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

:root {
  --bg: #1a1a2e;
  --bg-card: #16213e;
  --bg-surface: #0f3460;
  --text: #e4e4e4;
  --text-muted: #8b8fa3;
  --accent: #e94560;
  --accent-hover: #ff6b81;
  --blue: #3498db;
  --green: #2ecc71;
  --orange: #f39c12;
  --border: #2a2d4a;
  --shadow: rgba(0,0,0,.3);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* NAV */
.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: .75rem 1.5rem;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
  white-space: nowrap;
}
.nav-links { display: flex; gap: 1rem; }
.nav-links a {
  color: var(--text-muted);
  padding: .25rem .5rem;
  border-radius: 4px;
  font-size: .9rem;
  transition: color .15s, background .15s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text); background: var(--bg-surface); }

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .5rem 1rem;
  border: none;
  border-radius: 6px;
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s, transform .1s;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--bg-surface); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent); }
.btn-sm { padding: .3rem .6rem; font-size: .8rem; }
.btn-icon {
  width: 36px; height: 36px;
  padding: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: 6px;
  background: var(--bg-surface);
  color: var(--text);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.btn-icon:hover { border-color: var(--accent); }
.btn-icon.active { background: var(--accent); border-color: var(--accent); }

/* FORMS */
input, select, textarea {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .5rem .75rem;
  font-size: .9rem;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}
label { font-size: .85rem; color: var(--text-muted); display: block; margin-bottom: .25rem; }

/* CARDS */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color .15s;
}
.card:hover { border-color: var(--accent); }
.card-img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: contain;
  background: #fff;
  display: block;
}
.card-body { padding: .75rem; }
.card-title { font-weight: 600; font-size: .95rem; margin-bottom: .25rem; }
.card-meta { font-size: .8rem; color: var(--text-muted); }

/* GRID */
.drill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  padding: 1rem;
}

/* PAGE LAYOUT */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: .75rem;
}
.page-header h1 { font-size: 1.25rem; }
.page-content { padding: 1rem 1.5rem; }

/* FILTERS */
.filters {
  display: flex;
  gap: .75rem;
  align-items: center;
  flex-wrap: wrap;
  padding: .75rem 1.5rem;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}
.filters input[type="search"] { min-width: 200px; }

/* TOOLBAR (drill maker) */
.toolbar {
  display: flex;
  gap: 2px;
  padding: 6px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  align-items: center;
}
.toolbar .separator {
  width: 1px;
  height: 28px;
  background: var(--border);
  margin: 0 4px;
}
.toolbar .tool-group {
  display: flex;
  gap: 2px;
}
.color-swatch {
  width: 24px; height: 24px;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
}
.color-swatch.active { border-color: #fff; }

/* RINK SELECTOR */
.rink-selector {
  display: flex;
  gap: 4px;
  padding: 6px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}
.rink-thumb {
  width: 64px; height: 40px;
  border: 2px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  background: #fff;
  flex-shrink: 0;
  padding: 2px;
  transition: border-color .15s;
}
.rink-thumb:hover { border-color: var(--accent); }
.rink-thumb.active { border-color: var(--accent); }
.rink-thumb svg { width: 100%; height: 100%; }

/* CANVAS AREA */
.canvas-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f0f0f0;
  position: relative;
  overflow: hidden;
}
.canvas-wrap canvas { display: block; }

/* DRILL MAKER LAYOUT */
.maker-layout {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 49px);
}
.maker-body {
  flex: 1;
  display: flex;
  overflow: hidden;
}
.maker-sidebar {
  width: 280px;
  background: var(--bg-card);
  border-left: 1px solid var(--border);
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.maker-sidebar h3 { font-size: .9rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .05em; }

/* PRACTICE PLAN BUILDER */
.plan-layout {
  display: flex;
  gap: 1rem;
  padding: 1rem 1.5rem;
}
.plan-drills {
  flex: 1;
  min-height: 200px;
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: .5rem;
}
.plan-drills.dragover { border-color: var(--accent); background: rgba(233,69,96,.05); }
.plan-drill-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .5rem;
  background: var(--bg-surface);
  border-radius: 6px;
  margin-bottom: .5rem;
  cursor: grab;
}
.plan-drill-item:active { cursor: grabbing; }
.plan-drill-item img { width: 80px; height: 50px; object-fit: contain; background: #fff; border-radius: 4px; }
.plan-drill-item .title { flex: 1; font-weight: 500; }
.plan-drill-item input { width: 60px; text-align: center; }

/* MODAL */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}
.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: min(90vw, 500px);
  max-height: 80vh;
  overflow-y: auto;
  padding: 1.5rem;
}
.modal h2 { font-size: 1.1rem; margin-bottom: 1rem; }
.modal .form-group { margin-bottom: .75rem; }
.modal .form-group input,
.modal .form-group select,
.modal .form-group textarea { width: 100%; }
.modal .form-actions { display: flex; gap: .5rem; justify-content: flex-end; margin-top: 1rem; }

/* TOAST */
.toast-container { position: fixed; bottom: 1rem; right: 1rem; z-index: 300; display: flex; flex-direction: column; gap: .5rem; }
.toast {
  padding: .75rem 1rem;
  border-radius: 8px;
  color: #fff;
  font-size: .85rem;
  animation: slideIn .2s;
  max-width: 300px;
}
.toast-success { background: var(--green); }
.toast-error { background: var(--accent); }
@keyframes slideIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }

/* EMPTY STATE */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}
.empty-state p { margin-bottom: 1rem; }

/* TAGS */
.tag {
  display: inline-block;
  padding: .15rem .5rem;
  background: var(--bg-surface);
  border-radius: 4px;
  font-size: .75rem;
  color: var(--text-muted);
}
.tags { display: flex; gap: .25rem; flex-wrap: wrap; }

/* CHECKBOX GROUP */
.checkbox-group { display: flex; flex-wrap: wrap; gap: .5rem; }
.checkbox-group label {
  display: flex;
  align-items: center;
  gap: .3rem;
  font-size: .85rem;
  color: var(--text);
  cursor: pointer;
}

/* TABLE */
table { width: 100%; border-collapse: collapse; }
th, td { padding: .5rem .75rem; text-align: left; border-bottom: 1px solid var(--border); }
th { font-size: .8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .05em; }

/* LOADING */
.spinner {
  width: 24px; height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* RESPONSIVE */
@media (max-width: 768px) {
  .maker-sidebar { width: 100%; border-left: none; border-top: 1px solid var(--border); max-height: 200px; }
  .maker-body { flex-direction: column; }
  .nav { gap: .75rem; padding: .5rem 1rem; }
  .nav-links { gap: .5rem; }
  .drill-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
}