/* Simixin PC Web UI — aligned with UI-design-spec-web.md v2.1 */

:root {
  --primary-dark: #be123c;
  --primary-soft: #ffe4e6;
  --primary-border: #fecdd3;
  --primary-glow: rgba(225, 29, 72, 0.14);
  --bg-surface: var(--bg-card);
  --bg-muted: #fff7f8;
  --success-soft: #ecfdf5;
  --warning-soft: #fffbeb;
  --shadow-xs: 0 1px 3px rgba(225, 29, 72, 0.06);
  --shadow-sm: 0 4px 16px rgba(225, 29, 72, 0.08);
  --shadow-md: 0 12px 32px rgba(225, 29, 72, 0.1);
  --shadow-lg: 0 24px 48px rgba(225, 29, 72, 0.12);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --topnav-h: 64px;
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --font: "Nunito Sans", "PingFang SC", -apple-system, "Segoe UI", sans-serif;
}

[data-theme="stellar"] {
  --primary-soft: rgba(99, 102, 241, 0.12);
  --primary-border: rgba(129, 140, 248, 0.35);
  --primary-glow: rgba(99, 102, 241, 0.12);
  --bg-muted: #12121a;
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 24px 48px rgba(0, 0, 0, 0.45);
}

[data-theme="daylight"] {
  --primary-soft: #eef2ff;
  --primary-border: #c7d2fe;
  --primary-glow: rgba(79, 70, 229, 0.12);
  --bg-muted: #f8fafc;
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 12px 32px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 48px rgba(15, 23, 42, 0.1);
}

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

body {
  font-family: var(--font);
  background: var(--bg-app);
  color: var(--text);
  font-size: 14px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

button, input, select, textarea { font-family: inherit; }
button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--primary-light);
  outline-offset: 2px;
}

.hidden { display: none !important; }

/* ── Buttons ── */
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(225, 29, 72, 0.28);
  transition: filter var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover { filter: brightness(1.04); box-shadow: 0 8px 24px rgba(225, 29, 72, 0.34); }
.btn-primary:active { transform: translateY(1px); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-ghost {
  background: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.btn-ghost:hover { border-color: var(--primary-border); color: var(--primary); background: var(--primary-soft); }

.btn-text {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
}
.btn-text:hover { color: var(--primary-dark); }

.btn-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.btn-icon:hover { border-color: var(--primary-border); color: var(--primary); background: var(--primary-soft); }

.btn-pro-pill {
  padding: 8px 14px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(225, 29, 72, 0.32);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.btn-pro-pill:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(225, 29, 72, 0.38); }

/* ── W0 / Auth pages ── */
.auth-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(165deg, #ffffff 0%, var(--bg-app) 42%, var(--primary-soft) 100%);
  overflow-y: auto;
}
[data-theme="stellar"] .auth-page {
  background: linear-gradient(165deg, #12121a 0%, #0f0f14 100%);
}

.marketing-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  flex-shrink: 0;
}
.marketing-nav-brand,
button.marketing-nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  cursor: pointer;
  border: none;
  background: transparent;
  font-family: inherit;
  padding: 0;
  transition: opacity var(--transition);
}
button.marketing-nav-brand:hover { opacity: 0.82; }
.marketing-nav-brand span {
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.marketing-hero {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 24px 48px 48px;
  max-width: 1180px;
  margin: 0 auto;
  width: 100%;
}
.marketing-hero h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 18px;
}
.marketing-hero h1 em { font-style: normal; color: var(--primary); }
.marketing-hero .lead {
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 28px;
  max-width: 480px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 32px;
}
.feature-card {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-xs);
}
[data-theme="stellar"] .feature-card { background: rgba(18, 18, 26, 0.82); }
.feature-card strong {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  margin-bottom: 4px;
  color: var(--text);
}
.feature-card span { font-size: 12px; color: var(--text-muted); line-height: 1.5; }

.hero-visual {
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--bg-surface);
}
.hero-visual-chrome {
  height: 40px;
  background: var(--bg-muted);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 6px;
}
.hero-visual-chrome i { width: 10px; height: 10px; border-radius: 999px; display: block; }
.hero-visual-chrome i:nth-child(1) { background: #fca5a5; }
.hero-visual-chrome i:nth-child(2) { background: #fcd34d; }
.hero-visual-chrome i:nth-child(3) { background: #86efac; }
.hero-visual-body { padding: 20px; background: var(--bg-app); min-height: 280px; }

