/* ============================================================
   Gig Guide — Stylesheet
   Matches the Mark's Music Tools design system (light / dark)
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --bg:          #f5f6fa;
  --surface:     #ffffff;
  --surface2:    #f0f1f7;
  --border:      #e2e5ef;
  --text:        #1a1d2e;
  --text-muted:  #6b7280;
  --accent:      #4f6ef7;
  --accent-hov:  #3a56d4;
  --danger:      #e74c3c;
  --danger-hov:  #c0392b;
  --success:     #27ae60;
  --warning:     #f39c12;
  --radius:      8px;
  --radius-sm:   5px;
  --shadow:      0 1px 4px rgba(0,0,0,.08);
  --shadow-md:   0 4px 16px rgba(0,0,0,.12);
  --nav-h:       56px;
  --trans:       .18s ease;
}

[data-theme="dark"] {
  --bg:          #0b0d16;
  --surface:     #14172a;
  --surface2:    #1c2035;
  --border:      #2e3355;
  --text:        #ffffff;
  --text-muted:  #b8c4e0;
  --accent:      #8aaafe;
  --accent-hov:  #6f8ffd;
  --shadow:      0 1px 4px rgba(0,0,0,.5);
  --shadow-md:   0 4px 16px rgba(0,0,0,.6);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background var(--trans), color var(--trans);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ── Nav ───────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: flex; align-items: center; padding: 0 1.4rem; gap: 1rem;
}
[data-theme="dark"] .nav {
  background: #080a14;
  border-bottom: 2px solid #3a4070;
}
.nav-brand {
  font-weight: 700; font-size: 1.05rem; color: var(--text);
  text-decoration: none; display: flex; align-items: center; gap: .55rem;
}
.nav-brand svg { width: 22px; height: 22px; color: var(--accent); flex-shrink: 0; }
[data-theme="dark"] .nav-brand { color: #ffffff; }
.nav-back {
  font-size: .85rem; color: var(--text-muted);
  display: flex; align-items: center; gap: .3rem;
  text-decoration: none;
}
.nav-back:hover { color: var(--accent); text-decoration: none; }
.nav-spacer { flex: 1; }
.btn-icon {
  background: none; border: none; padding: .4rem; border-radius: var(--radius-sm);
  color: var(--text-muted); transition: background var(--trans), color var(--trans);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
}
.btn-icon:hover { background: var(--surface2); color: var(--text); }
.btn-icon svg { width: 18px; height: 18px; }
[data-theme="dark"] .btn-icon { color: #ffffff; }

/* ── Page body ─────────────────────────────────────────────── */
.page-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.4rem 4rem;
}
.page-header { margin-bottom: 1.8rem; }
.page-title  { font-size: 1.4rem; font-weight: 700; }
.page-subtitle { font-size: .9rem; color: var(--text-muted); margin-top: .25rem; }
[data-theme="dark"] .page-title    { color: #ffffff; }
[data-theme="dark"] .page-subtitle { color: #b8c4e0; }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .5rem 1.1rem; font-size: .9rem; font-weight: 600;
  border-radius: var(--radius-sm); border: none; cursor: pointer;
  transition: background var(--trans), opacity var(--trans), transform var(--trans);
  text-decoration: none;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn svg { width: 16px; height: 16px; }

.btn-primary   { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hov); }
.btn-secondary { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger    { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-hov); }
.btn-ghost     { background: transparent; color: var(--text-muted); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--accent); border-color: var(--accent); }
.btn-sm { padding: .3rem .75rem; font-size: .8rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

[data-theme="dark"] .btn-secondary {
  background: #1c2035; color: #ffffff; border-color: #3a4070;
}
[data-theme="dark"] .btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
[data-theme="dark"] .btn-ghost {
  color: #b8c4e0; border-color: #3a4070;
}
[data-theme="dark"] .btn-ghost:hover { color: var(--accent); border-color: var(--accent); }

/* ── Alerts ─────────────────────────────────────────────────── */
.alert {
  display: flex; align-items: flex-start; gap: .75rem;
  padding: .85rem 1.1rem; border-radius: var(--radius);
  border: 1px solid; font-size: .88rem; margin-bottom: 1.2rem;
}
.alert svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }
.alert-success { background: #f0faf5; border-color: #a8dfc0; color: #1a5c36; }
.alert-error   { background: #fff5f5; border-color: #fca5a5; color: #7f1d1d; }
.alert-info    { background: #f0f4ff; border-color: #a5b4fc; color: #1e3a5f; }
.alert-warning { background: #fffbeb; border-color: #fcd34d; color: #78350f; }
[data-theme="dark"] .alert-success { background: #0e2a1a; border-color: #2a6a40; color: #80e8a8; }
[data-theme="dark"] .alert-error   { background: #2a0e0e; border-color: #8a2a2a; color: #ff9090; }
[data-theme="dark"] .alert-info    { background: #0e1e2e; border-color: #2a60a8; color: #80c8f8; }
[data-theme="dark"] .alert-warning { background: #2a1e08; border-color: #8a6018; color: #ffd060; }

