/* ============================================================
   EMS Contable — Hoja de Estilos Principal
   ============================================================ */

/* Variables de tema */
:root {
  --bg-base:      #070d1a;
  --bg-surface:   #0d1527;
  --bg-card:      #111c30;
  --bg-card-alt:  #162035;
  --bg-input:     #0f1a2e;
  --border:       rgba(255,255,255,0.07);
  --border-focus: rgba(99,179,237,0.5);

  --blue:         #3b82f6;
  --blue-light:   #60a5fa;
  --blue-dark:    #2563eb;
  --cyan:         #06b6d4;
  --purple:       #8b5cf6;
  --green:        #10b981;
  --amber:        #f59e0b;
  --red:          #ef4444;
  --rose:         #f43f5e;

  --text-1:       #f1f5f9;
  --text-2:       #94a3b8;
  --text-3:       #64748b;

  --shadow-sm:    0 1px 3px rgba(0,0,0,0.4);
  --shadow:       0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg:    0 8px 32px rgba(0,0,0,0.6);

  --radius-sm:    6px;
  --radius:       10px;
  --radius-lg:    16px;
  --radius-xl:    24px;

  --sidebar-w:    240px;
  --sidebar-collapsed-w: 64px;
  --topbar-h:     60px;
  --transition:   0.2s ease;
}

[data-theme="light"] {
  --bg-base:      #f0f4f8;
  --bg-surface:   #e8edf5;
  --bg-card:      #ffffff;
  --bg-card-alt:  #f8fafc;
  --bg-input:     #f1f5f9;
  --border:       rgba(0,0,0,0.08);
  --border-focus: rgba(59,130,246,0.5);
  --text-1:       #0f172a;
  --text-2:       #475569;
  --text-3:       #94a3b8;
  --shadow-sm:    0 1px 3px rgba(0,0,0,0.08);
  --shadow:       0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg:    0 8px 32px rgba(0,0,0,0.15);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  background: var(--bg-base);
  color: var(--text-1);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { color: var(--blue-light); text-decoration: none; }
a:hover { color: var(--blue); }
img { max-width: 100%; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

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

.main-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  transition: margin-left var(--transition);
}

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

/* ─── Sidebar ─────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: width var(--transition);
  overflow: hidden;
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed-w);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 14px;
  border-bottom: 1px solid var(--border);
  min-height: var(--topbar-h);
  flex-shrink: 0;
}

.brand-icon svg {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  white-space: nowrap;
  transition: opacity var(--transition), width var(--transition);
}

.brand-name {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--blue-light), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-sub {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-3);
  font-weight: 600;
}

.sidebar-toggle {
  margin-left: auto;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  flex-shrink: 0;
  transition: all var(--transition);
}
.sidebar-toggle:hover { background: var(--bg-card-alt); color: var(--text-1); }
.sidebar-toggle svg { transition: transform var(--transition); }
.sidebar.collapsed .sidebar-toggle svg { transform: rotate(180deg); }

.sidebar.collapsed .brand-text { opacity: 0; pointer-events: none; }
.sidebar.collapsed .sidebar-toggle { opacity: 1; pointer-events: all; }

.sidebar-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 12px 10px;
  scrollbar-width: thin;
  scrollbar-color: var(--bg-card-alt) transparent;
}

.nav-section { margin-bottom: 8px; }

.nav-section-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-3);
  padding: 8px 8px 4px;
  white-space: nowrap;
  overflow: hidden;
  transition: opacity var(--transition);
}
.sidebar.collapsed .nav-section-label { opacity: 0; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius);
  color: var(--text-2);
  font-weight: 500;
  font-size: 13.5px;
  transition: all var(--transition);
  position: relative;
  white-space: nowrap;
  margin-bottom: 2px;
}

.nav-link:hover {
  background: var(--bg-card);
  color: var(--text-1);
}

.nav-link.nav-active {
  background: linear-gradient(135deg, rgba(59,130,246,0.18), rgba(139,92,246,0.12));
  color: var(--blue-light);
  border: 1px solid rgba(59,130,246,0.2);
}

.nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-icon svg { width: 18px; height: 18px; }

.nav-label {
  overflow: hidden;
  transition: opacity var(--transition), width var(--transition), max-width var(--transition);
  max-width: 200px;
}
.sidebar.collapsed .nav-label { opacity: 0; max-width: 0; }

