/* =====================================================================
   GCAP Admin — Design System
   Brand palette: Indigo #4F46E5 · Navy #020C3A · Lavender #DFD8F7
   ===================================================================== */

/* -- Design Tokens --------------------------------------------------- */
:root {
  --gcap-primary:       #4F46E5;
  --gcap-primary-dark:  #3C0F87;
  --gcap-primary-600:   #4338ca;
  --gcap-navy:          #020C3A;
  --gcap-lavender:      #DFD8F7;
  --gcap-indigo-50:     #eef2ff;
  --gcap-indigo-100:    #e0e7ff;

  --gcap-surface:       #F6F8FA;
  --gcap-card:          #FFFFFF;
  --gcap-border:        #E5E7EB;
  --gcap-text:          #111827;
  --gcap-text-muted:    #6B7280;

  --gcap-success-bg:    #f0fdf4;
  --gcap-success-border:#bbf7d0;
  --gcap-success-text:  #15803d;
  --gcap-danger-bg:     #fef2f2;
  --gcap-danger-border: #fecaca;
  --gcap-danger-text:   #b91c1c;

  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.07), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.09);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.13);
}

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

html {
  font-size: 14px;
  scroll-behavior: smooth;
}

@media (min-width: 768px) {
  html { font-size: 16px; }
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  background: var(--gcap-surface);
  color: var(--gcap-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

/* -- Navbar ---------------------------------------------------------- */
.navbar-gcap {
  background: linear-gradient(135deg, var(--gcap-navy) 0%, var(--gcap-primary-dark) 100%);
  box-shadow: var(--shadow-md);
}

.navbar-inner {
  min-height: 62px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.navbar-brand {
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.navbar-brand:hover {
  color: var(--gcap-lavender);
}

.nav-items {
  display: flex;
  gap: 0.2rem;
  align-items: center;
  flex-wrap: wrap;
}

.nav-link {
  color: rgba(255,255,255,0.72);
  text-decoration: none;
  padding: 1.1rem 0.9rem;
  border-bottom: 3px solid transparent;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.15s;
  white-space: nowrap;
}

.nav-link:hover {
  color: #fff;
  border-bottom-color: var(--gcap-lavender);
}

.nav-auth-badge {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.85);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.3rem 0.85rem;
  border-radius: 20px;
}

.nav-signout-link {
  color: rgba(255,255,255,0.55) !important;
  font-size: 0.8rem !important;
  padding: 0.5rem 0.5rem !important;
  border-bottom: none !important;
  transition: color 0.15s;
}

.nav-signout-link:hover {
  color: rgba(255,255,255,0.85) !important;
  text-decoration: underline;
  border-bottom: none !important;
}

/* -- Page Layout ----------------------------------------------------- */
.page-wrapper {
  padding: 2rem 0 3rem;
  flex: 1;
}

/* -- Footer ---------------------------------------------------------- */
.footer-gcap {
  background: var(--gcap-navy);
  padding: 1rem 0;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
}

.footer-gcap a {
  color: var(--gcap-lavender);
  text-decoration: none;
}

.footer-gcap a:hover {
  text-decoration: underline;
}

/* -- Page Headers ---------------------------------------------------- */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.page-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gcap-navy);
  margin: 0;
  letter-spacing: -0.02em;
}

/* -- Cards ----------------------------------------------------------- */
.card-gcap {
  background: var(--gcap-card);
  border: 1px solid var(--gcap-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.75rem;
}

.card-gcap-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gcap-primary);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--gcap-border);
}

/* -- Buttons --------------------------------------------------------- */
.btn-gcap-primary {
  display: inline-block;
  background: var(--gcap-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  font-family: inherit;
  padding: 0.55rem 1.35rem;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  line-height: 1.5;
  box-shadow: 0 2px 8px rgba(79,70,229,0.28);
  transition: background 0.15s, box-shadow 0.15s, transform 0.1s;
}

.btn-gcap-primary:hover {
  background: var(--gcap-primary-600);
  color: #fff;
  box-shadow: 0 4px 16px rgba(79,70,229,0.38);
  transform: translateY(-1px);
  text-decoration: none;
}

.btn-gcap-primary:active {
  transform: translateY(0);
}

.btn-gcap-secondary {
  display: inline-block;
  background: var(--gcap-lavender);
  color: var(--gcap-primary);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  font-family: inherit;
  padding: 0.55rem 1.35rem;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  line-height: 1.5;
  transition: background 0.15s, color 0.15s;
}