/* ── Card ───────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.4rem;
}
[data-theme="dark"] .card { background: var(--surface); border-color: var(--border); }
.card-title {
  font-size: 1rem; font-weight: 700; margin-bottom: 1rem;
  display: flex; align-items: center; gap: .5rem;
}
.card-title svg { width: 18px; height: 18px; color: var(--accent); }
[data-theme="dark"] .card-title { color: #ffffff; }

/* ── Section label ──────────────────────────────────────────── */
.section-label {
  font-size: .72rem; letter-spacing: 2px; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: .8rem; font-weight: 600;
}

/* ── Form controls ──────────────────────────────────────────── */
.form-group { margin-bottom: 1rem; }
.form-label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: .3rem; }
.form-control {
  width: 100%; padding: .5rem .75rem; font-size: .9rem;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text);
  transition: border-color var(--trans);
}
.form-control:focus { outline: none; border-color: var(--accent); }
.form-hint { font-size: .78rem; color: var(--text-muted); margin-top: .3rem; }
[data-theme="dark"] .form-control { background: #0e1020; border-color: #3a4070; color: #ffffff; }
[data-theme="dark"] .form-control:focus { border-color: var(--accent); }
[data-theme="dark"] .form-label { color: #ffffff; }
[data-theme="dark"] .form-hint  { color: #b8c4e0; }

/* ── Connect screen ─────────────────────────────────────────── */
.connect-wrap {
  display: flex; align-items: center; justify-content: center;
  min-height: calc(100vh - var(--nav-h));
  padding: 2rem;
}
.connect-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 2.5rem 2rem;
  max-width: 440px; width: 100%;
  text-align: center;
}
.connect-icon {
  width: 56px; height: 56px;
  color: var(--accent);
  margin: 0 auto 1.2rem;
}
.connect-title { font-size: 1.3rem; font-weight: 700; margin-bottom: .5rem; }
.connect-desc  { font-size: .9rem; color: var(--text-muted); margin-bottom: 1.8rem; line-height: 1.6; }
.btn-google {
  display: inline-flex; align-items: center; gap: .75rem;
  padding: .75rem 1.5rem; font-size: .95rem; font-weight: 600;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); cursor: pointer; color: var(--text);
  box-shadow: var(--shadow-md); transition: box-shadow var(--trans), border-color var(--trans);
  width: 100%; justify-content: center;
}
.btn-google:hover { box-shadow: 0 4px 20px rgba(0,0,0,.15); border-color: var(--accent); }
.btn-google svg  { width: 22px; height: 22px; }
[data-theme="dark"] .connect-card { background: var(--surface); }
[data-theme="dark"] .connect-title { color: #ffffff; }
[data-theme="dark"] .connect-desc  { color: #b8c4e0; }
[data-theme="dark"] .btn-google    { background: #1c2035; border-color: #3a4070; color: #ffffff; }

/* ── Toolbar (weeks + calendar select) ──────────────────────── */
.toolbar {
  display: flex; align-items: center; gap: .75rem;
  flex-wrap: wrap; margin-bottom: 1.2rem;
}
.toolbar-label { font-size: .85rem; color: var(--text-muted); white-space: nowrap; }
.weeks-input {
  width: 72px; padding: .4rem .6rem; font-size: .9rem; font-weight: 700;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text); text-align: center;
}
.weeks-input:focus { outline: none; border-color: var(--accent); }
.cal-select {
  flex: 1; min-width: 200px; padding: .42rem .7rem; font-size: .88rem;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text);
}
.cal-select:focus { outline: none; border-color: var(--accent); }
[data-theme="dark"] .weeks-input, [data-theme="dark"] .cal-select {
  background: #0e1020; border-color: #3a4070; color: #ffffff;
}
[data-theme="dark"] .weeks-input:focus, [data-theme="dark"] .cal-select:focus {
  border-color: var(--accent);
}