.nav-badge {
  margin-left: auto;
  background: var(--red);
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 20px;
  transition: opacity var(--transition);
}
.sidebar.collapsed .nav-badge { opacity: 0; }

.sidebar-footer {
  padding: 12px 14px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.user-avatar, .topbar-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.user-details {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  transition: opacity var(--transition);
}
.sidebar.collapsed .user-details { opacity: 0; }

.user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: 11px;
  color: var(--text-3);
  text-transform: capitalize;
}

.logout-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  flex-shrink: 0;
  transition: all var(--transition);
}
.logout-btn:hover { background: rgba(239,68,68,0.15); color: var(--red); }

/* ─── Topbar ─────────────────────────────────────────────── */
.topbar {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  flex-shrink: 0;
}

.topbar-left { display: flex; align-items: center; gap: 14px; }
.topbar-right { display: flex; align-items: center; gap: 10px; }

.mobile-menu-btn {
  display: none;
  padding: 6px;
  border-radius: var(--radius-sm);
  color: var(--text-2);
}
.mobile-menu-btn:hover { background: var(--bg-card-alt); color: var(--text-1); }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
}

.breadcrumb-app { color: var(--text-3); font-weight: 500; }
.breadcrumb-sep { color: var(--text-3); }
.breadcrumb-link { color: var(--text-2); font-weight: 500; }
.breadcrumb-link:hover { color: var(--blue-light); }
.breadcrumb-current { color: var(--text-1); font-weight: 600; }

.indicator-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 12px;
  cursor: default;
  transition: all var(--transition);
}

.indicator-pill:hover { border-color: rgba(59,130,246,0.3); }

.indicator-label {
  color: var(--text-3);
  font-weight: 700;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.indicator-value {
  color: var(--cyan);
  font-weight: 700;
  font-size: 12px;
}

.theme-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-2);
  transition: all var(--transition);
}
.theme-btn:hover { border-color: var(--blue); color: var(--blue-light); }
.icon-light { display: none; }
[data-theme="light"] .icon-dark { display: none; }
[data-theme="light"] .icon-light { display: block; }

.topbar-clock {
  font-size: 12px;
  color: var(--text-3);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 4px;
  border-radius: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.topbar-username {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-1);
}

/* ─── Page Content ────────────────────────────────────────── */
.page-content {
  flex: 1;
  padding: 24px;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.page-footer {
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-3);
  border-top: 1px solid var(--border);
}

/* ─── Page Header ─────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
}

.page-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-1);
  letter-spacing: -0.5px;
}

.page-subtitle {
  font-size: 13px;
  color: var(--text-3);
  margin-top: 2px;
}

.page-actions { display: flex; gap: 8px; align-items: center; flex-shrink: 0; }

/* ─── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

.card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-1);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-body { padding: 20px; }

/* ─── Stats Cards ─────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--stat-color, var(--blue));
}

.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); border-color: rgba(255,255,255,0.12); }

.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: var(--stat-bg, rgba(59,130,246,0.12));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon svg { width: 20px; height: 20px; color: var(--stat-color, var(--blue)); }

.stat-body { flex: 1; min-width: 0; }

.stat-value {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-1);
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.stat-label {
  font-size: 12px;
  color: var(--text-3);
  font-weight: 500;
  margin-top: 2px;
}

.stat-trend {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  font-weight: 600;
  margin-top: 6px;
}

.stat-trend.up   { color: var(--green); }
.stat-trend.down { color: var(--red); }
.stat-trend.neutral { color: var(--text-3); }

/* ─── Grid layouts ────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* ─── Module Grid ─────────────────────────────────────────── */
.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
}

.module-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  text-decoration: none;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  color: var(--text-1);
}

.module-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--module-color-a, rgba(59,130,246,0)), var(--module-color-b, rgba(139,92,246,0)));
  opacity: 0;
  transition: opacity var(--transition);
}

.module-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--module-border, rgba(59,130,246,0.3));
}

.module-card:hover::after { opacity: 0.08; }

.module-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--module-icon-bg, rgba(59,130,246,0.15));
}

.module-icon svg { width: 22px; height: 22px; color: var(--module-color-a, var(--blue)); }

.module-label {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.3;
}

.module-desc {
  font-size: 11.5px;
  color: var(--text-3);
}

/* ─── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: var(--radius);
  font-size: 13.5px;
  font-weight: 600;
  font-family: inherit;
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: white;
  border-color: transparent;
  box-shadow: 0 2px 8px rgba(59,130,246,0.3);
}
.btn-primary:hover { background: linear-gradient(135deg, var(--blue-light), var(--blue)); box-shadow: 0 4px 16px rgba(59,130,246,0.4); transform: translateY(-1px); }

