/* ============================================================
   PAGES — Workouts library + AI Nutritionist
   ============================================================ */

/* ===== Page hero ===== */
.page-hero {
  position: relative;
  padding: 120px 0 60px;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(212,255,0,0.07), transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(255,46,77,0.06), transparent 60%),
    var(--bg-0);
  border-bottom: 1px solid var(--line);
}
.page-hero-ai {
  background:
    radial-gradient(ellipse at 80% 30%, rgba(255,46,77,0.10), transparent 60%),
    radial-gradient(ellipse at 20% 70%, rgba(212,255,0,0.08), transparent 60%),
    var(--bg-0);
}
.page-hero-inner { max-width: 760px; }
.page-hero-inner .eyebrow { justify-content: flex-start; }
.page-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 96px);
  line-height: 0.95; letter-spacing: 0.005em;
  text-transform: uppercase;
  margin: 14px 0 18px;
}
.page-sub { color: var(--text-dim); font-size: 18px; max-width: 600px; }

/* Active nav link */
.nav-links a.active { color: var(--accent); }
.nav-links a.active::after { width: 100%; }

/* ===== Filters bar ===== */
.filters-section { padding: 32px 0; background: var(--bg-1); border-bottom: 1px solid var(--line); position: sticky; top: 76px; z-index: 50; backdrop-filter: blur(12px); }
.filters {
  display: flex; flex-direction: column; gap: 18px;
}
.filter-group {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
}
.filter-group label {
  font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--text-muted); font-weight: 600;
  min-width: 110px;
}

.search-input {
  position: relative; flex: 1; min-width: 240px;
  max-width: 480px;
}
.search-input i {
  position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); font-size: 14px;
}
.search-input input {
  width: 100%; padding: 12px 14px 12px 42px;
  background: var(--bg-3); border: 1px solid var(--line);
  border-radius: 10px; font-size: 14px;
  transition: border-color .2s;
}
.search-input input:focus { border-color: var(--accent); }

.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  padding: 8px 16px;
  background: var(--bg-3); border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px; font-weight: 500; color: var(--text-dim);
  transition: all .2s;
}
.chip:hover { border-color: var(--line-strong); color: var(--text); }
.chip.active {
  background: var(--accent); color: #0a0a0f;
  border-color: var(--accent); font-weight: 700;
}

/* ===== Workouts ===== */
.workouts-section { padding: 50px 0 100px; background: var(--bg-0); }
.results-bar {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 32px;
  font-size: 14px; color: var(--text-dim);
}
.results-bar select {
  padding: 8px 32px 8px 14px;
  background: var(--bg-3); border: 1px solid var(--line);
  border-radius: 8px; font-size: 13px;
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path fill='%23a8a8b3' d='M6 9L1 4h10z'/></svg>");
  background-repeat: no-repeat; background-position: right 12px center;
}

.workouts-grid {
  display: grid; gap: 24px;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
}

.workout-card {
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: 16px; overflow: hidden;
  cursor: pointer;
  transition: transform .35s, border-color .25s;
}
.workout-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
}
.workout-thumb {
  position: relative; aspect-ratio: 16/10;
  overflow: hidden;
}
.workout-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  filter: brightness(0.75) contrast(1.05);
  transition: transform .6s ease, filter .3s;
}
.workout-card:hover .workout-thumb img { transform: scale(1.06); filter: brightness(0.9); }

.workout-tag {
  position: absolute; top: 14px; left: 14px;
  padding: 5px 10px;
  background: var(--accent); color: #0a0a0f;
  font-size: 10px; font-weight: 800; letter-spacing: 0.15em;
  border-radius: 4px;
}
.workout-tag.tag-popular { background: var(--accent-2); color: #fff; }
.workout-tag.tag-brutal { background: #ff7a00; color: #fff; }

