/* ─── Design tokens (match landing page) ───────────────────────────────────── */
:root {
  --bg: #0a0a0c;
  --bg-elevated: #131318;
  --bg-card: #1a1a22;
  --bg-card-hover: #1f1f2a;
  --fg: #e8e6e3;
  --fg-muted: #8a8892;
  --fg-dim: #555460;
  --accent: #e8a441;
  --accent-dim: rgba(232, 164, 65, 0.12);
  --accent-glow: rgba(232, 164, 65, 0.25);
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.1);
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --red: #e85151;
  --red-dim: rgba(232, 81, 81, 0.12);
  --yellow: #e8c241;
  --yellow-dim: rgba(232, 194, 65, 0.12);
  --green: #4caf7d;
  --green-dim: rgba(76, 175, 125, 0.12);
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─── Topbar ───────────────────────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 0 24px;
  height: 56px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--fg);
}

.logo-icon {
  font-size: 18px;
  color: var(--accent);
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.topbar-nav {
  display: flex;
  gap: 4px;
}

.nav-link {
  text-decoration: none;
  color: var(--fg-muted);
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 8px;
  transition: color 0.15s, background 0.15s;
}

.nav-link:hover { color: var(--fg); background: var(--accent-dim); }
.nav-link--active { color: var(--accent); background: var(--accent-dim); }

.topbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.status-label {
  font-size: 12px;
  color: var(--fg-muted);
  font-family: var(--font-display);
  letter-spacing: 0.04em;
}

/* ─── Stats bar ────────────────────────────────────────────────────────────── */
.stats-bar {
  display: flex;
  gap: 1px;
  background: var(--border);
  border-bottom: 1px solid var(--border);
}

.stat-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 16px;
  background: var(--bg-elevated);
  gap: 4px;
  transition: background 0.15s;
}

.stat-card:hover { background: var(--bg-card); }

.stat-card--urgent .stat-card-value { color: var(--red); }

.stat-card-value {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.02em;
  line-height: 1;
}

.stat-card-label {
  font-size: 12px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-family: var(--font-display);
}

/* ─── Main layout ──────────────────────────────────────────────────────────── */
.inbox-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  height: calc(100vh - 56px - 81px); /* topbar + stats */
  overflow: hidden;
}

/* ─── Email list panel ─────────────────────────────────────────────────────── */
.email-list-panel {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  background: var(--bg-elevated);
  overflow: hidden;
}

.panel-header {
  padding: 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.panel-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.filter-tabs {
  display: flex;
  gap: 4px;
}

.filter-tab {
  font-family: var(--font-body);
  font-size: 13px;
  padding: 5px 12px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--fg-muted);
  cursor: pointer;
  transition: all 0.15s;
}

.filter-tab:hover { border-color: var(--border-hover); color: var(--fg); }
.filter-tab--active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.email-list {
  flex: 1;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.loading-state {
  padding: 40px 16px;
  text-align: center;
  color: var(--fg-dim);
  font-size: 14px;
}

.loading-state.error { color: var(--red); }

/* ─── Email items ──────────────────────────────────────────────────────────── */
.email-item {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.12s;
  position: relative;
}

.email-item:hover { background: var(--bg-card-hover); }
.email-item--active { background: var(--bg-card) !important; }
.email-item--replied { opacity: 0.65; }

/* Unread indicator — left border */
.email-item--unread {
  border-left: 2px solid var(--accent);
}
.email-item:not(.email-item--unread) {
  border-left: 2px solid transparent;
}

.email-item-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 3px;
}

.email-from {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--fg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

.email-item--unread .email-from { color: #fff; }

.email-time {
  font-size: 11px;
  color: var(--fg-dim);
  flex-shrink: 0;
}

.email-subject {
  font-size: 13px;
  color: var(--fg-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}

.email-item--unread .email-subject { color: var(--fg); }

.email-preview {
  font-size: 12px;
  color: var(--fg-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 8px;
}

.email-item-footer {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* ─── Badges ───────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 100px;
}

.badge--urgent { background: var(--red-dim); color: var(--red); }
.badge--followup { background: var(--yellow-dim); color: var(--yellow); }
.badge--low { background: rgba(255,255,255,0.06); color: var(--fg-dim); }
.badge--sent { background: var(--green-dim); color: var(--green); }

/* ─── Email detail panel ───────────────────────────────────────────────────── */
.email-detail-panel {
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  background: var(--bg);
}

/* Empty state */
.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 60px 40px;
  height: 100%;
}

.empty-icon {
  font-size: 48px;
  opacity: 0.15;
  margin-bottom: 8px;
}

.empty-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--fg-muted);
}

.empty-sub {
  font-size: 14px;
  color: var(--fg-dim);
  text-align: center;
  max-width: 340px;
  line-height: 1.7;
}

.detail-loading {
  padding: 60px;
  text-align: center;
  color: var(--fg-dim);
  font-size: 14px;
}

/* Detail header */
.detail-header {
  padding: 28px 32px 24px;
  border-bottom: 1px solid var(--border);
}

.detail-meta-row {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.detail-subject {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--fg);
  line-height: 1.3;
  margin-bottom: 20px;
}

.detail-from {
  display: flex;
  align-items: center;
  gap: 12px;
}

.from-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.from-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
  flex: 1;
}

.from-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--fg);
}

.from-email {
  font-size: 12px;
  color: var(--fg-dim);
}

.detail-time {
  font-size: 12px;
  color: var(--fg-dim);
  flex-shrink: 0;
}

/* Detail body */
.detail-body {
  padding: 28px 32px;
  flex: 1;
  border-bottom: 1px solid var(--border);
}

.email-body-text {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--fg);
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* Reply section */
.reply-section {
  padding: 24px 32px 32px;
}

.reply-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.reply-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.reply-actions { display: flex; gap: 8px; }

.reply-textarea {
  width: 100%;
  min-height: 160px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg);
  resize: vertical;
  outline: none;
  transition: border-color 0.15s;
  margin-bottom: 14px;
}

.reply-textarea:focus {
  border-color: var(--accent);
}

.reply-textarea::placeholder {
  color: var(--fg-dim);
}

.reply-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ─── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  padding: 9px 18px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

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

.btn--primary {
  background: var(--accent);
  color: #0a0a0c;
}

.btn--primary:not(:disabled):hover {
  background: #f0b050;
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn--ghost {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(232, 164, 65, 0.2);
}

.btn--ghost:not(:disabled):hover {
  background: rgba(232, 164, 65, 0.2);
  border-color: var(--accent);
}

.btn--sm { font-size: 13px; padding: 7px 14px; }

.btn-icon {
  font-size: 13px;
  line-height: 1;
}

.btn-icon.spin { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Scrollbar ────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }