/* ============================================================
   UKCDL — UK Cyber Defence Secure File Share
   Stylesheet — Three Themes: dark / light / terminal
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Exo+2:wght@300;400;600;700;800&family=Source+Code+Pro:wght@400;600&family=VT323&display=swap');

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  --bg-primary:    #070d1a;
  --bg-secondary:  #0c1526;
  --bg-card:       #0f1e35;
  --bg-sidebar:    #060c18;
  --border:        rgba(0, 180, 216, 0.2);
  --border-strong: rgba(0, 180, 216, 0.5);
  --text-primary:  #e2e8f5;
  --text-secondary:#8da4c0;
  --text-muted:    #4a6080;
  --accent:        #00b4d8;
  --accent-dim:    rgba(0, 180, 216, 0.15);
  --accent-glow:   rgba(0, 180, 216, 0.4);
  --accent2:       #0077b6;
  --success:       #00e5a0;
  --warning:       #ffc300;
  --danger:        #ff3e5e;
  --font-main:     'Exo 2', sans-serif;
  --font-mono:     'Source Code Pro', monospace;
  --font-terminal: 'VT323', monospace;
  --radius:        6px;
  --radius-lg:     12px;
  --shadow:        0 4px 24px rgba(0,0,0,0.5);
  --shadow-card:   0 2px 16px rgba(0,0,0,0.4);
  --transition:    0.2s ease;
}

/* ── Light Theme ───────────────────────────────────────────── */
body.theme-light {
  --bg-primary:    #f0f4f8;
  --bg-secondary:  #ffffff;
  --bg-card:       #ffffff;
  --bg-sidebar:    #0a1628;
  --border:        rgba(0,119,182,0.2);
  --border-strong: rgba(0,119,182,0.5);
  --text-primary:  #0a1628;
  --text-secondary:#3a5a7a;
  --text-muted:    #7a9ab8;
  --accent:        #0077b6;
  --accent-dim:    rgba(0,119,182,0.08);
  --accent-glow:   rgba(0,119,182,0.3);
  --accent2:       #00b4d8;
  --success:       #00875a;
  --warning:       #b85c00;
  --danger:        #c0001e;
  --shadow:        0 2px 16px rgba(0,40,80,0.12);
  --shadow-card:   0 1px 8px rgba(0,40,80,0.1);
}

/* ── Terminal Theme ────────────────────────────────────────── */
body.theme-terminal {
  --bg-primary:    #0a0a0a;
  --bg-secondary:  #111111;
  --bg-card:       #0f0f0f;
  --bg-sidebar:    #050505;
  --border:        rgba(255,176,0,0.3);
  --border-strong: rgba(255,176,0,0.7);
  --text-primary:  #ffb000;
  --text-secondary:#cc8c00;
  --text-muted:    #664400;
  --accent:        #ffb000;
  --accent-dim:    rgba(255,176,0,0.1);
  --accent-glow:   rgba(255,176,0,0.4);
  --accent2:       #ff8c00;
  --success:       #00ff7f;
  --warning:       #ffff00;
  --danger:        #ff4444;
  --font-main:     'VT323', monospace;
  --font-mono:     'VT323', monospace;
  --shadow:        0 0 20px rgba(255,176,0,0.2);
  --shadow-card:   0 0 12px rgba(255,176,0,0.15);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition), color var(--transition);
  font-size: 15px;
  line-height: 1.6;
}

body.theme-terminal {
  font-size: 18px;
  letter-spacing: 0.03em;
}

/* CRT scanline effect for terminal */
body.theme-terminal::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 2px,
    rgba(0,0,0,0.15) 2px,
    rgba(0,0,0,0.15) 4px
  );
  pointer-events: none;
  z-index: 9999;
  animation: scanlines 8s linear infinite;
}

@keyframes scanlines {
  from { background-position: 0 0; }
  to   { background-position: 0 100px; }
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent2); text-decoration: underline; }

h1,h2,h3,h4,h5,h6 { font-family: var(--font-main); font-weight: 700; color: var(--text-primary); }

code, .code, .token-display { font-family: var(--font-mono); }

/* ── Layout ────────────────────────────────────────────────── */
.site-wrapper { flex: 1; display: flex; flex-direction: column; min-height: 100vh; }