.workout-play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%) scale(0.9);
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--accent); color: #0a0a0f;
  font-size: 16px;
  display: grid; place-items: center;
  opacity: 0; transition: all .3s;
  box-shadow: 0 10px 30px var(--accent-glow);
}
.workout-card:hover .workout-play { opacity: 1; transform: translate(-50%,-50%) scale(1); }

.workout-duration {
  position: absolute; bottom: 14px; right: 14px;
  padding: 5px 10px;
  background: rgba(0,0,0,0.7); border: 1px solid var(--line-strong);
  border-radius: 6px;
  font-size: 12px; font-weight: 600;
  backdrop-filter: blur(8px);
}
.workout-duration i { color: var(--accent); margin-right: 4px; font-size: 10px; }

.workout-body { padding: 18px 20px 22px; }
.workout-cat {
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  color: var(--accent); letter-spacing: 0.1em;
}
.workout-body h3 {
  font-family: var(--font-display);
  font-size: 22px; letter-spacing: 0.02em;
  margin: 6px 0 12px;
  text-transform: uppercase;
}
.workout-meta {
  display: flex; gap: 14px;
  font-size: 12px; color: var(--text-muted);
}
.workout-meta i { color: var(--accent); margin-right: 4px; font-size: 10px; }

/* Empty state */
.empty {
  text-align: center; padding: 80px 20px;
  color: var(--text-muted);
}
.empty i {
  font-size: 48px; color: var(--accent); margin-bottom: 18px;
}
.empty h3 {
  font-family: var(--font-display); font-size: 28px;
  letter-spacing: 0.02em; color: var(--text);
  margin-bottom: 8px;
}

/* ===== Modal ===== */
.modal {
  position: fixed; inset: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  animation: modalIn .3s ease;
}
@keyframes modalIn { from { opacity: 0; } to { opacity: 1; } }
.modal-bg {
  position: absolute; inset: 0;
  background: rgba(5,5,7,0.85);
  backdrop-filter: blur(8px);
}
.modal-card {
  position: relative;
  width: 100%; max-width: 720px;
  background: var(--bg-2); border: 1px solid var(--line-strong);
  border-radius: 20px;
  overflow: hidden;
  animation: modalUp .4s cubic-bezier(0.2,0.8,0.2,1);
  max-height: 90vh; overflow-y: auto;
}
@keyframes modalUp {
  from { transform: translateY(40px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(0,0,0,0.6); color: #fff;
  display: grid; place-items: center;
  z-index: 2;
  transition: background .2s;
}
.modal-close:hover { background: var(--accent-2); }

.modal-video {
  position: relative; aspect-ratio: 16/9;
  background: #000;
}
.modal-video-mock {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  text-align: center;
  background:
    radial-gradient(ellipse at center, rgba(212,255,0,0.1), transparent 70%),
    linear-gradient(135deg, #0a0a0f, #1a1a2e);
}
.modal-video-mock i { font-size: 72px; color: var(--accent); margin-bottom: 12px; display: block; }
.modal-video-mock p { font-weight: 600; color: var(--text); }
.modal-video-mock small { color: var(--text-muted); font-size: 12px; display: block; margin-top: 6px; }

.modal-info { padding: 28px 32px 32px; }
.modal-info h3 {
  font-family: var(--font-display);
  font-size: 32px; letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.modal-info > p { color: var(--text-dim); margin-bottom: 18px; }
.modal-meta {
  display: flex; gap: 18px; flex-wrap: wrap;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 13px; color: var(--text-dim);
  margin-bottom: 24px;
}
.modal-meta i { color: var(--accent); margin-right: 6px; }
.modal-actions { display: flex; gap: 10px; flex-wrap: wrap; }


/* ============================================================
   AI NUTRITIONIST PAGE
   ============================================================ */
.ai-workspace { padding: 50px 0 100px; background: var(--bg-0); min-height: 70vh; }
.ai-workspace-grid {
  display: grid; gap: 24px;
  grid-template-columns: 380px 1fr;
  align-items: flex-start;
}

