/* ═══════════════════════════════════════════════════════════════════
   SarahAndBran -- Global Styles
   Warm, romantic palette for a private messaging app
   ═══════════════════════════════════════════════════════════════════ */

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  --radius: 14px;
  --radius-sm: 8px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"], body:not([data-theme]) {
  --bg: #0e0a14;
  --bg-surface: #1a1025;
  --bg-surface-2: #241a30;
  --bg-hover: #2e2240;
  --text: #f0e8f5;
  --text-secondary: #a898b8;
  --text-muted: #7a6a8e;
  --accent-pink: #f472b6;
  --accent-blue: #60a5fa;
  --accent-purple: #a78bfa;
  --border: rgba(168, 152, 184, 0.12);
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --glass: rgba(26, 16, 37, 0.85);
  --overlay: rgba(14, 10, 20, 0.8);
}

[data-theme="light"] {
  --bg: #fdf6f9;
  --bg-surface: #ffffff;
  --bg-surface-2: #faf0f4;
  --bg-hover: #f5e8ee;
  --text: #2a1f35;
  --text-secondary: #6b5a78;
  --text-muted: #9a8aaa;
  --accent-pink: #ec4899;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --border: rgba(107, 90, 120, 0.12);
  --shadow: 0 8px 32px rgba(0,0,0,0.08);
  --glass: rgba(255,255,255,0.9);
  --overlay: rgba(253,246,249,0.85);
}

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

html, body {
  height: 100%;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

body.chat-page-body { overflow: hidden; }

/* ── Password Lock Overlay ───────────────────────────────────── */

body.password-locked .login-page { display: none !important; }

.password-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0e0a14 0%, #1a1025 50%, #1e0c2e 100%);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.password-overlay.unlocking {
  opacity: 0;
  transform: scale(1.05);
  pointer-events: none;
}

.lock-particles {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(244, 114, 182, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(96, 165, 250, 0.06) 0%, transparent 50%);
  animation: particleShift 12s ease-in-out infinite alternate;
}

@keyframes particleShift {
  0% { opacity: 0.6; }
  100% { opacity: 1; }
}

.password-container {
  text-align: center;
  max-width: 380px;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.lock-icon {
  color: var(--accent-pink);
  margin-bottom: 20px;
  opacity: 0.7;
}

.password-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 400;
  color: #f0e8f5;
  margin-bottom: 28px;
  letter-spacing: -0.01em;
}

.password-input-wrap {
  position: relative;
}

.password-input {
  width: 100%;
  padding: 14px 48px 14px 20px;
  border: 1px solid rgba(244, 114, 182, 0.2);
  border-radius: 50px;
  background: rgba(30, 20, 42, 0.6);
  color: #f0e8f5;
  font-size: 1rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-text-security: disc;
}

.password-eye {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: rgba(240, 232, 245, 0.4);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition);
}

.password-eye:hover { color: rgba(240, 232, 245, 0.7); }
.password-eye svg { width: 20px; height: 20px; }

.password-input:focus {
  border-color: var(--accent-pink);
  box-shadow: 0 0 0 3px rgba(244, 114, 182, 0.15);
}

.password-input.shake {
  animation: shake 0.5s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-8px); }
  40%, 80% { transform: translateX(8px); }
}

.password-error {
  color: #f87171;
  font-size: 0.85rem;
  margin-top: 10px;
  opacity: 0;
  transition: opacity var(--transition);
}

.password-error.visible { opacity: 1; }

.password-hint {
  color: rgba(240, 232, 245, 0.35);
  font-size: 0.8rem;
  margin-top: 16px;
}

/* ── Login Page ──────────────────────────────────────────────── */

.login-page {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  overflow-y: auto;
  background:
    radial-gradient(circle at 30% 20%, rgba(244, 114, 182, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 70% 80%, rgba(96, 165, 250, 0.05) 0%, transparent 40%),
    var(--bg);
}