.btn-secondary {
  background: var(--bg-card-alt);
  color: var(--text-1);
  border-color: var(--border);
}
.btn-secondary:hover { background: var(--bg-card); border-color: rgba(255,255,255,0.12); }

.btn-success {
  background: linear-gradient(135deg, var(--green), #059669);
  color: white;
  box-shadow: 0 2px 8px rgba(16,185,129,0.3);
}
.btn-success:hover { box-shadow: 0 4px 16px rgba(16,185,129,0.4); transform: translateY(-1px); }

.btn-danger {
  background: linear-gradient(135deg, var(--red), #dc2626);
  color: white;
  box-shadow: 0 2px 8px rgba(239,68,68,0.3);
}
.btn-danger:hover { box-shadow: 0 4px 16px rgba(239,68,68,0.4); transform: translateY(-1px); }

.btn-ghost {
  color: var(--text-2);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--bg-card); color: var(--text-1); }

.btn-sm { padding: 6px 12px; font-size: 12px; border-radius: var(--radius-sm); }
.btn-lg { padding: 12px 24px; font-size: 15px; border-radius: var(--radius-lg); }

.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* ─── Forms ───────────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }

.form-label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 6px;
}

.form-label .required { color: var(--red); margin-left: 2px; }

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-1);
  font-size: 13.5px;
  font-family: inherit;
  transition: all var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}

.form-control::placeholder { color: var(--text-3); }

select.form-control { cursor: pointer; }

.form-hint {
  font-size: 11.5px;
  color: var(--text-3);
  margin-top: 4px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* ─── Tables ──────────────────────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

thead {
  background: var(--bg-card-alt);
  position: sticky;
  top: 0;
  z-index: 1;
}

thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-3);
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--bg-card-alt); }

tbody td {
  padding: 12px 16px;
  color: var(--text-1);
  vertical-align: middle;
}

.td-muted { color: var(--text-3); font-size: 12.5px; }
.td-right { text-align: right; }
.td-center { text-align: center; }
.td-mono { font-variant-numeric: tabular-nums; }

/* ─── Badges / Pills ──────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.badge-blue   { background: rgba(59,130,246,0.15);  color: var(--blue-light); }
.badge-green  { background: rgba(16,185,129,0.15);  color: #34d399; }
.badge-amber  { background: rgba(245,158,11,0.15);  color: #fbbf24; }
.badge-red    { background: rgba(239,68,68,0.15);   color: #f87171; }
.badge-purple { background: rgba(139,92,246,0.15);  color: #a78bfa; }
.badge-gray   { background: rgba(100,116,139,0.15); color: var(--text-2); }
.badge-cyan   { background: rgba(6,182,212,0.15);   color: var(--cyan); }

/* ─── Search / Filters ────────────────────────────────────── */
.table-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.search-input {
  position: relative;
  flex: 1;
  max-width: 340px;
}

.search-input input {
  padding-left: 38px;
}

.search-input .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  width: 15px;
  height: 15px;
  pointer-events: none;
}

/* ─── Pagination ──────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 16px;
  justify-content: center;
  border-top: 1px solid var(--border);
}

.page-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
  background: transparent;
  border: 1px solid transparent;
  transition: all var(--transition);
}
.page-btn:hover { background: var(--bg-card-alt); border-color: var(--border); color: var(--text-1); }
.page-btn.active { background: var(--blue); color: white; border-color: var(--blue); }

/* ─── Modals ──────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.95);
  transition: transform var(--transition);
  box-shadow: var(--shadow-lg);
}

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

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 16px;
  font-weight: 700;
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  background: transparent;
  transition: all var(--transition);
}
.modal-close:hover { background: rgba(239,68,68,0.1); color: var(--red); }

.modal-body { padding: 24px; overflow-y: auto; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* ─── Toast notifications ─────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  padding: 14px 18px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-1);
  pointer-events: all;
  animation: slideIn 0.3s ease;
  min-width: 280px;
  max-width: 420px;
}

.toast.removing { animation: slideOut 0.3s ease forwards; }

@keyframes slideIn  { from { transform: translateX(60px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes slideOut { from { transform: translateX(0); opacity: 1; }   to { transform: translateX(60px); opacity: 0; } }