/* ── Theme Switcher ────────────────────────────────────────── */
.theme-switcher {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 9000;
  display: flex;
  gap: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 4px;
  box-shadow: var(--shadow);
}

.ts-btn {
  width: 32px; height: 32px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  transition: all var(--transition);
}

.ts-btn:hover, .ts-btn.active {
  background: var(--accent-dim);
  border-color: var(--border-strong);
  color: var(--accent);
}

/* ── Navigation ────────────────────────────────────────────── */
.site-nav {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.25rem; font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 0.1em;
  text-decoration: none;
}

.nav-brand:hover { color: var(--accent); text-decoration: none; }

.nav-shield {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; color: #fff;
  box-shadow: 0 0 12px var(--accent-glow);
}

body.theme-terminal .nav-shield { box-shadow: 0 0 12px rgba(255,176,0,0.5); }

.nav-links {
  display: flex; align-items: center; gap: 4px;
  margin-left: auto;
  list-style: none; padding: 0; margin-bottom: 0;
}

.nav-links a {
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: all var(--transition);
  text-decoration: none;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--accent);
  background: var(--accent-dim);
}

/* ── Admin Sidebar Layout ──────────────────────────────────── */
.admin-layout { display: flex; min-height: calc(100vh - 64px); }

.admin-sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  padding: 24px 0;
  display: flex;
  flex-direction: column;
}

.admin-sidebar .sidebar-section {
  padding: 8px 16px 4px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 16px;
}

.sidebar-nav { list-style: none; padding: 0; margin: 0; }

.sidebar-nav li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: all var(--transition);
}

.sidebar-nav li a:hover,
.sidebar-nav li a.active {
  color: var(--accent);
  background: var(--accent-dim);
  border-left-color: var(--accent);
}

.sidebar-nav li a i { width: 18px; text-align: center; }

.admin-main { flex: 1; padding: 32px; overflow-x: auto; }

/* ── Page Header ───────────────────────────────────────────── */
.page-header {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.page-header h1 {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin: 0;
}

.page-header h1 i { color: var(--accent); margin-right: 10px; }

.page-subtitle { color: var(--text-secondary); font-size: 0.875rem; margin-top: 4px; }

/* ── Cards ─────────────────────────────────────────────────── */
.ukcdl-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.ukcdl-card:hover { border-color: var(--border-strong); }

.ukcdl-card .card-header {
  background: transparent;
  border-bottom: 1px solid var(--border);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}

.ukcdl-card .card-header i { color: var(--accent); }
.ukcdl-card .card-body { padding: 20px; }

/* ── Stat Cards ────────────────────────────────────────────── */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
}

.stat-card:hover { border-color: var(--border-strong); box-shadow: 0 0 20px var(--accent-glow); }

.stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-top: 4px;
}

.stat-icon {
  position: absolute;
  right: 20px; top: 50%;
  transform: translateY(-50%);
  font-size: 2.5rem;
  color: var(--accent-dim);
  color: rgba(0,180,216,0.12);
}

/* ── Tables ────────────────────────────────────────────────── */
.ukcdl-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.9rem;
}

.ukcdl-table th {
  background: var(--bg-secondary);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.ukcdl-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--text-primary);
}

.ukcdl-table tbody tr:hover td { background: var(--accent-dim); }
.ukcdl-table tbody tr:last-child td { border-bottom: none; }

/* ── Forms ─────────────────────────────────────────────────── */
.form-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-control, .form-select {
  background: var(--bg-secondary) !important;
  border: 1px solid var(--border) !important;
  color: var(--text-primary) !important;
  border-radius: var(--radius) !important;
  padding: 10px 14px;
  font-family: var(--font-main);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus, .form-select:focus {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 3px var(--accent-glow) !important;
  outline: none;
}

.form-control::placeholder { color: var(--text-muted); }

.form-check-input { background-color: var(--bg-secondary) !important; border-color: var(--border) !important; }
.form-check-input:checked { background-color: var(--accent) !important; border-color: var(--accent) !important; }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  font-family: var(--font-main);
  font-weight: 700;
  letter-spacing: 0.06em;
  border-radius: var(--radius);
  transition: all var(--transition);
}

.btn-cyber {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border: none;
  color: #fff;
  padding: 10px 24px;
}

.btn-cyber:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-glow);
  color: #fff;
}

.btn-outline-cyber {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 8px 20px;
}