.marketing-footer {
  text-align: center;
  padding: 24px;
  font-size: 11px;
  color: var(--text-muted);
}

.login-center {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}
.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  box-shadow: var(--shadow-md);
}
.login-card-head { text-align: center; margin-bottom: 28px; }
.login-card-head .title {
  font-size: 24px;
  font-weight: 800;
  margin-top: 16px;
  letter-spacing: -0.02em;
  color: var(--text);
}
.login-card-head .slogan { font-size: 14px; color: var(--text-muted); margin-top: 8px; }
.login-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 22px 0;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
}
.login-divider::before, .login-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}
.login-footer { text-align: center; margin-top: 24px; font-size: 11px; color: var(--text-muted); }

.field-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.field-input {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text);
  font-size: 15px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.field-input:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 4px var(--primary-glow);
  outline: none;
}

.qr-box, .qr-login-box {
  width: 200px;
  height: 200px;
  margin: 0 auto 16px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.qr-box canvas, .qr-login-box canvas { max-width: 100%; max-height: 100%; }

/* ── App shell (v2 top nav) ── */
.web-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--bg-app);
}

.web-topnav {
  height: var(--topnav-h);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  padding: 0 28px;
  gap: 24px;
  flex-shrink: 0;
}
[data-theme="stellar"] .web-topnav { background: #12121a; }

.web-topnav-brand,
button.web-topnav-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  flex-shrink: 0;
  cursor: pointer;
  border: none;
  background: transparent;
  font-family: inherit;
  padding: 0;
  transition: opacity var(--transition);
}
button.web-topnav-brand:hover { opacity: 0.82; }

.web-topnav-tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  min-width: 0;
}
.web-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  font-family: inherit;
}
.web-tab:hover { background: var(--bg-muted); color: var(--text); }
.web-tab.active {
  background: var(--primary-soft);
  color: var(--primary);
  box-shadow: inset 0 0 0 1px var(--primary-border);
}
[data-theme="stellar"] .web-tab.active { color: var(--primary-light); }

.web-topnav-right {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  flex-shrink: 0;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 6px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-surface);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: border-color var(--transition);
  font-family: inherit;
}
.user-chip:hover { border-color: var(--primary-border); }
.user-avatar {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.web-main-scroll { flex: 1; overflow-y: auto; padding: 32px 40px; }
.web-main-inner { max-width: 1040px; margin: 0 auto; }
.web-main-inner.wide { max-width: 1120px; }

.page-head { margin-bottom: 24px; }
.page-head h1 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 6px;
}
.page-head p { font-size: 15px; color: var(--text-secondary); }

/* ── Cards & composer ── */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  box-shadow: var(--shadow-xs);
}
[data-theme="stellar"] .card { background: #12121a; }
.card-flat { box-shadow: none; }

.composer-layout { display: grid; grid-template-columns: 1fr 300px; gap: 24px; align-items: start; }
.composer-editor {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-xs);
}
.composer-editor:focus-within { border-color: var(--primary-light); box-shadow: 0 0 0 4px var(--primary-glow); }
.composer-editor.error { border-color: #fca5a5; box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1); }
.composer-textarea {
  width: 100%;
  min-height: 200px;
  padding: 20px 22px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  border: none;
  background: transparent;
  resize: vertical;
  font-family: inherit;
}
.composer-textarea:focus { outline: none; }
.composer-textarea::placeholder { color: var(--text-muted); }

.composer-toolbar {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 14px;
  border-top: 1px solid var(--border);
  background: var(--bg-muted);
}
.toolbar-btn {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition);
}
.toolbar-btn:hover { background: var(--primary-soft); color: var(--primary); }
.toolbar-btn.disabled { opacity: 0.4; cursor: not-allowed; }
.char-count { margin-left: auto; font-size: 12px; color: var(--text-muted); font-variant-numeric: tabular-nums; }

.quota-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 20px;
  margin-bottom: 24px;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
}
.quota-bar {
  height: 6px;
  background: var(--bg-chip);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 8px;
  width: 200px;
}
.quota-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  border-radius: 999px;
  transition: width 0.2s;
}
.stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--success-soft);
  color: var(--success);
  font-size: 12px;
  font-weight: 700;
}

