/* ────────────────────────────────────────────────────────────
   TempMail — Global Stylesheet
   Design: dark glassmorphism with indigo/violet accent palette
   Font: Inter (Google Fonts)
   ──────────────────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  --bg:           #080b14;
  --bg-2:         #0d1120;
  --bg-card:      #121626;
  --surface:      rgba(255, 255, 255, 0.04);
  --surface-2:    rgba(255, 255, 255, 0.07);
  --border:       rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.16);

  --accent:       #6366f1;
  --accent-light: #818cf8;
  --accent-dark:  #4f46e5;
  --accent-glow:  rgba(99, 102, 241, 0.35);

  --violet:       #8b5cf6;
  --violet-glow:  rgba(139, 92, 246, 0.25);

  --green:        #10b981;
  --green-glow:   rgba(16, 185, 129, 0.2);
  --red:          #ef4444;
  --yellow:       #f59e0b;

  --text-1:       #e2e8f0;
  --text-2:       #94a3b8;
  --text-3:       #64748b;

  --radius-sm:    6px;
  --radius:       12px;
  --radius-lg:    18px;
  --radius-xl:    24px;

  --transition:   200ms cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-glow:  0 0 40px rgba(99, 102, 241, 0.15);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background-color: var(--bg);
  color: var(--text-1);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% -10%, rgba(99,102,241,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 110%, rgba(139,92,246,0.10) 0%, transparent 55%);
  pointer-events: none;
  z-index: 0;
}

.page-wrapper {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

.container--wide { max-width: 1200px; }
.hidden { display: none !important; }

/* ── Components ──────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: inherit; font-size: 0.95rem; font-weight: 600;
  border: none; border-radius: var(--radius); cursor: pointer;
  transition: all var(--transition); text-decoration: none; white-space: nowrap;
}
.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--violet));
  color: #fff; padding: 14px 28px; box-shadow: 0 4px 24px var(--accent-glow); width: 100%; font-size: 1rem;
}
.btn--primary:hover { box-shadow: 0 6px 32px rgba(99,102,241,0.5); transform: translateY(-1px); }
.btn--secondary { background: var(--surface-2); border: 1px solid var(--border); color: var(--text-2); padding: 10px 18px; }
.btn--secondary:hover { border-color: var(--border-hover); color: var(--text-1); }
.btn--ghost { background: transparent; border: 1px solid var(--border); color: var(--text-2); padding: 8px 14px; font-size: 0.85rem; }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent-light); }
.btn--danger { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.25); color: var(--red); padding: 8px 14px; font-size: 0.85rem; }
.btn--danger:hover { background: rgba(239,68,68,0.18); border-color: rgba(239,68,68,0.4); }
.btn--sm { padding: 7px 14px; font-size: 0.82rem; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; pointer-events: none; }

/* ── Nav ────────────────────────────────────────────────────── */
.nav { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; border-bottom: 1px solid var(--border); }
.nav__logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text-1); font-weight: 700; font-size: 1.1rem; letter-spacing: -0.02em; }
.nav__logo-icon { width: 32px; height: 32px; background: linear-gradient(135deg, var(--accent), var(--violet)); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 16px; box-shadow: 0 0 16px var(--accent-glow); }
.nav__badge { font-size: 0.7rem; font-weight: 600; background: var(--surface-2); border: 1px solid var(--border); color: var(--text-2); padding: 3px 8px; border-radius: 99px; text-transform: uppercase; }

/* ── Hero ────────────────────────────────────────────────────── */
.hero { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 80px 20px 60px; gap: 40px; }
.hero__eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent-light); background: rgba(99, 102, 241, 0.1); border: 1px solid rgba(99, 102, 241, 0.2); border-radius: 99px; padding: 6px 14px; }
.hero__title { font-size: clamp(2.4rem, 6vw, 3.8rem); font-weight: 700; line-height: 1.1; letter-spacing: -0.04em; color: var(--text-1); }
.hero__title .gradient-text { background: linear-gradient(135deg, var(--accent-light), var(--violet)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero__subtitle { font-size: 1.1rem; color: var(--text-2); max-width: 440px; line-height: 1.7; }