.btn-outline-cyber:hover {
  background: var(--accent-dim);
  color: var(--accent);
}

.btn-danger-soft {
  background: rgba(255,62,94,0.1);
  border: 1px solid rgba(255,62,94,0.3);
  color: var(--danger);
}

.btn-danger-soft:hover {
  background: rgba(255,62,94,0.2);
  color: var(--danger);
}

/* ── Badges ────────────────────────────────────────────────── */
.badge-public {
  background: rgba(0,229,160,0.15);
  color: var(--success);
  border: 1px solid rgba(0,229,160,0.3);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 3px 10px;
  border-radius: 50px;
}

.badge-private {
  background: rgba(255,195,0,0.15);
  color: var(--warning);
  border: 1px solid rgba(255,195,0,0.3);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 3px 10px;
  border-radius: 50px;
}

.badge-expired {
  background: rgba(255,62,94,0.15);
  color: var(--danger);
  border: 1px solid rgba(255,62,94,0.3);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 3px 10px;
  border-radius: 50px;
}

.badge-inactive {
  background: rgba(100,100,120,0.15);
  color: var(--text-muted);
  border: 1px solid rgba(100,100,120,0.2);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 3px 10px;
  border-radius: 50px;
}

/* ── Login Page ────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 20% 50%, rgba(0,180,216,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 30%, rgba(0,119,182,0.06) 0%, transparent 60%);
  pointer-events: none;
}

body.theme-terminal .login-page::before {
  background:
    radial-gradient(ellipse 50% 40% at 50% 50%, rgba(255,176,0,0.05) 0%, transparent 70%);
}

.login-box {
  width: 100%;
  max-width: 440px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
  position: relative;
}

.login-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo .shield-icon {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 16px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 28px; color: #fff;
  box-shadow: 0 0 24px var(--accent-glow);
  margin-bottom: 16px;
}

.login-logo h1 {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  margin: 0;
}

.login-logo p { color: var(--text-secondary); font-size: 0.85rem; margin: 4px 0 0; }

/* ── Access / Client Pages ─────────────────────────────────── */
.access-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.access-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0,180,216,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 10% 80%, rgba(0,119,182,0.04) 0%, transparent 50%);
  pointer-events: none;
}

.access-box {
  width: 100%;
  max-width: 500px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
  animation: fadeInUp 0.4s ease;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.access-code-input {
  font-family: var(--font-mono) !important;
  font-size: 1.8rem !important;
  text-align: center;
  letter-spacing: 0.3em !important;
  text-transform: uppercase;
  padding: 16px !important;
}

/* ── Countdown Timer ───────────────────────────────────────── */
.countdown-banner {
  background: rgba(255,195,0,0.08);
  border: 1px solid rgba(255,195,0,0.25);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.countdown-banner i { color: var(--warning); font-size: 1.4rem; flex-shrink: 0; }

.countdown-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--warning); }

.countdown-digits {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.cd-unit {
  text-align: center;
  min-width: 52px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 8px;
}

.cd-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--warning);
  line-height: 1;
}

.cd-label {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── File List ─────────────────────────────────────────────── */
.file-list { list-style: none; padding: 0; margin: 0; }

.file-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 8px;
  background: var(--bg-secondary);
  transition: all var(--transition);
  animation: fadeInUp 0.3s ease both;
}

.file-item:hover { border-color: var(--border-strong); background: var(--accent-dim); }

.file-icon {
  width: 40px; height: 40px;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: var(--accent);
  flex-shrink: 0;
}

.file-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
  word-break: break-all;
}

.file-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
  font-family: var(--font-mono);
}

.file-actions { margin-left: auto; flex-shrink: 0; }

/* ── Token / Code Display ──────────────────────────────────── */
.token-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  word-break: break-all;
  position: relative;
}

.token-box .copy-btn {
  position: absolute;
  top: 8px; right: 8px;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius);
  padding: 4px 8px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition);
}

.token-box .copy-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

.access-code-display {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.4em;
  color: var(--success);
  text-align: center;
  background: var(--bg-secondary);
  border: 2px solid rgba(0,229,160,0.3);
  border-radius: var(--radius);
  padding: 16px;
  margin: 8px 0;
}

/* ── Alerts ────────────────────────────────────────────────── */
.ukcdl-alert {
  border-radius: var(--radius);
  padding: 12px 16px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  margin-bottom: 16px;
  border: 1px solid;
  animation: fadeInUp 0.3s ease;
}

