/* ────────────────────────────────────────────────────────────
   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;
  --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;
}

/* ── Animated gradient background ─────────────────────────── */
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;
}

/* ── Layout ────────────────────────────────────────────────── */
.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: 960px;
}

/* ── 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;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ── Hero Section ──────────────────────────────────────────── */
.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 Section ──────────────────────────────────────── */
.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;
}

/* ── Buttons ────────────────────────────────────────────────── */
.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;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition);
}

.btn:hover::after { background: rgba(255,255,255,0.06); }
.btn:active { transform: scale(0.97); }

.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; }

/* ── Email Display ──────────────────────────────────────────── */
.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);
}

/* ── Countdown ──────────────────────────────────────────────── */
.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; }

/* ── Inbox Link ─────────────────────────────────────────────── */
.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 Row ───────────────────────────────────────────── */
.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);
}

/* ── Inbox Page Layout ──────────────────────────────────────── */
.inbox-header {
  padding: 28px 0 20px;
  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 ───────────────────────────────────────────── */
.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 indicator ──────────────────────────────────────── */
.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; }
}

/* ── Message List ───────────────────────────────────────────── */
.messages-section { margin-top: 24px; }

.messages-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.messages-header h2 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-3);
}

.message-count {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 9px;
  color: var(--text-2);
}

.messages-list { display: flex; flex-direction: column; gap: 8px; }

.message-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  cursor: pointer;
  transition: all var(--transition);
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 4px 12px;
}

.message-item:hover {
  background: var(--surface-2);
  border-color: rgba(99,102,241,0.3);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.message-item--new {
  border-color: rgba(99,102,241,0.35);
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.message-item__from {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-1);
  grid-column: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.message-item__time {
  font-size: 0.78rem;
  color: var(--text-3);
  grid-column: 2;
  grid-row: 1;
  white-space: nowrap;
  text-align: right;
}

.message-item__subject {
  font-size: 0.85rem;
  color: var(--text-2);
  grid-column: 1 / -1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Empty State ────────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 64px 24px;
  gap: 16px;
}

.empty-state__icon {
  font-size: 3rem;
  opacity: 0.4;
}

.empty-state__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-2);
}

.empty-state__desc {
  font-size: 0.85rem;
  color: var(--text-3);
  max-width: 320px;
  line-height: 1.6;
}

/* ── Message Modal ──────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 11, 20, 0.85);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.18s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal {
  background: var(--bg-2);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
  animation: slideUp 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

.modal__header {
  padding: 22px 24px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-shrink: 0;
}

.modal__subject {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-1);
  line-height: 1.4;
}

.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;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
}

.modal__close:hover { background: var(--surface-2); color: var(--text-1); border-color: var(--border-hover); }

.modal__meta {
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-shrink: 0;
}

.modal__meta-row {
  display: flex;
  gap: 8px;
  font-size: 0.83rem;
}

.modal__meta-label {
  color: var(--text-3);
  font-weight: 500;
  min-width: 48px;
}

.modal__meta-value { color: var(--text-2); word-break: break-all; }

.modal__tabs {
  display: flex;
  gap: 4px;
  padding: 12px 24px 0;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
}

.modal__tab {
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  border: 1px solid transparent;
  border-bottom: none;
  cursor: pointer;
  background: transparent;
  color: var(--text-3);
  transition: all var(--transition);
  position: relative;
  bottom: -1px;
}

.modal__tab:hover { color: var(--text-2); }

.modal__tab.active {
  background: var(--bg-2);
  border-color: var(--border);
  border-bottom-color: var(--bg-2);
  color: var(--accent-light);
}

.modal__body {
  padding: 20px 24px;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}

.modal__text-body {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--text-2);
  white-space: pre-wrap;
  word-break: break-word;
}

.modal__html-iframe {
  width: 100%;
  min-height: 320px;
  border: none;
  border-radius: var(--radius-sm);
  background: #fff;
}

.modal__raw-body {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--text-3);
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 360px;
  overflow-y: auto;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Error / Alert banner ───────────────────────────────────── */
.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-top: 16px;
}

.alert--error {
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.2);
  color: #fca5a5;
}

.alert--info {
  background: rgba(99,102,241,0.08);
  border: 1px solid rgba(99,102,241,0.2);
  color: var(--accent-light);
}

/* ── Loading Spinner ────────────────────────────────────────── */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.15);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

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

.loading-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 48px 24px;
  color: var(--text-3);
  font-size: 0.9rem;
}

/* ── Footer ─────────────────────────────────────────────────── */
.footer {
  text-align: center;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-3);
  margin-top: auto;
}

/* ── Utility ────────────────────────────────────────────────── */
.hidden { display: none !important; }
.mt-4 { margin-top: 16px; }
.mt-2 { margin-top: 8px; }
.text-muted { color: var(--text-3); font-size: 0.85rem; }
.divider { height: 1px; background: var(--border); margin: 20px 0; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 540px) {
  .hero { padding: 52px 16px 40px; }
  .generate-card { padding: 24px 18px; }
  .modal { border-radius: var(--radius-lg); }
  .modal__header { padding: 18px 18px 14px; }
  .modal__meta { padding: 12px 18px; }
  .modal__body { padding: 16px 18px; }
  .modal__tabs { padding: 10px 18px 0; }
  .inbox-header__top { flex-direction: column; }
}