@import url('https://fonts.googleapis.com/css2?family=Inter+Tight:wght@400;500;600;700&family=Inter:wght@400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&family=Geist+Mono:wght@400;500;600&display=swap');

:root {
  --bg-main: #070708;
  --bg-surface: #101013;
  --bg-card: #151518;
  --bg-elev: #1d1d22;
  --border-color: rgba(244, 244, 240, 0.07);
  --border-color-soft: rgba(244, 244, 240, 0.03);
  
  --text-primary: #F4F4F0;
  --text-secondary: #C9C9C2;
  --text-muted: #727278;
  
  --lime: #D4FF3D;
  --lime-deep: #9CCB1F;
  --lime-glow: rgba(212, 255, 61, 0.15);
  
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter Tight', 'Inter', sans-serif;
  --font-mono: 'Geist Mono', monospace;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
}

/* Page Layout Wrappers */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

/* Top Horizontal Navigation Header */
header {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

header .logo-block {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 0;
}

header .logo {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  font-family: var(--font-heading);
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

header .tagline {
  font-size: 10px;
  color: var(--lime);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 700;
  margin-top: 0;
}

header nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

header nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 8px;
  transition: all 0.2s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: var(--font-heading);
  display: inline-flex;
  align-items: center;
}

header nav a:hover {
  color: var(--text-primary);
  background: var(--border-color-soft);
}

header nav a.active {
  color: var(--bg-main) !important;
  background-color: var(--lime) !important;
  font-weight: 800;
  box-shadow: 0 4px 14px var(--lime-glow);
}

header nav .btn-logout {
  background: rgba(239, 68, 68, 0.1) !important;
  border: 1px solid rgba(239, 68, 68, 0.25) !important;
  color: #f87171 !important;
  margin-left: 8px;
}

header nav .btn-logout:hover {
  background: #ef4444 !important;
  color: #fff !important;
  border-color: #ef4444 !important;
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.3);
}

@media (max-width: 900px) {
  header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 20px;
  }
  header nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
    gap: 6px;
  }
  header nav a {
    white-space: nowrap;
    padding: 6px 12px;
    font-size: 12px;
  }
}

/* Sidebar Navigation Header (Legacy/Optional) */
.sidebar-header {
  width: 280px;
  flex-shrink: 0;
  background-color: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo-block {
  margin-bottom: 28px;
}

.logo-block .logo {
  font-size: 22px;
  font-weight: 900;
  color: #fff;
  font-family: var(--font-heading);
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-block .tagline {
  font-size: 9px;
  color: var(--lime);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 700;
}

.mobile-menu-toggle {
  display: none;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.nav-menu a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 700;
  padding: 12px 18px;
  border-radius: 10px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: var(--font-heading);
}

.nav-menu a:hover {
  color: var(--text-primary);
  background: var(--border-color-soft);
}

.nav-menu a.active {
  color: var(--bg-main) !important;
  background-color: var(--lime) !important;
  font-weight: 800;
  box-shadow: 0 8px 20px var(--lime-glow);
}

.nav-logout-wrapper {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--border-color-soft);
}

.nav-logout-wrapper .btn-logout {
  display: block;
  text-align: center;
  background: rgba(239, 68, 68, 0.08) !important;
  border: 1px solid rgba(239, 68, 68, 0.2) !important;
  color: #f87171 !important;
}

.nav-logout-wrapper .btn-logout:hover {
  background: #ef4444 !important;
  color: #fff !important;
  border-color: #ef4444 !important;
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.25);
}

/* Content Area */
.main-content {
  flex: 1;
  min-width: 0;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px;
}

/* Cards & Sections */
.card, .form-card, .section-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 28px 32px;
  margin-bottom: 24px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.card-title, h3 {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
  font-family: var(--font-heading);
}

/* Inputs & Form fields */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

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

input, textarea, select {
  background: var(--bg-card);
  border: 1.5px solid var(--border-color);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--text-primary);
  outline: none;
  transition: all 0.25s ease;
  font-family: var(--font-body);
}

input:focus, textarea:focus, select:focus {
  border-color: var(--lime);
  box-shadow: 0 0 0 3px var(--lime-glow);
}

/* Buttons */
.btn, .btn-submit, .btn-action {
  background-color: var(--lime);
  color: var(--bg-main);
  border: none;
  border-radius: 8px;
  padding: 12px 24px;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: var(--font-heading);
  text-align: center;
  text-decoration: none;
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn:hover, .btn-submit:hover, .btn-action:hover {
  background-color: var(--lime-deep);
  transform: translateY(-1.5px);
  box-shadow: 0 8px 20px var(--lime-glow);
}

.btn-secondary {
  background: transparent !important;
  color: var(--text-secondary) !important;
  border: 1px solid var(--border-color) !important;
}

.btn-secondary:hover {
  color: var(--text-primary) !important;
  background: var(--border-color-soft) !important;
  box-shadow: none !important;
  transform: none;
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15) !important;
  color: #f87171 !important;
  border: 1px solid rgba(239, 68, 68, 0.25) !important;
}

.btn-danger:hover {
  background: #ef4444 !important;
  color: #fff !important;
  box-shadow: 0 8px 20px rgba(239, 68, 68, 0.2) !important;
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  margin-top: 16px;
  -webkit-overflow-scrolling: touch;
}

table, .data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

table th {
  background-color: var(--bg-card);
  color: var(--text-muted);
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 14px 18px;
  border-bottom: 1.5px solid var(--border-color);
  text-align: left;
  white-space: nowrap;
}

table td {
  padding: 14px 18px;
  font-size: 13.5px;
  border-bottom: 1px solid var(--border-color-soft);
  color: var(--text-secondary);
  vertical-align: middle;
}

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

table tr:hover td {
  background-color: rgba(244, 244, 240, 0.02);
}

/* Alerts */
.alert {
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 24px;
  line-height: 1.4;
}

.alert.success {
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.25);
  color: #34d399;
}

.alert.error {
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.25);
  color: #f87171;
}

/* Monospace Numbers */
.mono {
  font-family: var(--font-mono);
  color: var(--lime);
}

/* Flex / Grid Utilities */
.flex-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.grid-cols-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* Responsive Overrides for Tablet and Mobile */
@media (max-width: 1023px) {
  .admin-layout {
    display: block;
    padding-top: 70px;
  }
  .container {
    padding: 24px 16px;
  }
  .grid-cols-2, .grid-3, .grid-2 {
    grid-template-columns: 1fr;
  }
}