.ukcdl-alert-success {
  background: rgba(0,229,160,0.08);
  border-color: rgba(0,229,160,0.3);
  color: var(--success);
}

.ukcdl-alert-danger {
  background: rgba(255,62,94,0.08);
  border-color: rgba(255,62,94,0.3);
  color: var(--danger);
}

.ukcdl-alert-warning {
  background: rgba(255,195,0,0.08);
  border-color: rgba(255,195,0,0.3);
  color: var(--warning);
}

.ukcdl-alert-info {
  background: var(--accent-dim);
  border-color: var(--border);
  color: var(--accent);
}

/* ── Share Type Toggle ─────────────────────────────────────── */
.type-toggle {
  display: flex;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px;
  gap: 4px;
}

.type-toggle-btn {
  flex: 1;
  padding: 10px 16px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  text-align: center;
  transition: all var(--transition);
}

.type-toggle-btn.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Upload Zone ───────────────────────────────────────────── */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  background: var(--bg-secondary);
}

.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.upload-zone i { font-size: 2.5rem; color: var(--text-muted); margin-bottom: 12px; display: block; }
.upload-zone.drag-over i { color: var(--accent); }
.upload-zone p { color: var(--text-secondary); margin: 0; font-size: 0.9rem; }

/* ── Progress Bar ──────────────────────────────────────────── */
.upload-progress { margin-top: 8px; }
.progress-bar-cyber {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
}

/* ── Footer ────────────────────────────────────────────────── */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 12px 24px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-brand { font-weight: 700; color: var(--text-secondary); }
.footer-ver { font-family: var(--font-mono); }

/* ── Terminal Mode Overrides ───────────────────────────────── */
body.theme-terminal .ukcdl-card { border-color: rgba(255,176,0,0.4); }
body.theme-terminal .btn-cyber {
  background: transparent;
  border: 1px solid #ffb000;
  color: #ffb000;
  text-shadow: 0 0 8px rgba(255,176,0,0.5);
}
body.theme-terminal .btn-cyber:hover { background: rgba(255,176,0,0.15); box-shadow: 0 0 12px rgba(255,176,0,0.3); }
body.theme-terminal h1, body.theme-terminal h2, body.theme-terminal h3 {
  text-shadow: 0 0 8px rgba(255,176,0,0.4);
}
body.theme-terminal .access-code-display {
  border-color: rgba(255,176,0,0.4);
  color: #ffb000;
  text-shadow: 0 0 10px rgba(255,176,0,0.5);
}
body.theme-terminal input, body.theme-terminal select, body.theme-terminal textarea {
  caret-color: #ffb000;
}
body.theme-terminal *::selection { background: rgba(255,176,0,0.3); color: #fff; }

/* ── Light Mode Overrides ──────────────────────────────────── */
body.theme-light .admin-sidebar { background: #0a1628; }
body.theme-light .sidebar-nav li a { color: #8da4c0; }
body.theme-light .sidebar-nav li a:hover,
body.theme-light .sidebar-nav li a.active {
  color: #00b4d8;
  background: rgba(0,180,216,0.12);
  border-left-color: #00b4d8;
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .admin-layout { flex-direction: column; }
  .admin-sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--border); padding: 12px 0; }
  .admin-sidebar { display: none; } /* Mobile: hide sidebar, use dropdown */
  .admin-main { padding: 16px; }
  .page-header { flex-direction: column; }
  .login-box, .access-box { padding: 24px; }
  .stat-value { font-size: 2rem; }
}

/* ── Utilities ─────────────────────────────────────────────── */
.mono { font-family: var(--font-mono); }
.text-accent { color: var(--accent); }
.text-success-soft { color: var(--success); }
.text-warning-soft { color: var(--warning); }
.text-danger-soft  { color: var(--danger); }
.bg-card { background: var(--bg-card); }
.border-ukcdl { border-color: var(--border) !important; }
.glow { box-shadow: 0 0 20px var(--accent-glow); }

/* ── Spinner / Loading ─────────────────────────────────────── */
.ukcdl-spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Setup page */
.setup-notice {
  background: rgba(255,195,0,0.08);
  border: 1px solid rgba(255,195,0,0.3);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-bottom: 24px;
}