/* ============================================================
   PGOC.ai — Global Stylesheet
   Brand: Gold (#d4af37) + Dark (#111)
   ============================================================ */

/* ── CSS Custom Properties ───────────────────────────────── */
:root {
  --color-bg:            #0e0e0e;
  --color-surface:       #1a1a1a;
  --color-surface-alt:   #1c1c1c;
  --color-surface-hover: #252525;
  --color-gold:          #d4af37;
  --color-gold-hover:    #b99228;
  --color-gold-glow:     rgba(212, 175, 55, 0.15);
  --color-gold-subtle:   rgba(212, 175, 55, 0.08);
  --color-text:          #eaeaea;
  --color-text-muted:    #999;
  --color-text-secondary:#ccc;
  --color-border:        #2a2a2a;
  --color-border-light:  #333;
  --color-danger:        #ff4e4e;
  --color-success:       #4ade80;

  --sidebar-width:       240px;
  --sidebar-collapsed:   64px;
  --topbar-height:       56px;
  --radius:              8px;
  --radius-lg:           12px;
  --transition:          0.2s ease;
  --shadow:              0 2px 8px rgba(0,0,0,0.3);
  --shadow-lg:           0 4px 16px rgba(0,0,0,0.4);

  --font-family:         'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text);
  margin: 0;
  padding: 0;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-gold); text-decoration: none; }
a:hover { color: var(--color-gold-hover); }

h1, h2, h3, h4 { margin: 0 0 0.5rem 0; color: var(--color-gold); }
p { margin: 0 0 0.75rem 0; }

/* ── App Shell (Sidebar + Content) ───────────────────────── */
.app-shell {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: width 0.25s ease;
  overflow: hidden;
}

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

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 16px;
  border-bottom: 1px solid var(--color-border);
  min-height: 64px;
}

.sidebar-brand img {
  height: 32px;
  width: auto;
  flex-shrink: 0;
}

.sidebar-brand span {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-gold);
  white-space: nowrap;
  opacity: 1;
  transition: opacity 0.2s ease;
}

.sidebar.collapsed .sidebar-brand span {
  opacity: 0;
  width: 0;
}

/* Nav items */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}

.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-track { background: transparent; }
.sidebar-nav::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; }

.nav-section {
  padding: 16px 16px 4px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
}

.sidebar.collapsed .nav-section {
  text-align: center;
  padding: 16px 0 4px;
  font-size: 0;
}
.sidebar.collapsed .nav-section::after {
  content: '···';
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
  border-left: 3px solid transparent;
  cursor: pointer;
}

.nav-item:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.nav-item.active {
  background: var(--color-gold-subtle);
  color: var(--color-gold);
  border-left-color: var(--color-gold);
}

.nav-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.nav-item:hover svg,
.nav-item.active svg {
  opacity: 1;
}

.nav-item .nav-label {
  opacity: 1;
  transition: opacity 0.2s ease;
}

.sidebar.collapsed .nav-item {
  padding: 10px 0;
  justify-content: center;
  border-left-color: transparent;
}

.sidebar.collapsed .nav-item .nav-label {
  opacity: 0;
  width: 0;
  overflow: hidden;
}

.nav-item.disabled {
  opacity: 0.35;
  pointer-events: none;
}

/* Sidebar footer */
.sidebar-footer {
  border-top: 1px solid var(--color-border);
  padding: 8px 0;
}

/* Sidebar toggle button */
.sidebar-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 10px 16px;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition);
  border: none;
  background: none;
  width: 100%;
  font-family: var(--font-family);
  font-size: 0.85rem;
}

.sidebar-toggle:hover {
  color: var(--color-text);
}

.sidebar-toggle svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.sidebar.collapsed .sidebar-toggle svg {
  transform: rotate(180deg);
}

.sidebar.collapsed .sidebar-toggle .toggle-label {
  display: none;
}

/* ── Top Bar ─────────────────────────────────────────────── */
.topbar {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  height: var(--topbar-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 90;
  transition: left 0.25s ease;
}

.sidebar.collapsed ~ .main-content .topbar,
.sidebar.collapsed ~ .topbar {
  left: var(--sidebar-collapsed);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.topbar-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-gold);
  color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
}

/* Mobile hamburger */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  cursor: pointer;
  padding: 4px;
}

.mobile-menu-btn svg {
  width: 24px;
  height: 24px;
}

/* ── Main Content Area ───────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-width);
  padding-top: var(--topbar-height);
  flex: 1;
  min-height: 100vh;
  transition: margin-left 0.25s ease;
}

.sidebar.collapsed ~ .main-content {
  margin-left: var(--sidebar-collapsed);
}

.content-area {
  padding: 24px;
  max-width: 1400px;
}

/* ── Flash Messages ──────────────────────────────────────── */
.flash-messages {
  list-style: none;
  padding: 0;
  margin: 0 0 20px 0;
}

.flash-messages li {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.flash-messages .flash-error {
  background: rgba(255, 78, 78, 0.1);
  border: 1px solid rgba(255, 78, 78, 0.3);
  color: var(--color-danger);
}

