/* ===================================================================
   StudioRun v0 — app/app.css
   Pulled from mockup/styles.css + mockup/mockup.css, trimmed to what
   wizard + dashboard stub actually use. Mockup remains untouched as
   the interview demo (see production-architecture.md §3.2).
   =================================================================== */

/* ============ Tokens ============ */
:root {
  --font-sans: 'PingFang TC', 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'Source Serif Pro', 'PingFang TC', Georgia, serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;

  --ink:        #1F1B16;
  --ink-soft:   #4A4138;
  --muted:      #8A7F73;
  --paper:      #FAF6EF;
  --paper-soft: #F2ECE2;
  --line:       #D9D0C2;
  --line-soft:  #E8E1D2;

  --clay:       #B86A4B;
  --clay-deep:  #8C4A2F;
  --clay-wash:  #F4E0D5;
  --sage:       #7A8B5A;
  --sage-soft:  #C8D2B0;
  --sage-wash:  #E8EED8;
  --amber:      #D4A65A;
  --amber-wash: #F4E8C8;
  --rose:       #B85A6A;
  --rose-wash:  #F4D5DC;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
}
a { color: var(--clay); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ============ Wizard nav ============ */
.wizard-nav {
  background: var(--ink); color: var(--paper);
  padding: 10px 20px; display: flex; align-items: center; gap: 16px;
  font-family: var(--font-mono); font-size: 11px;
}
.wizard-nav .brand {
  font-family: var(--font-display); font-size: 16px; font-weight: 500;
  margin-right: 12px; letter-spacing: -0.01em;
}
.wizard-nav .wizard-step {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.14em; color: var(--sage-soft);
}
.wizard-nav .wizard-actions { margin-left: auto; display: flex; gap: 14px; }
.wizard-nav .wizard-actions a {
  color: var(--sage-soft); font-family: var(--font-mono); font-size: 10px;
  text-decoration: none; letter-spacing: 0.1em;
}
.wizard-nav .wizard-actions a:hover { color: var(--paper); }

.wizard-progress { height: 3px; background: var(--paper-soft); position: relative; }
.wizard-progress-bar { height: 100%; background: var(--clay); transition: width 0.3s ease-out; }

.wizard-main { max-width: 720px; margin: 0 auto; padding: 40px 24px 80px; }
.wizard-card { background: #fff; border: 1px solid var(--line); padding: 36px 40px; }
.wizard-card-header { margin-bottom: 28px; }
.wizard-card-header .step-label {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--clay); margin: 0 0 6px;
}
.wizard-card-header h1 {
  font-family: var(--font-display); font-size: 28px; font-weight: 500;
  letter-spacing: -0.015em; color: var(--ink); margin: 0 0 8px;
}
.wizard-card-header .step-sub {
  font-family: var(--font-sans); font-size: 14px; color: var(--ink-soft);
  line-height: 1.5; margin: 0;
}
.wizard-card-body { margin-bottom: 32px; }
.wizard-card-actions {
  display: flex; gap: 14px; align-items: center;
  padding-top: 24px; border-top: 1px solid var(--line-soft);
}
.wizard-card-actions .spacer { flex: 1; }
.wizard-back, .wizard-skip {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted); text-decoration: none;
}
.wizard-skip { padding: 8px 14px; border: 1px dashed var(--line); cursor: pointer; background: transparent; }
.wizard-skip:hover { color: var(--ink); border-color: var(--ink); }

/* ============ Buttons ============ */
.btn {
  padding: 8px 14px; font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.14em; text-transform: uppercase;
  border: 1px solid var(--ink); cursor: pointer;
  background: var(--paper); color: var(--ink);
}
.btn.primary { background: var(--clay); color: var(--paper); border-color: var(--clay); }
.btn.primary.ink { background: var(--ink); color: var(--paper); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ============ Wizard option cards ============ */
.opt-list { display: flex; flex-direction: column; gap: 10px; }
.opt-card {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px 18px; border: 1px solid var(--line); background: var(--paper);
  cursor: pointer; transition: all 0.15s;
}
.opt-card:hover { border-color: var(--ink-soft); background: #fff; }
.opt-card.selected { border-color: var(--clay); background: var(--clay-wash); }
.opt-card .opt-dot {
  width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--line);
  background: #fff; flex-shrink: 0; margin-top: 2px;
}
.opt-card.selected .opt-dot {
  border-color: var(--clay); background: var(--clay);
  box-shadow: inset 0 0 0 3px #fff;
}
.opt-card .opt-text { flex: 1; }
.opt-card .opt-title { font-size: 14px; font-weight: 500; color: var(--ink); margin: 0 0 2px; }
.opt-card .opt-sub { font-size: 12px; color: var(--ink-soft); line-height: 1.45; margin: 0; }

/* ============ Form fields ============ */
.w-field { margin-bottom: 18px; }
.w-field label {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted); display: block; margin-bottom: 6px;
}
.w-field input, .w-field select, .w-field textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line);
  background: var(--paper); font-family: var(--font-sans); font-size: 14px;
  color: var(--ink); box-sizing: border-box;
}
.w-field input:focus, .w-field select:focus, .w-field textarea:focus {
  outline: none; border-color: var(--clay);
}
.w-field .helper { font-family: var(--font-mono); font-size: 10px; color: var(--muted); margin-top: 4px; }
.w-field .helper.error { color: var(--rose); }
.w-field .helper.success { color: #4A5A38; }
.w-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ============ Sub blocks ============ */
.wizard-sub {
  margin-top: 18px; padding: 16px 18px;
  background: var(--paper-soft); border-left: 3px solid var(--sage);
  display: none;
}
.wizard-sub.show { display: block; }
.wizard-sub h4 {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--muted); margin: 0 0 8px;
}

/* ============ Dashboard stub ============ */
.topnav {
  background: var(--ink); color: var(--paper); padding: 10px 20px;
  display: flex; align-items: center; gap: 16px;
  font-family: var(--font-mono); font-size: 11px;
}
.topnav .brand {
  font-family: var(--font-display); font-size: 16px; font-weight: 500;
  margin-right: 12px; letter-spacing: -0.01em;
  display: inline-flex; flex-direction: column; line-height: 1.05;
}
.topnav .brand .brand-main {
  font-family: var(--font-display); font-size: 15px;
  max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.topnav .brand .brand-sub {
  font-family: var(--font-mono); font-size: 9px;
  letter-spacing: 0.18em; color: var(--sage-soft); margin-top: 1px;
}
.topnav .account { margin-left: auto; color: var(--sage-soft); font-size: 10px; }

/* Canonical page wrapper — owner-visible 主操作頁一律用這個。
   寬版（1280）= dashboard / 列表 / 表格頁；窄版（880）= 表單流。 */
.page-shell { max-width: 1280px; margin: 0 auto; padding: 24px; }
.page-shell--narrow { max-width: 880px; }

.setup-banner {
  background: var(--amber-wash); border-left: 3px solid var(--amber);
  padding: 12px 16px; margin: 16px 16px 0;
  display: flex; align-items: center; gap: 14px;
}
.setup-banner .sb-body { flex: 1; font-size: 13px; color: var(--ink); }
.setup-banner .sb-title { font-weight: 600; }
.setup-banner .sb-cta {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase; padding: 6px 12px;
  background: var(--ink); color: var(--paper); text-decoration: none;
}

.dashboard-empty {
  margin: 32px 16px; padding: 32px; background: #fff; border: 1px solid var(--line);
  text-align: center; color: var(--ink-soft);
}
.dashboard-empty h2 {
  font-family: var(--font-display); font-size: 22px; font-weight: 500;
  color: var(--ink); margin: 0 0 8px;
}

/* ============ Login page ============ */
.login-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.login-card { background: #fff; border: 1px solid var(--line); padding: 36px 40px; max-width: 360px; width: 100%; }
.login-card h1 { font-family: var(--font-display); font-size: 22px; font-weight: 500; margin: 0 0 24px; }
.login-err { color: var(--rose); font-family: var(--font-mono); font-size: 11px; margin-top: 10px; min-height: 16px; }

/* ============ Responsive ============ */
@media (max-width: 767px) {
  .wizard-card { padding: 24px 20px; }
  .w-row { grid-template-columns: 1fr; }
}

/* ============ Plans / Students pages (M2) ============ */

/* Topnav nav-items (Plan 2 brand-only; M2 adds links) */
.topnav .nav-item {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--muted);
  padding: 6px 10px; margin-right: 4px; text-decoration: none; cursor: pointer;
}
.topnav .nav-item:hover { color: var(--ink); }
.topnav .nav-item.active { color: var(--clay); border-bottom: 1px solid var(--clay); }

/* ============ Topnav new elements (2026-06-11 redesign) ============ */
.topnav .bell-btn {
  margin-left: auto;
  background: transparent; border: none; padding: 6px 8px;
  color: var(--sage-soft); cursor: pointer; position: relative;
  display: inline-flex; align-items: center;
}
.topnav .bell-btn:hover { color: var(--paper); }
.topnav .bell-btn svg { width: 18px; height: 18px; stroke-width: 1.5; }
.topnav .bell-btn .bell-badge {
  position: absolute; top: 0; right: 0;
  background: var(--clay); color: var(--paper);
  font-family: var(--font-mono); font-size: 9px;
  min-width: 14px; height: 14px; padding: 0 3px;
  border-radius: 7px; display: flex; align-items: center; justify-content: center;
}

.topnav .account-menu {
  position: relative; margin-left: 6px;
}
.topnav .account-menu .acct-trigger {
  background: transparent; border: none; color: var(--sage-soft);
  font-family: var(--font-mono); font-size: 11px; cursor: pointer;
  padding: 6px 8px;
}
.topnav .account-menu .acct-trigger:hover { color: var(--paper); }
.topnav .account-menu .acct-dropdown {
  position: absolute; top: calc(100% + 4px); right: 0;
  background: var(--paper); border: 1px solid var(--line);
  min-width: 160px; z-index: 50; display: none;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.topnav .account-menu.open .acct-dropdown { display: block; }
.topnav .account-menu .acct-dropdown a {
  display: block; padding: 10px 14px; color: var(--ink);
  font-family: var(--font-mono); font-size: 11px;
  text-decoration: none; border-bottom: 1px solid var(--line-soft);
}
.topnav .account-menu .acct-dropdown a:last-child { border-bottom: none; }
.topnav .account-menu .acct-dropdown a:hover { background: var(--paper-soft); }

/* Bell panel — fixed right-side dropdown */
.bell-panel {
  position: fixed; top: 44px; right: 16px; width: 360px; max-height: 480px;
  background: var(--paper); border: 1px solid var(--line);
  box-shadow: 0 6px 20px rgba(0,0,0,0.1); z-index: 60;
  display: none; overflow-y: auto;
}
.bell-panel.open { display: block; }
.bell-panel h3 {
  font-family: var(--font-display); font-size: 14px; font-weight: 500;
  margin: 0; padding: 12px 16px; border-bottom: 1px solid var(--line-soft);
}
.bell-panel ul { list-style: none; padding: 0; margin: 0; }
.bell-panel li {
  padding: 10px 16px; border-bottom: 1px solid var(--line-soft);
  cursor: pointer; font-size: 12px;
}
.bell-panel li:last-child { border-bottom: none; }
.bell-panel li.unread { font-weight: 500; }
.bell-panel li.read { color: var(--muted); }
.bell-panel li .body { font-size: 11px; color: var(--muted); margin-top: 2px; }
.bell-panel .empty { padding: 20px; text-align: center; color: var(--muted); }

/* ============ Tab subnav (inside finance / settings) ============ */
.tab-subnav {
  display: flex; gap: 0; border-bottom: 1px solid var(--line);
  margin: 0 0 20px;
}
.tab-subnav a {
  padding: 10px 18px; text-decoration: none;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab-subnav a:hover { color: var(--ink); }
.tab-subnav a.active { color: var(--clay); border-bottom-color: var(--clay); }
.tab-subnav a.disabled { color: #ccc; cursor: not-allowed; pointer-events: none; }

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

/* ============ View switch (homepage owner-only toggle) ============ */
.view-switch {
  display: inline-flex; border: 1px solid var(--line);
  border-radius: 4px; overflow: hidden;
  font-family: var(--font-mono); font-size: 11px;
}
.view-switch button {
  background: transparent; border: none; padding: 6px 14px;
  color: var(--muted); cursor: pointer; letter-spacing: 0.05em;
}
.view-switch button.active { background: var(--clay); color: var(--paper); }
.view-switch button:not(.active):hover { background: var(--paper-soft); color: var(--ink); }

/* ============ Welcome row (header + switch in same row) ============ */
.welcome-row {
  display: flex; align-items: center; justify-content: space-between;
  margin: 0 0 18px;
}
.welcome-row .titles .dash-h1 {
  font-family: var(--font-display); font-size: 26px; margin: 0;
}
.welcome-row .titles .dash-lead {
  color: var(--muted); margin: 4px 0 0; font-size: 13px;
}

/* Toolbar */
.toolbar {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 24px 12px;
}
.toolbar .spacer { flex: 1; }
.section-h {
  font-family: var(--font-display); font-size: 22px; font-weight: 500;
  color: var(--ink); margin: 0; letter-spacing: -0.01em;
}
.btn.secondary { background: var(--paper); color: var(--clay); border-color: var(--clay); }

/* Data table */
.data-table { width: 100%; border-collapse: collapse; background: #fff; }
.data-table th, .data-table td {
  padding: 12px 14px; text-align: left;
  border-bottom: 1px solid var(--line); vertical-align: middle;
}
.data-table th {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted); background: var(--paper-soft);
}
.data-table td.right, .data-table th.right { text-align: right; }
.data-table tr.row { cursor: pointer; }
.data-table tr.row:hover td { background: var(--paper-soft); }