.login-header {
  text-align: center;
  margin-bottom: 48px;
}

.login-logo {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.login-logo--sarah { color: var(--accent-pink); }
.login-logo--amp { color: var(--text-muted); font-style: italic; }
.login-logo--bran { color: var(--accent-blue); }

.login-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  margin-top: 8px;
  font-style: italic;
}

.login-cards {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 640px;
  width: 100%;
}

.login-card {
  flex: 1 1 260px;
  max-width: 300px;
  background: var(--bg-surface);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.login-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.login-card--sarah { border-top: 3px solid var(--accent-pink); }
.login-card--brandon { border-top: 3px solid var(--accent-blue); }

.login-card__photo-wrap {
  width: 100px;
  height: 100px;
  margin: 0 auto 16px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--border);
}

.login-card--sarah .login-card__photo-wrap { border-color: rgba(244, 114, 182, 0.3); }
.login-card--brandon .login-card__photo-wrap { border-color: rgba(96, 165, 250, 0.3); }

.login-card__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.login-card__name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 500;
  margin-bottom: 20px;
}

.login-card__form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.login-card__error {
  color: #f87171;
  font-size: 0.8rem;
  min-height: 18px;
}

.setpw-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ── Shared UI Components ────────────────────────────────────── */

.sb-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-surface-2);
  color: var(--text);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color var(--transition);
}

.sb-input:focus { border-color: var(--accent-purple); }
.sb-input::placeholder { color: var(--text-muted); }

.sb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all var(--transition);
}

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

.sb-btn--primary {
  background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
  color: #fff;
}

.sb-btn--primary:hover:not(:disabled) {
  box-shadow: 0 4px 16px rgba(244, 114, 182, 0.3);
  transform: translateY(-1px);
}

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

.sb-btn--outline:hover:not(:disabled) {
  background: var(--bg-hover);
  border-color: var(--accent-purple);
}

.sb-btn--danger {
  background: rgba(248, 113, 113, 0.15);
  color: #f87171;
}

.sb-btn--danger:hover { background: rgba(248, 113, 113, 0.25); }

.sb-btn--sm { padding: 7px 14px; font-size: 0.82rem; }

.icon-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 50%;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.icon-btn:hover {
  background: var(--bg-hover);
  color: var(--text);
}

/* ── Modal ───────────────────────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--overlay);
  backdrop-filter: blur(8px);
}

.modal {
  background: var(--bg-surface);
  border-radius: var(--radius);
  width: 90%;
  max-width: 420px;
  max-height: 80vh;
  overflow-y: auto;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
}

.modal__header h2 {
  font-size: 1.1rem;
  font-weight: 600;
}

.modal__close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  border-radius: 50%;
}

.modal__close:hover { background: var(--bg-hover); color: var(--text); }

.modal__body { padding: 20px; }

.settings-section {
  margin-bottom: 24px;
}

.settings-section h3 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.settings-avatar-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.settings-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
}

.settings-error {
  color: #f87171;
  font-size: 0.8rem;
  margin-top: 6px;
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--text);
  cursor: pointer;
}

.settings-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 2px 0 8px;
  padding-left: 2px;
}

.settings-email-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 4px;
}

.settings-email-row .sb-input {
  flex: 1;
  font-size: 0.85rem;
  padding: 8px 12px;
}

.settings-email-status {
  font-size: 0.78rem;
  margin-top: 4px;
  min-height: 18px;
}

.settings-email-status.success { color: #34d399; }
.settings-email-status.error { color: #f87171; }

/* ── Custom Scrollbar ────────────────────────────────────────── */

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

* {
  scrollbar-width: thin;
  scrollbar-color: var(--text-muted) transparent;
}

/* ── Responsive ──────────────────────────────────────────────── */

@media (max-width: 560px) {
  .login-logo { font-size: 2rem; }
  .login-cards { flex-direction: column; align-items: center; }
  .login-card { max-width: 100%; }
}