
  margin-top: 4px;
}

/* ── Upload Zone ──────────────────────────────────────────── */
.isim-upload {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  background: #fafbfc;
}

.isim-upload:hover,
.isim-upload.dragover {
  border-color: var(--primary-light);
  background: #eef1f8;
}

.isim-upload-icon {
  font-size: 28px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.isim-upload-text {
  font-size: 13.5px;
  color: var(--text-secondary);
}

.isim-upload-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── Alerts ───────────────────────────────────────────────── */
.isim-alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 13.5px;
  border-left: 4px solid;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 16px;
}

.isim-alert-info    { background: #e8eef8; border-color: var(--primary); color: var(--primary); }
.isim-alert-success { background: #e8f5ee; border-color: var(--success); color: var(--success); }
.isim-alert-warning { background: #fff7e0; border-color: var(--warning); color: var(--warning); }
.isim-alert-danger  { background: #fbeaea; border-color: var(--danger);  color: var(--danger); }

/* ── Progress Steps ───────────────────────────────────────── */
.isim-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-bottom: 28px;
  position: relative;
}

.isim-steps::before {
  content: '';
  position: absolute;
  top: 16px;
  left: 16px;
  right: 16px;
  height: 1px;
  background: var(--border);
  z-index: 0;
}

.isim-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  position: relative;
  z-index: 1;
}

.isim-step-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--bg-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

.isim-step.done .isim-step-dot {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.isim-step.active .isim-step-dot {
  background: var(--bg-white);
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 0 3px rgba(27,58,110,.12);
}

.isim-step-label {
  font-size: 11.5px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.2;
  max-width: 80px;
}

.isim-step.active .isim-step-label {
  color: var(--primary);
  font-weight: 500;
}

.isim-step.done .isim-step-label {
  color: var(--text-secondary);
}

/* ── Document Preview ─────────────────────────────────────── */
.isim-doc-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-white);
  margin-bottom: 8px;
}

.isim-doc-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: #eef1f8;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 16px;
  flex-shrink: 0;
}

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

.isim-doc-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.isim-doc-meta {
  font-size: 11.5px;
  color: var(--text-muted);
}

/* ── Modals ───────────────────────────────────────────────── */
.modal-content {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.modal-header {
  border-bottom: 1px solid var(--border-light);
  padding: 16px 20px;
}

.modal-footer {
  border-top: 1px solid var(--border-light);
  padding: 14px 20px;
  background: #fafbfc;
}

/* ── Auth Layout ──────────────────────────────────────────── */
.isim-auth-wrap {
  min-height: 100vh;
  background: var(--bg-body);
  display: flex;
  align-items: stretch;
}

.isim-auth-aside {
  width: 420px;
  background: var(--primary);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 48px 40px;
  flex-shrink: 0;
}

.isim-auth-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
}

.isim-auth-box {
  width: 100%;
  max-width: 420px;
}

/* ── Landing Page ─────────────────────────────────────────── */
.isim-navbar {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  padding: 0;
}

.isim-navbar .container {
  display: flex;
  align-items: center;
  height: 60px;
  gap: 24px;
}

.isim-hero {
  background: var(--primary);
  color: #fff;
  padding: 72px 0 64px;
}

.isim-hero-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  color: #fff;
}

.isim-hero-sub {
  font-size: 15px;
  color: rgba(255,255,255,.75);
  max-width: 520px;
  line-height: 1.6;
}

.isim-section {
  padding: 56px 0;
}

.isim-section-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.isim-section-sub {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 36px;
}

.isim-cycle-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.isim-cycle-card:hover {
  box-shadow: var(--shadow-md);
  border-color: #c5cfe0;
}

.isim-cycle-badge {
  display: inline-block;
  padding: 3px 10px;
  background: var(--primary);
  color: #fff;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 10px;
}

/* ── Sidebar Toggle (mobile) ──────────────────────────────── */
.isim-sidebar-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 8px;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 16px;
}

/* ── Utility ──────────────────────────────────────────────── */
.text-primary-isim { color: var(--primary); }
.text-accent       { color: var(--accent); }
.text-muted-isim   { color: var(--text-muted); }

.bg-primary-isim { background: var(--primary); }
.bg-accent       { background: var(--accent); }

.border-top-primary { border-top: 3px solid var(--primary); }
.border-top-accent  { border-top: 3px solid var(--accent); }

.fw-450 { font-weight: 450; }
.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }

/* ── Stats / Dashboard grids ─────────────────────────────── */
.stats-grid { display: grid; }
.dashboard-grid { display: grid; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 991.98px) {
  .isim-sidebar {
    transform: translateX(-100%);
    transition: transform 200ms ease;
  }
  .isim-sidebar.open {
    transform: translateX(0);
  }
  .isim-main {
    margin-left: 0;
  }
  .isim-sidebar-toggle {
    display: flex;
    align-items: center;
  }
  .isim-auth-aside {
    display: none;
  }
  /* Tableaux responsive */
  .isim-table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .isim-table {
    min-width: 600px;
  }
  /* Grilles inline → 1 colonne */
  [style*="grid-template-columns: 2fr 1fr"],
  [style*="grid-template-columns:2fr 1fr"],
  [style*="grid-template-columns: 1fr 280px"],
  [style*="grid-template-columns:1fr 280px"],
  [style*="grid-template-columns: 1fr 340px"],
  [style*="grid-template-columns:1fr 340px"],
  [style*="grid-template-columns: 1fr 1fr"],
  [style*="grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
  .dashboard-grid {
    grid-template-columns: 1fr !important;
  }
  /* Stats grid → 3 colonnes sur tablet */
  .stats-grid {
    grid-template-columns: repeat(3, 1fr) !important;
  }
}

@media (max-width: 767.98px) {
  .isim-topbar {
    padding: 0 14px;
  }
  .isim-topbar-title {
    font-size: 13.5px;
  }
  .isim-content { padding: 14px; }
  .isim-card-body { padding: 14px; }
  .isim-card-header { padding: 12px 14px; }
  /* Boutons en bloc sur mobile */
  .isim-btn-block-mobile {
    width: 100%;
    justify-content: center;
  }
  /* Steps wizard responsive */
  .isim-steps {
    gap: 0;
  }
  .isim-step-label {
    font-size: 10px;
    max-width: 60px;
  }
  /* Stats grid 2 colonnes sur mobile */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  /* Grilles row */
  .row.g-3 > [class*="col-md-"] {
    grid-column: span 12;
  }
}

@media (max-width: 575.98px) {
  .isim-content { padding: 12px; }
  .isim-hero { padding: 48px 0 40px; }
  .isim-hero-title { font-size: 22px; }
  /* Stats grid 1 colonne */
  .stats-grid {
    grid-template-columns: 1fr !important;
  }
  /* Page headers */
  .isim-page-header h2 { font-size: 16px; }
  /* Tables horizontally scrollable */
  .table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -12px;
    padding: 0 12px;
  }
  /* Modales plein écran mobile */
  .modal-dialog {
    margin: 10px;
  }
  /* Verification page */
  .verify-wrap {
    padding: 0 8px 40px;
    margin-top: 16px;
  }
  .verify-header {
    padding: 16px;
  }
  .info-label {
    width: 120px;
  }
}

/* ── Print ────────────────────────────────────────────────── */
@media print {
  .isim-sidebar, .isim-topbar { display: none !important; }
  .isim-main { margin-left: 0 !important; }
  .isim-content { padding: 0 !important; }
}