/* Side panel */
.panel-backdrop {
  position: fixed; inset: 0; background: rgba(31, 27, 22, 0.32);
  display: none; z-index: 50;
}
.panel-backdrop.open { display: block; }
.side-panel {
  position: fixed; top: 0; right: 0; bottom: 0; width: 420px;
  background: var(--paper); border-left: 1px solid var(--line);
  transform: translateX(100%); transition: transform 240ms ease;
  display: flex; flex-direction: column; z-index: 60;
}
.side-panel.open { transform: translateX(0); }
.panel-header {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 18px 20px; border-bottom: 1px solid var(--line);
}
.panel-title {
  font-family: var(--font-display); font-size: 18px; font-weight: 500;
  letter-spacing: -0.01em; color: var(--ink);
}
.panel-sub {
  font-family: var(--font-mono); font-size: 10px; color: var(--muted);
  letter-spacing: 0.1em; text-transform: uppercase; margin-top: 4px;
}
.panel-close {
  margin-left: auto; cursor: pointer; color: var(--muted); font-size: 16px;
  user-select: none;
}
.panel-body { flex: 1; overflow-y: auto; padding: 18px 20px; }
.panel-actions {
  display: flex; gap: 8px; justify-content: flex-end;
  padding: 14px 20px; border-top: 1px solid var(--line);
}

/* Form fields (shared) */
.field { margin-bottom: 14px; }
.field label {
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--muted);
  display: block; margin-bottom: 4px;
}
.field input, .field select, .field textarea {
  width: 100%; padding: 8px 10px;
  border: 1px solid var(--line); background: var(--paper);
  font-family: var(--font-sans); font-size: 13px; color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--clay);
}

/* Status pills */
.pill {
  font-family: var(--font-mono); font-size: 9px;
  letter-spacing: 0.16em; text-transform: uppercase;
  padding: 3px 8px; border-radius: 2px;
}
.pill.active   { background: var(--sage-wash);  color: #4A5A38; }
.pill.archived { background: var(--paper-soft); color: var(--muted); }
.pill.inactive { background: var(--paper-soft); color: var(--muted); }

/* Search */
.search-input {
  padding: 6px 10px; border: 1px solid var(--line); background: var(--paper);
  font-family: var(--font-sans); font-size: 12px; min-width: 220px;
}

/* Empty state */
.empty-state {
  text-align: center; padding: 60px 20px;
  background: #fff; border: 1px dashed var(--line); margin: 0 24px;
}
.empty-state .es-title {
  font-family: var(--font-display); font-size: 18px; font-weight: 500;
  color: var(--ink); margin-bottom: 6px;
}
.empty-state .es-sub {
  font-family: var(--font-sans); font-size: 13px; color: var(--ink-soft);
  margin-bottom: 18px;
}

/* Toast */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  padding: 12px 18px; font-family: var(--font-sans); font-size: 13px;
  border-radius: 4px; z-index: 100; max-width: 420px;
}
.toast.error { background: var(--clay); color: #fff; }
.toast.success { background: var(--sage); color: #fff; }

/* App.confirm() modal */
dialog.app-confirm {
  border: none;
  border-radius: 8px;
  padding: 24px;
  min-width: 360px;
  max-width: 500px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}
dialog.app-confirm::backdrop {
  background: rgba(31, 27, 22, 0.5);
}
dialog.app-confirm h3 {
  margin: 0 0 12px;
  font-family: var(--font-display), 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji';
  font-size: 18px;
  color: var(--ink);
}
dialog.app-confirm p.app-confirm-body {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
  white-space: pre-wrap;
}
dialog.app-confirm .app-confirm-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}
dialog.app-confirm .app-confirm-actions button {
  padding: 8px 16px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 6px;
  font-size: 13px;
  font-family: var(--font-sans);
  cursor: pointer;
}
dialog.app-confirm .app-confirm-actions button.primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
dialog.app-confirm .app-confirm-actions button.danger {
  background: var(--clay);
  color: #fff;
  border-color: var(--clay);
}
dialog.app-confirm .app-confirm-actions button:hover {
  background: var(--paper-soft);
}
dialog.app-confirm .app-confirm-actions button.primary:hover {
  background: var(--ink-soft, #3a342c);
}
dialog.app-confirm .app-confirm-actions button.danger:hover {
  filter: brightness(0.92);
}
dialog.app-confirm .app-confirm-actions button:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}