.ai-side { display: flex; flex-direction: column; gap: 20px; position: sticky; top: 116px; }
.ai-side-card .ai-form { gap: 12px; }

.form-note {
  font-size: 11px; color: var(--text-muted);
  margin-top: 12px;
  display: flex; align-items: center; gap: 6px;
}
.form-note i { color: var(--accent); }

.bmi-box {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.bmi-box > div {
  text-align: center;
  padding: 10px;
  background: var(--bg-3);
  border-radius: 10px;
}
.bmi-box small {
  display: block;
  font-size: 10px; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 6px;
}
.bmi-box strong {
  font-family: var(--font-display);
  font-size: 22px; color: var(--accent); letter-spacing: 0.02em;
}

/* MAIN ai-main */
.ai-main {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  display: flex; flex-direction: column;
  min-height: 700px;
}

.ai-tabs {
  display: flex;
  background: var(--bg-3);
  border-bottom: 1px solid var(--line);
}
.ai-tabs .tab {
  flex: 1;
  padding: 16px 20px;
  font-size: 13px; font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-bottom: 2px solid transparent;
  transition: all .2s;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
.ai-tabs .tab:hover { color: var(--text); }
.ai-tabs .tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: rgba(212,255,0,0.04);
}

.tab-content { display: none; flex: 1; flex-direction: column; }
.tab-content.active { display: flex; }

/* Chat */
.chat-shell { display: flex; flex-direction: column; flex: 1; min-height: 600px; }
.chat-header {
  padding: 18px 24px;
  display: flex; justify-content: space-between; align-items: center;
  border-bottom: 1px solid var(--line);
}
.chat-bot { display: flex; align-items: center; gap: 12px; }
.bot-avatar {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--grad-fire); color: #fff;
  display: grid; place-items: center;
  font-size: 18px;
}
.chat-bot strong { display: block; font-size: 15px; }
.chat-bot span { font-size: 12px; color: var(--text-muted); display: inline-flex; align-items: center; gap: 6px; }
.btn-sm { padding: 8px 14px; font-size: 12px; }

.chat-messages {
  flex: 1; overflow-y: auto;
  padding: 24px;
  display: flex; flex-direction: column; gap: 14px;
  font-size: 14px;
  background:
    radial-gradient(ellipse at 80% 0%, rgba(255,46,77,0.06), transparent 50%),
    radial-gradient(ellipse at 20% 100%, rgba(212,255,0,0.04), transparent 50%);
}
.chat-messages .ai-msg { max-width: 75%; }
.chat-messages .ai-msg strong { color: var(--accent); }
.chat-messages .ai-msg.user strong { color: #0a0a0f; }

.suggestions {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-top: 8px;
}
.suggest {
  padding: 8px 14px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px; color: var(--text-dim);
  transition: all .2s;
}
.suggest:hover {
  background: rgba(212,255,0,0.1);
  border-color: var(--accent);
  color: var(--accent);
}

.chat-input {
  padding: 16px 20px;
  border-top: 1px solid var(--line);
  display: flex; align-items: center; gap: 10px;
  background: var(--bg-3);
}
.chat-input input {
  flex: 1;
  padding: 12px 16px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
}
.chat-input input:focus { border-color: var(--accent); }
.chat-input button {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--accent); color: #0a0a0f;
  display: grid; place-items: center;
  font-size: 14px;
  transition: all .2s;
  flex-shrink: 0;
}
.chat-input button:hover { transform: scale(1.05); }

/* Plan tab */
.plan-empty {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 60px 24px;
}
.plan-empty i { font-size: 64px; color: var(--accent); margin-bottom: 18px; }
.plan-empty h3 {
  font-family: var(--font-display); font-size: 28px; letter-spacing: 0.02em;
  margin-bottom: 8px;
}
.plan-empty p { color: var(--text-dim); max-width: 400px; }