/* ── Gig list ───────────────────────────────────────────────── */
.gig-list { display: flex; flex-direction: column; gap: .55rem; }
.gig-item {
  display: flex; align-items: center; gap: .75rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: .65rem .9rem;
  box-shadow: var(--shadow); transition: border-color var(--trans), opacity var(--trans);
}
.gig-item:hover { border-color: var(--accent); }
.gig-item.removed { opacity: .35; }
.gig-date {
  font-size: .78rem; font-weight: 700; color: var(--accent);
  white-space: nowrap; min-width: 90px; text-transform: uppercase;
  letter-spacing: .5px;
}
.gig-title-input {
  flex: 1; font-size: .92rem; font-weight: 600;
  border: none; background: transparent; color: var(--text);
  outline: none; padding: .2rem .4rem; border-radius: 4px;
  transition: background var(--trans);
}
.gig-title-input:focus { background: var(--surface2); }
.gig-title-input.strikethrough { text-decoration: line-through; color: var(--text-muted); }
.gig-location { font-size: .78rem; color: var(--text-muted); white-space: nowrap; max-width: 160px; overflow: hidden; text-overflow: ellipsis; }
.gig-actions { display: flex; gap: .3rem; }
.gig-remove-btn {
  background: none; border: none; padding: .3rem;
  border-radius: 4px; color: var(--text-muted); cursor: pointer;
  transition: color var(--trans), background var(--trans);
  display: flex; align-items: center;
}
.gig-remove-btn:hover { color: var(--danger); background: rgba(231,76,60,.08); }
.gig-remove-btn.restore-btn:hover { color: var(--success); background: rgba(39,174,96,.08); }
.gig-remove-btn svg { width: 16px; height: 16px; }
[data-theme="dark"] .gig-item { background: var(--surface); border-color: var(--border); }
[data-theme="dark"] .gig-title-input { color: #ffffff; }
[data-theme="dark"] .gig-title-input:focus { background: var(--surface2); }
[data-theme="dark"] .gig-date { color: var(--accent); }
[data-theme="dark"] .gig-location { color: #b8c4e0; }

.empty-state {
  text-align: center; padding: 3rem 1rem;
  color: var(--text-muted); font-size: .9rem;
}
.empty-state svg { width: 40px; height: 40px; margin: 0 auto .75rem; display: block; opacity: .4; }

/* ── Builder panel ──────────────────────────────────────────── */
.builder-panel {
  margin-top: 2rem; border-top: 1px solid var(--border); padding-top: 2rem;
  display: none;
}
.builder-panel.visible { display: block; }

/* Two-column layout: controls left, sticky preview right */
.builder-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2rem;
  align-items: start;
}
.builder-preview-col {
  position: sticky;
  top: calc(var(--nav-h) + 1rem);
}
/* On narrow screens fall back to single column, preview below */
@media (max-width: 860px) {
  .builder-layout {
    grid-template-columns: 1fr;
  }
  .builder-preview-col {
    position: static;
    order: 99; /* push to bottom on mobile */
  }
}

/* Background picker grid */
.bg-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: .6rem;
  margin-bottom: 1.2rem;
}
.bg-thumb {
  aspect-ratio: 4/3; border-radius: var(--radius-sm);
  border: 2px solid var(--border); cursor: pointer;
  transition: border-color var(--trans), transform var(--trans);
  overflow: hidden; position: relative;
}
.bg-thumb:hover { border-color: var(--accent); transform: scale(1.03); }
.bg-thumb.selected { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,110,247,.25); }
.bg-thumb-inner {
  width: 100%; height: 100%;
  display: flex; align-items: flex-end; padding: .3rem;
}
.bg-thumb-label {
  font-size: .65rem; font-weight: 700; color: rgba(255,255,255,.9);
  text-shadow: 0 1px 3px rgba(0,0,0,.8); letter-spacing: .5px; text-transform: uppercase;
}

/* Font picker */
.font-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: .6rem;
  margin-bottom: 1.2rem;
}
.font-thumb {
  display: flex; flex-direction: column; gap: .2rem;
  padding: .65rem .8rem;
  border: 2px solid var(--border); border-radius: var(--radius-sm);
  cursor: pointer; background: var(--surface);
  transition: border-color var(--trans), background var(--trans), transform var(--trans);
}
.font-thumb:hover { border-color: var(--accent); transform: scale(1.02); }
.font-thumb.selected {
  border-color: var(--accent); background: rgba(79,110,247,.06);
  box-shadow: 0 0 0 3px rgba(79,110,247,.2);
}
[data-theme="dark"] .font-thumb.selected { background: rgba(138,170,254,.08); }
.font-thumb-name { font-size: 1.05rem; font-weight: 700; color: var(--text); line-height: 1.2; }
.font-thumb-style { font-size: .68rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; }

/* Format picker */
.format-grid {
  display: flex; gap: .75rem; flex-wrap: wrap; margin-bottom: 1.2rem;
}
.format-option { display: none; }
.format-label {
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  padding: .75rem 1rem; border: 2px solid var(--border);
  border-radius: var(--radius); cursor: pointer; background: var(--surface);
  transition: border-color var(--trans), background var(--trans);
  min-width: 100px; text-align: center;
}
.format-label:hover { border-color: var(--accent); }
.format-option:checked + .format-label {
  border-color: var(--accent); background: rgba(79,110,247,.06);
}
[data-theme="dark"] .format-option:checked + .format-label {
  background: rgba(138,170,254,.08);
}
.format-icon { font-size: 1.6rem; line-height: 1; }
.format-name { font-size: .82rem; font-weight: 700; }
.format-size { font-size: .72rem; color: var(--text-muted); }

