/* ===== ShelveKeeper Admin — Shared Styles ===== */

:root {
  --gold: #C9A86C;
  --gold-dim: #a88d55;
  --gold-glow: rgba(201, 168, 108, 0.15);
  --rust: #8B5A2B;
  --beige: #D4A574;
  --green: #4A9D6B;
  --green-dim: rgba(74, 157, 107, 0.15);
  --red: #D64545;
  --red-dim: rgba(214, 69, 69, 0.12);
  --blue: #5B8CB8;
  --blue-dim: rgba(91, 140, 184, 0.12);
  --purple: #9B7EC8;
  --purple-dim: rgba(155, 126, 200, 0.12);

  --bg-deep: #0d0b09;
  --bg-surface: #1a1612;
  --bg-card: #211d17;
  --bg-card-hover: #2a2419;
  --bg-input: #181410;
  --text-bright: #F2EBE0;
  --text-mid: #BFB5A3;
  --text-dim: #6B6259;
  --border: rgba(201, 168, 108, 0.1);
  --border-hi: rgba(201, 168, 108, 0.25);
  --radius: 12px;
  --radius-sm: 8px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', -apple-system, sans-serif;
  background: var(--bg-deep);
  color: var(--text-mid);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Noise overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}

/* Ambient glows */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.06;
  pointer-events: none;
  z-index: 0;
}
.glow-1 { width: 500px; height: 500px; top: -200px; left: -100px; background: var(--gold); }
.glow-2 { width: 400px; height: 400px; bottom: -200px; right: -100px; background: var(--rust); }

/* ===== LOGIN SCREEN ===== */
.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}
.login-screen.hidden { display: none; }

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  margin: 20px;
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.login-logo { text-align: center; margin-bottom: 36px; }

.login-owl {
  display: block;
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
  filter: drop-shadow(0 0 20px var(--gold-glow));
  animation: owlFloat 4s ease-in-out infinite;
}

@keyframes owlFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.login-brand {
  font-weight: 700;
  font-size: 22px;
  color: var(--text-bright);
  letter-spacing: -0.3px;
}
.login-brand span { color: var(--gold); }

.login-subtitle {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 4px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-bright);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  outline: none;
  transition: all 0.2s;
}

.form-input:focus {
  border-color: var(--gold-dim);
  box-shadow: 0 0 0 3px var(--gold-glow);
}

.form-input::placeholder { color: var(--text-dim); }

.login-btn {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dim));
  border: none;
  border-radius: var(--radius-sm);
  color: #0d0b09;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
  letter-spacing: 0.3px;
  position: relative;
  overflow: hidden;
}

.login-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(201, 168, 108, 0.25);
}

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

.login-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.login-error {
  background: var(--red-dim);
  border: 1px solid rgba(214, 69, 69, 0.25);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--red);
  font-size: 13px;
  margin-bottom: 20px;
  display: none;
}
.login-error.visible { display: block; }

.login-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
  color: var(--text-dim);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.google-btn {
  width: 100%;
  padding: 13px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-bright);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.google-btn:hover {
  border-color: var(--border-hi);
  background: var(--bg-card-hover);
}

.google-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.api-config {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.api-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-dim);
  cursor: pointer;
  user-select: none;
  margin-bottom: 12px;
}

.api-toggle svg { transition: transform 0.2s; }
.api-toggle.open svg { transform: rotate(90deg); }

.api-fields { display: none; }
.api-fields.visible { display: block; }

/* ===== TOPBAR ===== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  border-bottom: 1px solid var(--border);
  background: rgba(13, 11, 9, 0.8);
  backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-owl { width: 28px; height: 28px; filter: drop-shadow(0 0 8px var(--gold-glow)); }

.topbar-brand {
  font-weight: 700;
  font-size: 18px;
  color: var(--text-bright);
  letter-spacing: -0.3px;
}
.topbar-brand span { color: var(--gold); }

.topbar-badge {
  font-size: 10px;
  font-weight: 600;
  color: var(--gold);
  background: var(--gold-glow);
  border: 1px solid rgba(201, 168, 108, 0.2);
  padding: 3px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

.topbar-back {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
}
.topbar-back:hover { color: var(--text-mid); }

.logout-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  padding: 6px 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.logout-btn:hover {
  border-color: var(--red);
  color: var(--red);
}

/* ===== TOAST ===== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  color: var(--text-mid);
  font-size: 13px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  animation: slideIn 0.3s ease-out;
  max-width: 360px;
}

.toast.error { border-left: 3px solid var(--red); }
.toast.success { border-left: 3px solid var(--green); }
.toast.info { border-left: 3px solid var(--blue); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ===== CONTENT ===== */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .topbar { padding: 12px 16px; }
  .main-content { padding: 20px 16px; }
  .topbar-badge { display: none; }
}

@media (max-width: 480px) {
  .login-card { padding: 32px 24px; }
}