/* ─── Schedule Builder styles ─── */
:root {
  --accent: #5BA87A;
  --accent-warm: #E8941A;
  --accent-blue: #5B7EE8;
  --accent-purple: #9B5EE8;
  --surface: #FFFFFF;
  --border: #E2E8E0;
  --bg: #FEFEFA;
  --fg: #1C1C1E;
  --fg-muted: #6B6B6B;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 20px rgba(0,0,0,0.07);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.1);
}

.builder-wrap {
  min-height: 100vh;
  background: var(--bg);
  padding-bottom: 4rem;
}

/* ─── Header ─── */
.builder-header {
  padding: 2.5rem 2rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}
.builder-header h1 {
  font-family: 'Bitter', serif;
  font-size: 2rem;
  color: var(--fg);
  margin-bottom: 0.25rem;
}
.builder-header p {
  color: var(--fg-muted);
  font-size: 1rem;
}

/* ─── Layout ─── */
.builder-layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2rem;
  align-items: start;
}

/* ─── Sidebar: Card Library ─── */
.card-library {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}
.card-library h2 {
  font-family: 'Bitter', serif;
  font-size: 1rem;
  margin-bottom: 1rem;
  color: var(--fg);
}
.library-search {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: 'Nunito', sans-serif;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  background: var(--bg);
  color: var(--fg);
  box-sizing: border-box;
}
.library-category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin: 0.75rem 0 0.4rem;
}
.card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

/* ─── Draggable Library Cards ─── */
.lib-card {
  background: var(--bg-alt);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.5rem;
  cursor: grab;
  text-align: center;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.1s;
  user-select: none;
  font-size: 0.78rem;
  color: var(--fg);
  line-height: 1.3;
}
.lib-card:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(91,168,122,0.15);
  transform: translateY(-1px);
}
.lib-card:active { cursor: grabbing; transform: scale(0.97); }
.lib-card .card-icon { font-size: 1.4rem; display: block; margin-bottom: 0.2rem; }
.lib-card.dragging { opacity: 0.4; }

/* ─── Main: Routine Builder ─── */
.routine-area {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.routine-controls {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.routine-controls select,
.routine-controls input[type="number"] {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: 'Nunito', sans-serif;
  font-size: 0.9rem;
  background: var(--surface);
  color: var(--fg);
}
.btn {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-family: 'Nunito', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  border: none;
  transition: opacity 0.15s, transform 0.1s;
}
.btn:hover { opacity: 0.85; transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: white; }
.btn-secondary { background: var(--bg-alt); color: var(--fg); border: 1px solid var(--border); }
.btn-warm { background: var(--accent-warm); color: white; }
.btn-blue { background: var(--accent-blue); color: white; }
.btn-purple { background: var(--accent-purple); color: white; }

/* ─── Routine Canvas ─── */
.routine-canvas {
  background: var(--surface);
  border: 1.5px dashed var(--border);
  border-radius: var(--radius);
  min-height: 280px;
  padding: 1.5rem;
  position: relative;
  transition: border-color 0.2s, background 0.2s;
}
.routine-canvas.drag-over {
  border-color: var(--accent);
  background: rgba(91,168,122,0.03);
}
.routine-canvas.empty::after {
  content: 'Drag picture cards here to build your routine';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-muted);
  font-size: 1rem;
  pointer-events: none;
}

/* ─── Routine Steps (ordered) ─── */
.routine-steps {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.step-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  cursor: grab;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.step-item:hover { border-color: var(--accent); box-shadow: 0 2px 8px rgba(91,168,122,0.12); }
.step-item.drag-over-top { border-top: 3px solid var(--accent); }
.step-item.drag-over-bottom { border-bottom: 3px solid var(--accent); }
.step-num {
  width: 26px; height: 26px;
  background: var(--accent);
  color: white;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 700; flex-shrink: 0;
}
.step-icon { font-size: 1.5rem; flex-shrink: 0; }
.step-text { flex: 1; font-size: 0.9rem; font-weight: 600; color: var(--fg); }
.step-time {
  font-size: 0.78rem;
  color: var(--fg-muted);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.step-delete {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--fg-muted);
  font-size: 1rem;
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
  flex-shrink: 0;
}
.step-delete:hover { color: #e74c3c; background: #fdf0ef; }

/* ─── First-Then Bar ─── */
.first-then-bar {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  color: white;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow);
}
.ft-first, .ft-then {
  background: rgba(255,255,255,0.2);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.75rem;
  flex: 1;
  text-align: center;
}
.ft-arrow { font-size: 1.4rem; opacity: 0.8; flex-shrink: 0; }

/* ─── Progress Bar ─── */
.progress-bar-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.25rem; }
.progress-bar-label { display: flex; justify-content: space-between; font-size: 0.85rem; color: var(--fg-muted); margin-bottom: 0.5rem; }
.progress-track { height: 10px; background: var(--border); border-radius: 999px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--accent); border-radius: 999px; transition: width 0.4s ease; width: 0%; }
.progress-summary { margin-top: 0.4rem; font-size: 0.82rem; color: var(--fg-muted); }

/* ─── Template Buttons ─── */
.template-btns { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* ─── Mobile Responsiveness ─── */
@media (max-width: 768px) {
  .builder-layout {
    grid-template-columns: 1fr;
    padding: 0 1rem;
  }
  .card-library {
    order: 2;
  }
  .routine-area {
    order: 1;
  }
  .card-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .builder-header h1 { font-size: 1.5rem; }
  .first-then-bar { flex-direction: column; gap: 0.5rem; }
  .ft-arrow { transform: rotate(90deg); }
}
@media (max-width: 480px) {
  .card-grid { grid-template-columns: repeat(3, 1fr); }
  .routine-controls { gap: 0.5rem; }
}