/* ── Share ── */
.share-layout { max-width: 720px; margin: 0 auto; }
.share-success {
  text-align: center;
  padding: 28px;
  margin-bottom: 24px;
  border-radius: var(--radius-lg);
  background: var(--success-soft);
  border: 1px solid #a7f3d0;
}
.share-success-icon {
  width: 52px;
  height: 52px;
  border-radius: 999px;
  background: #fff;
  color: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  box-shadow: var(--shadow-sm);
}
.share-grid { display: grid; grid-template-columns: 1fr 180px; gap: 20px; align-items: start; }
.link-box {
  font-family: ui-monospace, monospace;
  font-size: 14px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-muted);
  border: 1px solid var(--border);
  color: var(--text);
  word-break: break-all;
  margin-bottom: 14px;
}
.qr-sm {
  width: 160px;
  height: 160px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px;
  margin: 0 auto 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.info-tip {
  font-size: 13px;
  color: var(--text-secondary);
  background: var(--primary-soft);
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  line-height: 1.6;
  margin-top: 20px;
}
.inline-error { font-size: 13px; color: var(--error); margin-top: 10px; font-weight: 600; }
.inline-success {
  font-size: 13px;
  color: var(--success);
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-weight: 600;
}

/* ── Table & badges ── */
table.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data-table th {
  text-align: left;
  padding: 12px 16px;
  color: var(--text-muted);
  font-weight: 700;
  font-size: 12px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-muted);
}
table.data-table td { padding: 16px; border-bottom: 1px solid var(--border); color: var(--text); }
table.data-table tbody tr { cursor: pointer; transition: background var(--transition); }
table.data-table tbody tr:hover { background: var(--primary-soft); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 999px; background: currentColor; }
.badge-pending { background: var(--primary-soft); color: var(--primary-dark); }
.badge-read { background: var(--success-soft); color: var(--success); }
.badge-expired, .badge-revoked { background: var(--bg-chip); color: var(--text-muted); }
.badge-pro { background: var(--primary-soft); color: var(--primary); }
.badge-pro::before { display: none; }
[data-theme="stellar"] .badge-pending { background: rgba(99, 102, 241, 0.15); color: #a5b4fc; }

/* ── Settings ── */
.settings-list {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-surface);
  max-width: 560px;
}
.settings-row {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  transition: background var(--transition);
}
.settings-row:hover { background: var(--bg-muted); }
.settings-row:last-child { border-bottom: none; }
.settings-row.danger { color: var(--error); }

.theme-card {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.theme-card.selected { border-color: var(--primary); background: var(--primary-soft); }

.empty-state {
  text-align: center;
  padding: 64px 24px;
  background: var(--bg-surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
}
.empty-illus {
  width: 72px;
  height: 72px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
}

/* ── Overlays ── */
.overlay-root { position: fixed; inset: 0; z-index: 100; pointer-events: none; }
.modal-overlay, .drawer-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(8px);
  pointer-events: auto;
  padding: 24px;
}
.drawer-overlay { justify-content: flex-end; background: rgba(15, 23, 42, 0.25); backdrop-filter: blur(4px); }
.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  width: 100%;
  max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
[data-theme="stellar"] .modal { background: #1a1a24; }
.drawer {
  width: 400px;
  max-width: 100%;
  background: var(--bg-surface);
  border-left: 1px solid var(--border);
  padding: 28px;
  overflow-y: auto;
  height: 100%;
  box-shadow: var(--shadow-lg);
}
[data-theme="stellar"] .drawer { background: #1a1a24; }

.loading-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  gap: 16px;
  color: var(--text-secondary);
}
.spinner {
  width: 44px;
  height: 44px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 999px;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.narrow-banner {
  background: var(--warning-soft);
  border-bottom: 1px solid rgba(245, 158, 11, 0.35);
  color: var(--warning);
  padding: 10px 16px;
  text-align: center;
  font-size: 13px;
}

.pay-tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.pay-tabs button { flex: 1; }

.segment {
  display: inline-flex;
  background: var(--bg-chip);
  border-radius: 8px;
  padding: 2px;
}
.segment button {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  font-family: inherit;
}
.segment button.active { background: var(--bg-surface); color: var(--text); font-weight: 600; }

@media (max-width: 1023px) {
  .web-shell { display: none; }
  .marketing-hero { grid-template-columns: 1fr; padding: 24px; }
  .marketing-hero h1 { font-size: 32px; }
  .feature-grid { grid-template-columns: 1fr; }
  .marketing-nav { padding: 16px 24px; }
  .hero-visual { display: none; }
}

@media (min-width: 1024px) {
  #narrowBanner { display: none; }
}

@media (max-width: 900px) {
  .composer-layout { grid-template-columns: 1fr; }
  .share-grid { grid-template-columns: 1fr; }
}