.btn-gcap-secondary:hover {
  background: #c9c0f0;
  color: var(--gcap-primary-dark);
  text-decoration: none;
}

.full-width { width: 100%; }

/* -- Form Controls --------------------------------------------------- */
label {
  font-size: 0.8125rem;
  font-weight: 600;
  display: block;
  margin-bottom: 0.375rem;
  color: var(--gcap-text);
}

input, select, textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1.5px solid var(--gcap-border);
  border-radius: var(--radius-md);
  font: inherit;
  font-size: 0.9rem;
  color: var(--gcap-text);
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--gcap-primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,0.12);
  outline: none;
}

.form-text {
  font-size: 0.78rem;
  color: var(--gcap-text-muted);
  margin-top: 0.3rem;
  display: block;
}

/* -- Filter Bar ------------------------------------------------------ */
.filter-bar {
  background: var(--gcap-card);
  border: 1px solid var(--gcap-border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.form-grid {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1fr;
  gap: 0.5rem;
  align-items: end;
}

/* -- Tables ---------------------------------------------------------- */
.table-wrapper {
  background: var(--gcap-card);
  border: 1px solid var(--gcap-border);
  border-radius: var(--radius-lg);
  overflow: auto;
  box-shadow: var(--shadow-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

thead th {
  background: var(--gcap-navy);
  color: rgba(255,255,255,0.82);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-align: left;
  padding: 0.9rem 1rem;
  white-space: nowrap;
}

tbody tr {
  border-bottom: 1px solid var(--gcap-border);
  transition: background 0.1s;
}

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

tbody tr:hover {
  background: var(--gcap-indigo-50);
}

tbody td {
  padding: 0.75rem 1rem;
  vertical-align: middle;
}

tbody td:first-child {
  font-weight: 600;
}

/* -- Alerts ---------------------------------------------------------- */
.alert-gcap-success {
  background: var(--gcap-success-bg);
  border: 1px solid var(--gcap-success-border);
  color: var(--gcap-success-text);
  border-radius: var(--radius-md);
  padding: 0.875rem 1rem;
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.alert-gcap-danger {
  background: var(--gcap-danger-bg);
  border: 1px solid var(--gcap-danger-border);
  color: var(--gcap-danger-text);
  border-radius: var(--radius-md);
  padding: 0.875rem 1rem;
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
}

/* -- Home Hero ------------------------------------------------------- */
.home-hero {
  background: linear-gradient(135deg, var(--gcap-navy) 0%, var(--gcap-primary-dark) 100%);
  border-radius: var(--radius-lg);
  color: #fff;
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
  margin-bottom: 2rem;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 0.5rem;
}

.hero-sub {
  font-size: 1rem;
  color: var(--gcap-lavender);
  margin-bottom: 0;
  opacity: 0.9;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

/* -- Auth Pages ------------------------------------------------------ */
.auth-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, var(--gcap-navy) 0%, var(--gcap-primary-dark) 55%, var(--gcap-primary) 100%);
  padding: 2rem 1rem;
}

.auth-card {
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.28);
  padding: 2.5rem 2.25rem;
  width: 100%;
  max-width: 420px;
}

.auth-logo {
  text-align: center;
  margin-bottom: 1.75rem;
}

.brand-name {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--gcap-primary);
  letter-spacing: -0.04em;
  line-height: 1;
}

.brand-sub {
  font-size: 0.78rem;
  color: var(--gcap-text-muted);
  margin-top: 0.35rem;
}

.auth-card h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gcap-navy);
  margin-bottom: 1.5rem;
  text-align: center;
}

.form-row {
  margin-bottom: 1rem;
}

/* -- Error Pages ----------------------------------------------------- */
.error-page {
  text-align: center;
  padding: 4rem 1rem;
}

.error-code {
  font-size: 5rem;
  font-weight: 800;
  color: var(--gcap-primary);
  letter-spacing: -0.05em;
  line-height: 1;
}

.error-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gcap-navy);
  margin-top: 0.5rem;
}

.error-desc {
  color: var(--gcap-text-muted);
  margin: 0.75rem auto 1.5rem;
  max-width: 360px;
}

/* -- Utilities ------------------------------------------------------- */
.text-muted-sm {
  font-size: 0.8125rem;
  color: var(--gcap-text-muted);
}

/* -- Responsive ------------------------------------------------------ */
@media (max-width: 900px) {
  .form-grid { grid-template-columns: 1fr; }
  .nav-items { gap: 0; }
}