:root {
  /* Colors - Sophisticated Palette */
  --primary: #e11d48;
  /* MXGP Red - vibrant but deep */
  --primary-hover: #be123c;
  --secondary: #0f172a;
  /* Slate 900 */
  --accent: #3b82f6;
  /* Blue for secondary actions */

  --bg-main: #f8fafc;
  /* Slate 50 */
  --bg-card: #ffffff;
  --bg-sidebar: #0f172a;

  --text-main: #1e293b;
  /* Slate 800 */
  --text-muted: #64748b;
  /* Slate 500 */
  --text-white: #ffffff;

  --border: #e2e8f0;
  /* Slate 200 */
  --border-focus: #cbd5e1;

  /* Status Colors */
  --success: #10b981;
  --success-bg: #ecfdf5;
  --warning: #f59e0b;
  --warning-bg: #fffbeb;
  --danger: #ef4444;
  --danger-bg: #fef2f2;
  --info: #0ea5e9;
  --info-bg: #f0f9ff;

  /* Dimensions */
  --sidebar-width: 280px;
  --header-height: 70px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

/* --- Base Styles --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

button,
input,
select,
textarea {
  font-family: inherit;
}

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

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-sidebar);
  color: var(--text-white);
  position: fixed;
  height: 100vh;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
  box-shadow: 4px 0 10px rgba(0, 0, 0, 0.05);
}

.sidebar-header {
  padding: 2rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 35px;
  height: 35px;
  background: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
}

.sidebar-brand {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  text-transform: uppercase;
}

.sidebar-brand span {
  color: var(--primary);
}

.sidebar-nav {
  flex: 1;
  padding: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-label {
  padding: 1rem 0.75rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #475569;
  letter-spacing: 0.05em;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  color: #94a3b8;
  font-weight: 500;
  font-size: 0.925rem;
}

.nav-item:hover {
  color: var(--text-white);
  background-color: rgba(255, 255, 255, 0.05);
}

.nav-item.active {
  color: var(--text-white);
  background-color: var(--primary);
  box-shadow: 0 4px 12px rgba(225, 29, 72, 0.3);
}

.sidebar-footer {
  padding: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.topbar {
  height: var(--header-height);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 900;
}

.page-content {
  padding: 2rem;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

/* --- Components --- */

/* Cards */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--secondary);
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-card);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.stat-info .stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1;
}

.stat-info .stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  margin-top: 0.25rem;
}

/* Tables */
.table-container {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

th {
  background-color: #f8fafc;
  padding: 1rem 1.5rem;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

td {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-main);
  vertical-align: middle;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background-color: #fcfdfe;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

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

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

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

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

.badge-neutral {
  background: #f1f5f9;
  color: #475569;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
  box-shadow: 0 4px 6px -1px rgba(225, 29, 72, 0.2);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 10px 15px -3px rgba(225, 29, 72, 0.3);
}

.btn-secondary {
  background-color: white;
  border-color: var(--border);
  color: var(--text-main);
}

.btn-secondary:hover {
  background-color: #f8fafc;
  border-color: var(--border-focus);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.75rem;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--secondary);
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background-color: #fff;
  font-size: 0.95rem;
  transition: all 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.1);
}

/* --- Auth Pages --- */
.auth-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  min-height: 100vh;
}

.auth-hero {
  background: linear-gradient(rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.8)),
    url('https://images.unsplash.com/photo-1558981403-c5f9899a28bc?auto=format&fit=crop&q=80');
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem;
  color: white;
}

.auth-content {
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  padding: 2rem;
}

@media (max-width: 1024px) {
  .auth-layout {
    grid-template-columns: 1fr;
  }

  .auth-hero {
    display: none;
  }
}

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

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

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

.notif-item {
  display: flex;
  gap: 1rem;
  padding: 0.75rem;
  border-radius: 12px;
  transition: all 0.2s;
  border: 1px solid transparent;
}

.notif-item.unread {
  background-color: #f8fafc;
  border-color: var(--border);
}

.notif-item:hover {
  background-color: #f1f5f9;
}

/* Documents & Generic Helpers */
.bg-important {
  background: #fff1f2;
  color: #e11d48;
}

.bg-normal {
  background: #f8fafc;
  color: #64748b;
}

.badge-vis-intranet {
  background: #f0f9ff;
  color: #0369a1;
}

.badge-vis-commission {
  background: #fefce8;
  color: #854d0e;
}

.badge-vis-comite {
  background: #fff1f2;
  color: #be123c;
}

.notif-row {
  padding: 1.5rem;
  display: flex;
  gap: 1.25rem;
  align-items: start;
  border-bottom: 1px solid var(--border);
}

.notif-row.unread {
  background-color: #f8fafc;
}

.notif-row:last-child {
  border-bottom: none;
}

.notif-icon-box {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.notif-icon-box.unread {
  background-color: #e0f2fe;
  color: #0369a1;
}

.notif-icon-box.read {
  background-color: #f1f5f9;
  color: #64748b;
}

/* --- Utilities --- */
.flex {
  display: flex;
}

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

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

.gap-2 {
  gap: 0.5rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.text-xs {
  font-size: 0.75rem;
}

.text-sm {
  font-size: 0.875rem;
}

.font-bold {
  font-weight: 700;
}

.w-full {
  width: 100%;
}

/* Budget Specifics */
.budget-status-success {
  color: #10b981;
}

.budget-status-warning {
  color: #f59e0b;
}

.budget-status-danger {
  color: #ef4444;
}

.budget-bg-success {
  background-color: #10b981;
}

.budget-bg-warning {
  background-color: #f59e0b;
}

.budget-bg-danger {
  background-color: #ef4444;
}

.badge-validated {
  background: #ecfdf5;
  color: #065f46;
}

.badge-pending {
  background: #fffbeb;
  color: #92400e;
}

.badge-draft {
  background: #f1f5f9;
  color: #475569;
}