/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0d1117;
  --surf:     #161b22;
  --surf2:    #1c2128;
  --surf3:    #21262d;
  --border:   #30363d;
  --text:     #eef2f6;   /* brighter base text */
  --muted:    #9aa4b2;
  --accent:   #58a6ff;
  --accent-bg:#1c2d4f;
  --pop:      #ffd23f;   /* sunny yellow — section headers */
  --pop2:     #ff5d8f;   /* hot pink */
  --pop3:     #7c5cff;   /* electric purple */
  --radius:   8px;
  --radius-sm:5px;
  --tab-h:    60px;
}

html, body {
  height: 100%;
  overflow: hidden;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 13px;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

/* ===== HEADER ===== */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 50px;
  padding: 0 16px;
  background: var(--surf);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  position: relative;
  z-index: 10;
}

.header-brand { display: flex; align-items: center; gap: 10px; cursor: default; }
.header-logo  {
  font-size: 26px;
  line-height: 1;
  display: inline-block;
  transition: transform 0.2s cubic-bezier(.34,1.56,.64,1);
}
.header-brand:hover .header-logo { transform: rotate(-15deg) scale(1.18); }
.header-title {
  font-family: 'Bangers', system-ui, cursive;
  font-size: 28px;
  font-weight: 400;
  letter-spacing: 1.5px;
  background: linear-gradient(100deg, var(--pop) 0%, var(--pop2) 50%, var(--pop3) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 1px 0 rgba(0,0,0,0.4));
}
.header-actions { display: flex; align-items: center; gap: 8px; }

/* ===== DESKTOP LAYOUT ===== */
.app-layout {
  display: flex;
  height: calc(100vh - 50px);
  overflow: hidden;
}

/* ===== SIDEBARS ===== */
.sidebar {
  width: 268px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 12px;
  background: var(--surf);
  overflow-y: auto;
  overflow-x: hidden;
}
.sidebar-left  { border-right: 1px solid var(--border); }
.sidebar-right { border-left:  1px solid var(--border); }

/* ===== CANVAS AREA ===== */
.canvas-area {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #080b10;
  overflow: hidden;
  padding: 24px;
}

.canvas-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

#memeCanvas {
  display: block;
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--radius);
  box-shadow: 0 8px 40px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.06);
}

.canvas-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  color: var(--muted);
  text-align: center;
  padding: 56px 40px;
  border: 3px dashed var(--border);
  border-radius: 16px;
  transition: border-color 0.25s;
}
.canvas-empty:hover { border-color: var(--pop3); }
.canvas-empty p   { line-height: 1.6; font-size: 14px; font-weight: 600; color: var(--text); }
.canvas-empty svg { opacity: 0.4; }

/* ===== UPLOAD BUTTON ===== */
.upload-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 10px 14px;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  transition: all 0.15s;
  flex-shrink: 0;
}
.upload-btn:hover {
  border-color: var(--pop3);
  color: #fff;
  background: rgba(124,92,255,0.14);
  transform: translateY(-1px);
}

/* ===== TEMPLATE GRID ===== */
.sidebar-section { display: flex; flex-direction: column; gap: 8px; }

.tmpl-search {
  margin-bottom: 2px;
  padding: 7px 10px;
  font-size: 12px;
}
.tmpl-count {
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--accent);
  font-size: 10px;
}

.template-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
}

.tmpl-card {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  background: var(--surf3);
  transition: border-color 0.15s, transform 0.12s;
}
.tmpl-card:hover  { border-color: var(--pop2); transform: scale(1.06) rotate(-2deg); z-index: 2; }
.tmpl-card.active { border-color: var(--pop); box-shadow: 0 0 0 3px rgba(255,210,63,0.25); }

.tmpl-card img { width: 100%; height: 100%; object-fit: cover; display: block; }

.tmpl-card-skeleton {
  width: 100%; height: 100%;
  background: linear-gradient(90deg, var(--surf3) 25%, var(--surf2) 50%, var(--surf3) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}
@keyframes shimmer { to { background-position: -200% 0; } }

.tmpl-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.82));
  padding: 14px 5px 5px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: #fff;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tmpl-no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 20px 0;
  color: var(--muted);
  font-size: 12px;
}

/* ===== PANELS & CONTROLS ===== */
.section-label {
  font-family: 'Bangers', system-ui, cursive;
  font-size: 16px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--pop);
  margin-bottom: 9px;
  text-shadow: 0 1px 0 rgba(0,0,0,0.45);
}

.panel {
  background: var(--surf2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 11px 11px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2px;
}
.panel-head .section-label { margin-bottom: 0; }

/* ===== AI GENERATE ===== */
.ai-gen { border-color: rgba(124,92,255,0.45); }
.ai-gen-desc {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 9px;
}
.ai-gen-desc b { color: var(--pop); }
.ai-gen-hint {
  font-size: 10.5px;
  line-height: 1.4;
  color: var(--muted);
  margin-top: 8px;
  text-align: center;
}

.ctrl-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 8px;
}
.ctrl-group:last-child { margin-bottom: 0; }