/* Canvas preview */
.preview-wrap {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
  min-height: 300px;
}
.preview-canvas-container {
  max-width: 100%; display: flex; justify-content: center;
}
#preview-canvas {
  border-radius: 4px;
  box-shadow: var(--shadow-md);
  max-width: 100%;
  max-height: calc(100vh - var(--nav-h) - 160px);
  width: auto; height: auto;
}
.preview-actions {
  display: flex; gap: .6rem; flex-wrap: wrap; justify-content: center;
}

/* Overlay / layout controls */
.overlay-row {
  display: flex; align-items: center; gap: .6rem; margin-bottom: .65rem;
}
.layout-sliders {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: .75rem 1rem;
  margin-bottom: 1.2rem;
}
.slider-num {
  width: 52px; padding: .25rem .4rem;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text);
  font-size: .82rem; font-weight: 700; text-align: center;
  -moz-appearance: textfield;
}
.slider-num::-webkit-inner-spin-button,
.slider-num::-webkit-outer-spin-button { opacity: 1; }
.slider-num:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.slider-unit {
  font-size: .78rem; color: var(--text-muted); margin-left: -.2rem;
}
.toggle-switch {
  position: relative; display: inline-block; width: 38px; height: 22px;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; cursor: pointer; inset: 0;
  background: var(--border); border-radius: 22px;
  transition: background var(--trans);
}
.toggle-slider::before {
  content: ''; position: absolute;
  width: 16px; height: 16px; left: 3px; bottom: 3px;
  background: white; border-radius: 50%; transition: transform var(--trans);
}
.toggle-switch input:checked + .toggle-slider { background: var(--accent); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(16px); }
.toggle-label { font-size: .85rem; color: var(--text-muted); }

/* Logo section */
.logo-row {
  display: flex; align-items: center; gap: .75rem; margin-bottom: 1rem; flex-wrap: wrap;
}
.logo-preview-thumb {
  width: 60px; height: 40px; object-fit: contain;
  border: 1px solid var(--border); border-radius: 4px; background: #111;
  display: none;
}
.logo-preview-thumb.visible { display: block; }
.logo-no-file {
  font-size: .8rem; color: var(--text-muted); font-style: italic;
}

/* Spinner */
.spinner {
  width: 18px; height: 18px; border: 2px solid var(--border);
  border-top-color: var(--accent); border-radius: 50%;
  animation: spin .7s linear infinite; display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Settings drawer ────────────────────────────────────────── */
.settings-toggle-btn {
  display: flex; align-items: center; gap: .4rem;
  font-size: .82rem; color: var(--text-muted); background: none; border: none;
  cursor: pointer; padding: .25rem; transition: color var(--trans);
}
.settings-toggle-btn:hover { color: var(--accent); }
.settings-drawer {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.2rem; margin-bottom: 1.2rem;
  display: none;
}
.settings-drawer.open { display: block; }
[data-theme="dark"] .settings-drawer { background: #1c2035; border-color: #3a4070; }

/* ── Templates bar ──────────────────────────────────────────── */
.template-bar {
  display: flex; align-items: center; gap: .6rem; flex-wrap: wrap;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: .75rem 1rem;
  margin-bottom: 1.2rem;
}
.tpl-select {
  flex: 1; min-width: 160px; max-width: 280px;
  padding: .3rem .6rem; font-size: .88rem;
}
.tpl-name-input {
  width: 180px; padding: .3rem .6rem; font-size: .88rem;
}
.tpl-delete-btn {
  color: var(--danger); border: 1px solid var(--danger);
  background: transparent; padding: .3rem .75rem; font-size: .8rem;
  border-radius: var(--radius-sm); font-weight: 600;
  transition: background var(--trans), color var(--trans);
}
.tpl-delete-btn:hover:not(:disabled) { background: var(--danger); color: #fff; }
.tpl-delete-btn:disabled { opacity: .4; cursor: not-allowed; }
.tpl-divider {
  width: 1px; height: 24px; background: var(--border);
  flex-shrink: 0; margin: 0 .25rem;
}
[data-theme="dark"] .template-bar { background: #1c2035; border-color: #3a4070; }

/* ── Animations ─────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp .3s ease forwards; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 600px) {
  .page-wrap { padding: 1.2rem 1rem 3rem; }
  .toolbar { gap: .5rem; }
  .gig-location { display: none; }
  .format-grid { gap: .5rem; }
  .format-label { min-width: 80px; padding: .5rem .6rem; }
  .nav { padding: 0 1rem; }
}