/* Gridiron 3D — Web Portal & Website Stylesheet
 * Canonical Palette:
 *   Background: charcoal #0c0d0e
 *   Navigation / Dark Navy: #0f172a
 *   Panels / Cards: #131517
 *   Border: #1e293b
 *   Green Primary: #15803d
 *   Green Accent / Success: #4ade80
 *   Warning Yellow: #d97706
 *   Error Red: #dc2626
 *   Text Primary: #f8fafc
 *   Text Muted: #94a3b8
 */

:root {
  --bg-main: #0c0d0e;
  --bg-nav: #0f172a;
  --bg-panel: #131517;
  --bg-panel-alt: #1a1d21;
  --bg-input: #08090a;
  --border-subtle: #1e293b;
  --border-strong: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --color-accent-light: #4ade80;
  --color-text: #f8fafc;
  --color-error: #dc2626;
  --color-warning: #d97706;
  --green-primary: #15803d;
  --green-hover: #166534;
  --green-accent: #4ade80;
  --green-glow: rgba(74, 222, 128, 0.15);
  --yellow-accent: #d97706;
  --red-accent: #dc2626;
  --red-bg: rgba(220, 38, 38, 0.1);
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

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

body {
  font-family: var(--font-stack);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header & Navbar */
.navbar {
  background-color: var(--bg-nav);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.85rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.top-nav {
  background-color: var(--bg-nav);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-main);
}

.brand-logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
  display: inline-block;
  vertical-align: middle;
}

.brand-badge {
  background-color: var(--green-primary);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--green-accent);
}

.nav-links .active {
  color: var(--text-main);
  border-bottom: 2px solid var(--green-accent);
  padding-bottom: 0.2rem;
}

/* Main Container — Centered Panel Layout for Ultrawide & High-Res Monitors */
.page-container,
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  flex: 1;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 3rem 1rem 2.5rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 2.5rem;
}

.hero-logo-container {
  margin: 0 auto 1.75rem auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-logo-banner {
  max-width: 540px;
  width: 90%;
  height: auto;
  filter: drop-shadow(0 14px 30px rgba(0, 0, 0, 0.75));
  transition: transform 0.3s ease;
}

.hero-logo-banner:hover {
  transform: scale(1.02);
}

.hero-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--green-accent);
  background: var(--green-glow);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 1.75rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease;
  font-family: inherit;
}

.btn-primary {
  background-color: var(--green-primary);
  color: #ffffff;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--green-hover);
}

.btn-secondary {
  background-color: var(--bg-panel-alt);
  border-color: var(--border-strong);
  color: var(--text-main);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: var(--border-subtle);
  border-color: var(--text-muted);
}

.btn-danger {
  background-color: var(--red-accent);
  color: #ffffff;
}

.btn-danger:hover,
.btn-danger:focus {
  background-color: #b91c1c;
}

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

.btn-block {
  width: 100%;
}

/* Cards & Panels */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.card {
  background-color: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
}

/* Status Indicator */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 9999px;
  background-color: var(--bg-panel-alt);
  color: var(--text-muted);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--text-dim);
}

.status-dot.online {
  background-color: var(--green-accent);
  box-shadow: 0 0 6px var(--green-accent);
}

.status-dot.warning {
  background-color: var(--yellow-accent);
}

.status-dot.offline {
  background-color: var(--red-accent);
}

/* Tables */
.table-responsive {
  overflow-x: auto;
  margin: 1rem 0;
}

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

th, td {
  padding: 0.65rem 0.85rem;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

th {
  background-color: var(--bg-nav);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

tr:hover {
  background-color: var(--bg-panel-alt);
}

/* Code & Metadata Badges */
code, .mono {
  font-family: var(--font-mono);
  font-size: 0.825rem;
  background-color: var(--bg-input);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
  color: var(--green-accent);
}

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text-main);
}

.form-input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.9rem;
  transition: border-color 0.15s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--green-accent);
  box-shadow: 0 0 0 2px var(--green-glow);
}

.form-help {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Alerts and Messages */
.alert {
  padding: 0.85rem 1rem;
  border-radius: 6px;
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.alert-danger {
  background-color: var(--red-bg);
  border: 1px solid rgba(220, 38, 38, 0.4);
  color: #fca5a5;
}