.toast-icon { width: 20px; height: 20px; flex-shrink: 0; }
.toast.success .toast-icon { color: var(--green); }
.toast.error   .toast-icon { color: var(--red); }
.toast.warning .toast-icon { color: var(--amber); }
.toast.info    .toast-icon { color: var(--blue-light); }

/* ─── Dashboard specific ──────────────────────────────────── */
.chart-container { position: relative; height: 200px; }

.activity-list { display: flex; flex-direction: column; gap: 1px; }

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.activity-item:last-child { border-bottom: none; }

.activity-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
  flex-shrink: 0;
  margin-top: 5px;
}

.activity-text { flex: 1; }
.activity-action { font-weight: 600; font-size: 13.5px; }
.activity-detail { font-size: 12px; color: var(--text-3); }
.activity-time { font-size: 11px; color: var(--text-3); white-space: nowrap; }

/* ─── Empty state ─────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  text-align: center;
  gap: 12px;
}

.empty-icon { width: 48px; height: 48px; color: var(--text-3); opacity: 0.5; }
.empty-title { font-size: 16px; font-weight: 700; color: var(--text-2); }
.empty-subtitle { font-size: 13px; color: var(--text-3); max-width: 300px; }

/* ─── Indicator Cards ─────────────────────────────────────── */
.indicator-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition);
}

.indicator-card:hover { border-color: rgba(6,182,212,0.3); }

.indicator-card-label { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-3); font-weight: 700; }
.indicator-card-value { font-size: 18px; font-weight: 800; color: var(--cyan); margin-top: 2px; font-variant-numeric: tabular-nums; }
.indicator-card-date  { font-size: 10px; color: var(--text-3); margin-top: 2px; }

/* ─── Login page ──────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.login-bg {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 800px 600px at 20% 30%, rgba(59,130,246,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 600px 400px at 80% 70%, rgba(139,92,246,0.1) 0%, transparent 60%),
    var(--bg-base);
  z-index: 0;
}

.login-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  animation: fadeIn 0.4s ease;
}

.login-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 32px;
  gap: 12px;
}

.login-logo svg { width: 48px; height: 48px; }

.login-brand {
  text-align: left;
}

.login-brand-name {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--blue-light), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.login-brand-sub {
  font-size: 12px;
  color: var(--text-3);
  font-weight: 500;
  display: block;
}

.login-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
}

.login-sub {
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 28px;
}

.alert {
  padding: 12px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.alert-error { background: rgba(239,68,68,0.12); border: 1px solid rgba(239,68,68,0.25); color: #f87171; }
.alert-success { background: rgba(16,185,129,0.12); border: 1px solid rgba(16,185,129,0.25); color: #34d399; }
.alert-warning { background: rgba(245,158,11,0.12); border: 1px solid rgba(245,158,11,0.25); color: #fbbf24; }

/* ─── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  :root { --sidebar-w: 210px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-w);
    box-shadow: var(--shadow-lg);
  }
  .sidebar.mobile-open { transform: translateX(0); }
  .main-area { margin-left: 0 !important; }
  .mobile-menu-btn { display: flex; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .indicator-pill .indicator-value { display: none; }
  .topbar-username { display: none; }
  .page-content { padding: 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .module-grid { grid-template-columns: 1fr 1fr; }
  .page-header { flex-direction: column; }
}

/* ─── Scrollbar ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg-card-alt); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ─── Utilities ───────────────────────────────────────────── */
.flex   { display: flex; }
.flex-1 { flex: 1; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2  { gap: 8px; }
.gap-3  { gap: 12px; }
.gap-4  { gap: 16px; }
.mt-1   { margin-top: 4px; }
.mt-2   { margin-top: 8px; }
.mt-4   { margin-top: 16px; }
.mb-4   { margin-bottom: 16px; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.font-mono { font-variant-numeric: tabular-nums; font-family: 'Courier New', monospace; }
.text-sm { font-size: 12px; }
.text-muted { color: var(--text-3); }
.fw-bold { font-weight: 700; }
.w-full { width: 100%; }
.hidden { display: none !important; }
.divider { height: 1px; background: var(--border); margin: 16px 0; }

/* Loading spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Progress bar */
.progress {
  height: 6px;
  background: var(--bg-card-alt);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  transition: width 0.4s ease;
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-alt) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer { to { background-position: -200% 0; } }