/* ── Generate Card ───────────────────────────────────────────── */
.generate-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-xl); padding: 36px 32px; width: 100%; max-width: 560px; backdrop-filter: blur(20px); box-shadow: var(--shadow-glow), 0 1px 0 rgba(255,255,255,0.05) inset; transition: border-color var(--transition), box-shadow var(--transition); }
.generate-card:hover { border-color: var(--border-hover); box-shadow: 0 0 60px rgba(99, 102, 241, 0.2), 0 1px 0 rgba(255,255,255,0.06) inset; }
.email-result { display: flex; flex-direction: column; gap: 16px; }
.email-address-block { background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.email-address-text { font-family: 'JetBrains Mono', monospace; font-size: 0.95rem; font-weight: 500; color: var(--accent-light); word-break: break-all; flex: 1; }
.copy-btn { flex-shrink: 0; background: rgba(99,102,241,0.12); border: 1px solid rgba(99,102,241,0.25); color: var(--accent-light); border-radius: var(--radius-sm); padding: 7px 12px; font-size: 0.82rem; font-weight: 600; cursor: pointer; transition: all var(--transition); font-family: inherit; }
.copy-btn:hover { background: rgba(99,102,241,0.2); border-color: rgba(99,102,241,0.4); }
.copy-btn.copied { background: rgba(16,185,129,0.12); border-color: rgba(16,185,129,0.3); color: var(--green); }
.inbox-link { display: flex; align-items: center; gap: 10px; background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(139,92,246,0.06)); border: 1px solid rgba(99,102,241,0.2); border-radius: var(--radius); padding: 14px 18px; text-decoration: none; color: var(--text-1); font-weight: 500; font-size: 0.9rem; transition: all var(--transition); }
.inbox-link:hover { background: linear-gradient(135deg, rgba(99,102,241,0.14), rgba(139,92,246,0.10)); border-color: rgba(99,102,241,0.35); transform: translateX(2px); }
.inbox-link__icon { font-size: 1.2rem; }
.inbox-link__arrow { margin-left: auto; color: var(--text-3); transition: transform var(--transition); }
.inbox-link:hover .inbox-link__arrow { transform: translateX(3px); color: var(--accent-light); }

.features { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 8px; }
.feature-pill { display: flex; align-items: center; gap: 6px; background: var(--surface); border: 1px solid var(--border); border-radius: 99px; padding: 8px 16px; font-size: 0.82rem; color: var(--text-2); }
.footer { padding: 40px 0; text-align: center; color: var(--text-3); font-size: 0.85rem; border-top: 1px solid var(--border); margin-top: auto; }

/* ── Inbox Page ──────────────────────────────────────────────── */
.inbox-page { height: 100vh; overflow: hidden; }
.inbox-header { padding: 20px 0 16px; border-bottom: 1px solid var(--border); }
.inbox-header__top { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.inbox-header__title { font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-3); margin-bottom: 6px; }
.inbox-email { font-family: 'JetBrains Mono', monospace; font-size: 1.05rem; font-weight: 500; color: var(--accent-light); word-break: break-all; }
.inbox-header__actions { display: flex; gap: 8px; align-items: center; flex-shrink: 0; }
.inbox-meta { margin-top: 12px; display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }

.status-badge { display: inline-flex; align-items: center; gap: 6px; font-size: 0.78rem; font-weight: 600; padding: 4px 10px; border-radius: 99px; }
.status-badge--active { background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.25); color: var(--green); }
.status-badge--expired { background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.2); color: var(--red); }

.polling-badge { display: flex; align-items: center; gap: 6px; font-size: 0.78rem; color: var(--text-3); }
.polling-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: polling 1.5s infinite; }
@keyframes polling { 0%, 100% { opacity: 1; } 50% { opacity: 0.2; } }

.countdown { display: flex; align-items: center; gap: 8px; font-size: 0.83rem; color: var(--text-3); }
.countdown__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green-glow); animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(0.8); } }
.countdown.expiring-soon .countdown__dot { background: var(--yellow); }
.countdown.expired .countdown__dot { background: var(--red); animation: none; }

/* ── Two-Pane Layout ───────────────────────────────────────── */
.inbox-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 20px;
  height: 100%;
  overflow: hidden;
}

.inbox-pane-list {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: 100%;
}

.inbox-pane-preview {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: 100%;
}

@media (max-width: 1023px) {
  .inbox-layout { grid-template-columns: 320px 1fr; }
}
@media (max-width: 767px) {
  .inbox-layout { display: flex; flex-direction: column; }
  .inbox-pane-list { flex: 1; border-radius: var(--radius); }
  .inbox-pane-preview { flex: 1; position: absolute; inset: 0; background: var(--bg); border:none; border-radius:0; z-index: 10; padding: 16px; }
  .hidden-mobile { display: none !important; }
  .mobile-only { display: inline-flex !important; }
}
@media (min-width: 768px) {
  .mobile-only { display: none !important; }
}

.messages-header { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; background: var(--surface-2); }
.messages-header h2 { font-size: 0.9rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-2); display: flex; align-items: center; gap: 8px; margin: 0;}
.message-count { background: rgba(255,255,255,0.1); padding: 2px 8px; border-radius: 99px; font-size: 0.75rem; color: var(--text-1); }

.messages-list { flex: 1; overflow-y: auto; padding: 12px; display: flex; flex-direction: column; gap: 8px; }

.message-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
}
.message-item:hover { background: var(--surface-2); border-color: rgba(99,102,241,0.3); }
.message-item.selected { background: rgba(99, 102, 241, 0.1); border-color: var(--accent); }
.message-item--new { animation: slideIn 0.3s ease-out; border-color: var(--accent-light); }