.plan-summary {
  padding: 20px 24px;
  display: flex; justify-content: space-between; align-items: center;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap; gap: 12px;
}
.plan-summary small {
  font-size: 10px; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--text-muted); font-weight: 600;
  display: block; margin-bottom: 4px;
}
.plan-summary h3 {
  font-family: var(--font-display); font-size: 22px;
  letter-spacing: 0.02em;
}

.plan-days { display: flex; flex-direction: column; }
.day {
  border-bottom: 1px solid var(--line);
}
.day summary {
  padding: 18px 24px;
  display: grid;
  grid-template-columns: 80px 1fr auto auto;
  align-items: center; gap: 16px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
}
.day summary::-webkit-details-marker { display: none; }
.day-num {
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 700;
  color: var(--accent); letter-spacing: 0.1em;
}
.day-name { font-weight: 600; }
.day-cal { color: var(--text-dim); font-size: 13px; }
.day summary i { color: var(--accent); transition: transform .3s; }
.day[open] summary i { transform: rotate(180deg); }
.day-meals {
  background: var(--bg-3);
  padding: 4px 0;
}
.meal {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  align-items: center; gap: 16px;
  padding: 14px 24px 14px 24px;
  border-top: 1px solid var(--line);
}
.meal-time { font-size: 13px; color: var(--text-dim); }
.meal-info h5 {
  font-size: 14px; font-weight: 600;
  margin-bottom: 2px;
}
.meal-info p { font-size: 12px; color: var(--text-muted); line-height: 1.4; }
.meal-macro {
  font-family: var(--font-display); font-size: 18px;
  color: var(--accent); letter-spacing: 0.02em;
}

/* Recipes tab */
.recipes-grid {
  padding: 24px;
  display: grid; gap: 20px;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}
.recipe {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  transition: transform .3s, border-color .2s;
}
.recipe:hover { transform: translateY(-4px); border-color: var(--accent); }
.recipe-img {
  height: 180px;
  background-size: cover; background-position: center;
  filter: brightness(0.9);
}
.recipe-info { padding: 16px 18px 18px; }
.recipe-tag {
  font-family: var(--font-mono); font-size: 10px; font-weight: 600;
  color: var(--accent); letter-spacing: 0.12em;
  text-transform: uppercase;
}
.recipe-info h4 {
  font-family: var(--font-display); font-size: 20px;
  letter-spacing: 0.02em; margin: 6px 0 8px;
  text-transform: uppercase;
}
.recipe-info p {
  font-size: 13px; color: var(--text-dim); line-height: 1.5;
  margin-bottom: 12px;
}
.recipe-macros {
  display: flex; flex-wrap: wrap; gap: 10px 14px;
  font-size: 11px; color: var(--text-muted);
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.recipe-macros strong { color: var(--accent); font-weight: 700; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .ai-workspace-grid { grid-template-columns: 1fr; }
  .ai-side { position: static; }
}
@media (max-width: 768px) {
  .filters-section { top: 64px; padding: 18px 0; }
  .filter-group { gap: 10px; }
  .filter-group label { min-width: 0; }
  .page-hero { padding: 80px 0 40px; }
  .results-bar { flex-direction: column; gap: 12px; align-items: flex-start; }

  .ai-tabs .tab { font-size: 11px; padding: 14px 8px; }
  .ai-tabs .tab i { display: none; }

  .day summary { grid-template-columns: 1fr auto; gap: 8px; }
  .day-cal { grid-column: 2; }
  .day-num { grid-row: 2; grid-column: 1; }
  .meal { grid-template-columns: 1fr auto; }
  .meal-time { grid-column: 1; }
  .meal-info { grid-column: 1; grid-row: 2; }
  .meal-macro { grid-column: 2; grid-row: 1 / span 2; align-self: center; }

  .modal-info h3 { font-size: 24px; }
}