.alert-success {
  background-color: var(--green-glow);
  border: 1px solid rgba(74, 222, 128, 0.4);
  color: var(--green-accent);
}

.alert-warning {
  background-color: rgba(217, 119, 6, 0.1);
  border: 1px solid rgba(217, 119, 6, 0.4);
  color: #fde68a;
}

/* Admin Zone Special Styling */
.admin-zone {
  border: 1px solid var(--border-strong);
  background-color: #0f1217;
  border-radius: 8px;
  padding: 1.75rem;
  margin-top: 2rem;
}

.admin-badge {
  background-color: #7f1d1d;
  color: #fecaca;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-left: 0.5rem;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 1rem;
}

.modal-content {
  background-color: var(--bg-panel);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  width: 100%;
  max-width: 480px;
  padding: 1.5rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

.modal-header {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* Footer */
.footer {
  background-color: var(--bg-nav);
  border-top: 1px solid var(--border-subtle);
  padding: 1.5rem;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
  margin-top: auto;
}

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

.footer a:hover {
  color: var(--green-accent);
}

/* Authentication Box & Tabs */
.auth-box {
  max-width: 440px;
  margin: 2.5rem auto;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.5rem;
}

.auth-tab {
  flex: 1;
  text-align: center;
  padding: 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.15s ease;
}

.auth-tab.active {
  color: var(--green-accent);
  border-bottom-color: var(--green-accent);
}

/* Visibility Helper */
.hidden {
  display: none !important;
}

/* Typography & Text Helpers */
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-muted { color: var(--text-muted); }
.text-dim { color: var(--text-dim); }
.text-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.font-mono {
  font-family: var(--font-mono);
}
.text-center { text-align: center; }

/* Spacing Helpers */
.mb-4 { margin-bottom: 0.25rem; }
.mb-8 { margin-bottom: 0.5rem; }
.mb-12 { margin-bottom: 0.75rem; }
.mb-16 { margin-bottom: 1rem; }
.mb-24 { margin-bottom: 1.5rem; }
.mb-32 { margin-bottom: 2rem; }
.mt-4 { margin-top: 0.25rem; }
.mt-12 { margin-top: 0.75rem; }
.mt-16 { margin-top: 1rem; }

/* Grid System */
.grid {
  display: grid;
  gap: 1.5rem;
}
.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.badge-accent {
  background-color: var(--green-glow);
  color: var(--green-accent);
  border: 1px solid rgba(74, 222, 128, 0.4);
}
.badge-neutral {
  background-color: var(--bg-panel-alt);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}
.badge-warning {
  background-color: rgba(217, 119, 6, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.4);
}
.badge-error {
  background-color: var(--red-bg);
  color: #fca5a5;
  border: 1px solid rgba(220, 38, 38, 0.4);
}

/* Card Muted */
.card-muted {
  background-color: var(--bg-panel-alt);
}

/* Meta List */
.meta-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.875rem;
}
.meta-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.meta-key {
  color: var(--text-muted);
}
.meta-val {
  color: var(--text-main);
  font-weight: 500;
}

/* Portal Hero Banner */
.portal-hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 1.5rem 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.portal-role-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.portal-title {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.portal-subtitle {
  font-size: 0.9rem;
}
.portal-hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Portal Tabs */
.portal-tabs {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.5rem;
}
.portal-tab {
  padding: 0.75rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.15s ease;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}
.portal-tab:hover {
  color: var(--text-main);
}
.portal-tab.active {
  color: var(--green-accent);
  border-bottom-color: var(--green-accent);
}
.portal-panel {
  display: block;
}
.portal-panel.hidden {
  display: none;
}

/* Additional Button Styles */
.btn-outline {
  background-color: transparent;
  border-color: var(--border-strong);
  color: var(--text-main);
}
.btn-outline:hover {
  background-color: var(--bg-panel-alt);
  border-color: var(--text-muted);
}
.btn-error {
  background-color: var(--red-accent);
  color: #fff;
  border-color: #b91c1c;
}
.btn-error:hover {
  background-color: #b91c1c;
}

/* Spinner & Loading */
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border-subtle);
  border-top-color: var(--green-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 1rem auto;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.portal-loading {
  text-align: center;
  padding: 5rem 1rem;
}