.message-item__from { font-weight: 600; font-size: 0.9rem; color: var(--text-1); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.message-item__time { font-size: 0.75rem; color: var(--text-3); white-space: nowrap; }
.message-item__subject { font-size: 0.85rem; color: var(--text-1); margin-top: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.message-item__snippet { font-size: 0.8rem; color: var(--text-3); margin-top: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ── Preview Pane ──────────────────────────────────────────── */
.preview-empty { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--text-3); }
.preview-empty__icon { font-size: 3rem; opacity: 0.5; margin-bottom: 12px; }

.preview-content { display: flex; flex-direction: column; height: 100%; }
.preview-header { padding: 20px; border-bottom: 1px solid var(--border); flex-shrink: 0; background: var(--surface-2); }
.preview-subject { font-size: 1.2rem; font-weight: 600; color: var(--text-1); line-height: 1.4; margin-bottom: 12px; word-break: break-word; }

.preview-meta { display: flex; flex-direction: column; gap: 6px; font-size: 0.85rem; margin-bottom: 20px; }
.preview-meta-row { display: flex; gap: 8px; }
.meta-label { color: var(--text-3); min-width: 44px; }
.meta-value { color: var(--text-2); font-weight: 500; }

.preview-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin: 0 -20px -21px; padding: 0 20px; }
.preview-tab { padding: 8px 16px; background: transparent; border: 1px solid transparent; border-bottom: none; border-radius: var(--radius-sm) var(--radius-sm) 0 0; color: var(--text-3); cursor: pointer; font-weight: 500; font-size: 0.85rem; position: relative; top: 1px; }
.preview-tab:hover { color: var(--text-2); }
.preview-tab.active { background: var(--bg-card); border-color: var(--border); color: var(--accent-light); border-bottom-color: var(--bg-card); }

.preview-body { flex: 1; overflow: hidden; padding: 0; position: relative; background: #fff; }
.tab-panel { display: none; padding: 20px; background: var(--bg-card); color: var(--text-1); height: 100%; overflow: auto; }
.tab-panel.active { display: block; }
#tab-html.active { padding: 0; display: flex; background: #fff;}
.preview-iframe { width: 100%; height: 100%; border: none; flex: 1; }
.preview-text-body { font-family: 'Inter', sans-serif; font-size: 0.9rem; line-height: 1.6; white-space: pre-wrap; word-break: break-word; }
.preview-raw-body { font-family: 'JetBrains Mono', monospace; font-size: 0.8rem; line-height: 1.5; color: var(--text-2); white-space: pre-wrap; word-break: break-all; }
.headers-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.headers-table th, .headers-table td { padding: 8px 12px; border-bottom: 1px solid var(--border); text-align: left; }
.headers-table th { color: var(--text-3); font-weight: 500; width: 140px; white-space: nowrap; vertical-align: top; }
.headers-table td { color: var(--text-2); font-family: 'JetBrains Mono', monospace; font-size: 0.8rem; word-break: break-all; }

/* ── Modals ─────────────────────────────────────────────────── */
.modal-overlay { position: fixed; inset: 0; background: rgba(8, 11, 20, 0.85); backdrop-filter: blur(8px); z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 20px; animation: fadeIn 0.18s ease; }
.modal { background: var(--bg-2); border: 1px solid var(--border-hover); border-radius: var(--radius-xl); width: 100%; max-width: 680px; box-shadow: 0 24px 80px rgba(0,0,0,0.6); animation: slideUp 0.22s cubic-bezier(0.34, 1.56, 0.64, 1); display: flex; flex-direction: column; overflow: hidden; }
.modal__header { padding: 20px 24px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.modal__subject { font-size: 1.1rem; font-weight: 600; color: var(--text-1); margin: 0; }
.modal__close { background: var(--surface-2); border: 1px solid var(--border); color: var(--text-2); width: 32px; height: 32px; border-radius: var(--radius-sm); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all var(--transition); }
.modal__close:hover { background: var(--surface-2); color: var(--text-1); border-color: var(--border-hover); }

/* ── Spinners & Alerts ──────────────────────────────────────── */
.spinner { border: 2px solid rgba(255,255,255,0.1); border-top-color: var(--accent-light); border-radius: 50%; width: 24px; height: 24px; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading-row { display: flex; align-items: center; justify-content: center; gap: 12px; color: var(--text-3); font-size: 0.9rem; margin: 40px 0; }

.alert { display: flex; align-items: flex-start; gap: 12px; padding: 14px 18px; border-radius: var(--radius); font-size: 0.88rem; line-height: 1.5; margin-bottom: 16px; }
.alert--error { background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.2); color: #fca5a5; }

/* Animations */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(16px) scale(0.97); } to { opacity: 1; transform: translateY(0) scale(1); } }