.ctrl-row {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
  align-items: flex-end;
}

.ctrl-label {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  letter-spacing: 0.01em;
}
.ctrl-val {
  font-weight: 800;
  color: #0d1117;
  background: var(--pop);
  border-radius: 999px;
  padding: 1px 8px;
  min-width: 22px;
  text-align: center;
  display: inline-block;
}

.ctrl-textarea,
.ctrl-input,
.ctrl-select {
  background: var(--surf3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  padding: 7px 10px;
  width: 100%;
  transition: border-color 0.15s;
  resize: vertical;
}
.ctrl-textarea:focus,
.ctrl-input:focus,
.ctrl-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(88,166,255,0.15);
}
.ctrl-select { cursor: pointer; }

.ctrl-range {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--border);
  outline: none;
  cursor: pointer;
}
.ctrl-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.1s;
}
.ctrl-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 0 4px rgba(88,166,255,0.2);
}

.ctrl-color {
  width: 100%;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 2px 3px;
  background: var(--surf3);
  cursor: pointer;
}

.align-row { display: flex; gap: 5px; }
.align-btn {
  flex: 1;
  padding: 7px 4px;
  background: var(--surf3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 11px;
  font-family: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.12s;
  text-align: center;
}
.align-btn:hover  { border-color: var(--pop3); color: #fff; }
.align-btn.active { border-color: var(--pop3); background: rgba(124,92,255,0.2); color: #fff; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  border: none;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.12s cubic-bezier(.34,1.56,.64,1), filter 0.15s, background 0.15s, color 0.15s;
  white-space: nowrap;
}
.btn:active { transform: scale(0.95); }
.btn-primary {
  background: linear-gradient(135deg, var(--pop2), var(--pop3));
  color: #fff;
  font-weight: 800;
  box-shadow: 0 3px 12px rgba(124,92,255,0.35);
}
.btn-primary:hover { filter: brightness(1.12); transform: translateY(-1px) scale(1.03); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--surf2); border-color: var(--pop2); color: #fff; }
.btn-sm  { padding: 5px 10px; font-size: 12px; }
.btn-xs  { padding: 3px 8px; font-size: 11px; flex-shrink: 0; }

/* ===== MOBILE TAB BAR (hidden on desktop) ===== */
.mobile-tab-bar { display: none; }

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%) translateY(14px);
  background: var(--surf2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 20px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 9999;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ===== SCROLLBARS ===== */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* =========================================================
   MOBILE  (≤ 768px)
   ========================================================= */
@media (max-width: 768px) {

  /* Allow page to scroll */
  html, body { height: 100%; overflow: hidden; }

  /* Stack everything, leave room for fixed tab bar */
  .app-layout {
    flex-direction: column;
    height: calc(100vh - 50px - var(--tab-h));
    overflow: hidden;
    position: relative;
  }

  /* Each "panel" fills the whole area when active */
  .sidebar,
  .canvas-area {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: none;          /* hidden by default; JS adds .panel-active */
    border: none;
    border-radius: 0;
  }

  .sidebar { overflow-y: auto; }

  .panel-active { display: flex !important; }

  /* Canvas panel */
  .canvas-area {
    padding: 12px;
    background: #080b10;
  }
  .canvas-wrap { width: 100%; height: 100%; }

  .canvas-empty { padding: 32px 20px; }
  .canvas-empty p { font-size: 12px; }

  /* Template grid: 3 columns on mobile */
  .template-grid { grid-template-columns: 1fr 1fr 1fr; gap: 6px; }
  .tmpl-label { font-size: 8px; }

  /* Bigger touch targets for sliders */
  .ctrl-range::-webkit-slider-thumb { width: 22px; height: 22px; }
  .ctrl-range { height: 6px; }

  /* Bigger color pickers */
  .ctrl-color { height: 42px; }

  /* Bigger textarea rows */
  .ctrl-textarea { rows: 2; font-size: 14px; }

  /* Align buttons taller */
  .align-btn { padding: 10px 4px; font-size: 12px; }

  /* Shrink Download label on small screens */
  .btn-label { display: none; }

  /* ── Mobile tab bar ── */
  .mobile-tab-bar {
    display: flex;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    height: var(--tab-h);
    background: var(--surf);
    border-top: 1px solid var(--border);
    z-index: 100;
  }

  .mtab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    background: transparent;
    border: none;
    color: var(--muted);
    font-family: inherit;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.03em;
    cursor: pointer;
    transition: color 0.15s, background 0.15s;
    -webkit-tap-highlight-color: transparent;
    padding: 8px 0;
  }
  .mtab svg { transition: stroke 0.15s; }
  .mtab.active       { color: var(--pop2); }
  .mtab.active svg   { stroke: var(--pop2); }
  .mtab:active       { background: var(--surf2); }

  /* Toast sits above tab bar */
  .toast { bottom: calc(var(--tab-h) + 12px); }
}

/* =========================================================
   SMALL PHONES (≤ 390px)
   ========================================================= */
@media (max-width: 390px) {
  .header-title { font-size: 22px; }
  .template-grid { grid-template-columns: 1fr 1fr; }
}