.flash-messages .flash-success {
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.3);
  color: var(--color-success);
}

.flash-messages .flash-info {
  background: var(--color-gold-subtle);
  border: 1px solid rgba(212, 175, 55, 0.3);
  color: var(--color-gold);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  font-family: var(--font-family);
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-gold, .button {
  background-color: var(--color-gold);
  color: #000;
  padding: 10px 18px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition);
  font-family: var(--font-family);
  font-size: 0.9rem;
}

.btn-gold:hover, .button:hover {
  background-color: var(--color-gold-hover);
  box-shadow: 0 0 12px var(--color-gold-glow);
}

a.button {
  background-color: var(--color-gold);
  color: #000;
  padding: 10px 18px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition);
}

a.button:hover {
  background-color: var(--color-gold-hover);
  color: #000;
  box-shadow: 0 0 12px var(--color-gold-glow);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-border-light);
  color: var(--color-text);
}

.btn-outline:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.btn-danger {
  background: var(--color-danger);
  color: #fff;
}

.btn-danger:hover {
  background: #e63e3e;
}

.button.cancel, .btn-cancel {
  background-color: #444;
  color: #fff;
}

.button.cancel:hover, .btn-cancel:hover {
  background-color: #555;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

/* ── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--color-border);
  transition: all 0.25s ease;
}

.card:hover {
  border-color: var(--color-border-light);
  box-shadow: var(--shadow);
}

/* Dashboard-style nav cards */
.dash-card {
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  padding: 24px 24px 24px 28px;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-gold);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 160px;
}

.dash-card:hover {
  transform: translateY(-2px);
  border-color: rgba(212, 175, 55, 0.3);
  border-left-color: var(--color-gold);
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.1);
  background: var(--color-surface-hover);
}

.dash-card-icon {
  width: 36px;
  height: 36px;
  color: var(--color-gold);
  opacity: 0.85;
  margin-bottom: 4px;
}

.dash-card h2 {
  font-size: 1.1rem;
  color: var(--color-text);
  margin: 0;
}

.dash-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.4;
}

.dash-card.disabled {
  opacity: 0.35;
  pointer-events: none;
}

/* Card link wrapper */
a.card-link {
  text-decoration: none;
  color: inherit;
}

a.card-link:hover {
  color: inherit;
}

/* Card grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.card-grid > a.card-link,
.card-grid > .dash-card {
  display: flex;
}

.card-grid > a.card-link > .dash-card {
  flex: 1;
}

/* Activation / location cards */
.activation-card {
  padding: 16px;
  min-width: 240px;
  text-align: left;
  font-size: 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-surface-alt);
  color: var(--color-text);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: all 0.25s ease;
}

.activation-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background-color: var(--color-gold);
  color: #000;
  border-color: var(--color-gold);
}

.key-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-top: 20px;
}

/* ── Section headers ─────────────────────────────────────── */
.section-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin: 32px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.section-title:first-child {
  margin-top: 0;
}

/* ── Forms ────────────────────────────────────────────────── */
input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="search"],
input[type="url"],
textarea,
select {
  background-color: #1e1e1e;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  color: var(--color-text);
  padding: 10px 14px;
  font-family: var(--font-family);
  font-size: 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px var(--color-gold-glow);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-muted);
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

/* Search bar */
.search-bar {
  position: relative;
}

.search-bar input {
  padding-left: 36px;
}

.search-bar svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--color-text-muted);
}

/* ── Tables ───────────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table thead th {
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border-light);
  background: var(--color-surface);
}

.data-table tbody td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

.data-table tbody tr:hover {
  background: var(--color-surface-hover);
}

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

/* ── Badges / Tags ───────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-gold {
  background: var(--color-gold-subtle);
  color: var(--color-gold);
}

.badge-success {
  background: rgba(74, 222, 128, 0.1);
  color: var(--color-success);
}

.badge-danger {
  background: rgba(255, 78, 78, 0.1);
  color: var(--color-danger);
}

/* ── Utility ─────────────────────────────────────────────── */
.text-gold { color: var(--color-gold); }
.text-muted { color: var(--color-text-muted); }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }

/* ── Dividers ────────────────────────────────────────────── */
hr {
  border: none;
  height: 1px;
  background: var(--color-border);
  margin: 24px 0;
}

/* ── Scrollbar ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #555; }

/* ── Mobile Overlay ──────────────────────────────────────── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 99;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-width) !important;
  }

  .sidebar.mobile-open {
    transform: translateX(0);
  }

  .sidebar.mobile-open ~ .sidebar-overlay {
    display: block;
  }

  .topbar {
    left: 0 !important;
  }

  .main-content {
    margin-left: 0 !important;
  }

  .mobile-menu-btn {
    display: block;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .activation-card {
    width: 100%;
    min-width: 0;
  }

  .key-cards {
    flex-direction: column;
    align-items: stretch;
  }

  .content-area {
    padding: 16px;
  }
}

@media (max-width: 480px) {
  .btn, .button, a.button {
    width: 100%;
    justify-content: center;
  }
}