/* =========================================================
   FitLog – Gym Progress Tracker  |  style.css
   ========================================================= */

/* ── 1. DESIGN TOKENS ───────────────────────────────────── */
:root {
  --bg-deep:      #0a0b10;
  --bg-card:      #12141f;
  --bg-card2:     #181a28;
  --bg-input:     #1c1e2e;
  --border:       rgba(255,255,255,0.07);
  --border-focus: rgba(99,102,241,0.6);

  --accent:       #6366f1;   /* indigo */
  --accent-glow:  rgba(99,102,241,0.3);
  --accent-hover: #818cf8;

  --gold:         #f59e0b;
  --gold-glow:    rgba(245,158,11,0.25);

  --purple:       #a855f7;
  --purple-glow:  rgba(168,85,247,0.25);

  --red:          #ef4444;
  --red-glow:     rgba(239,68,68,0.25);
  --red-hover:    #f87171;

  --green:        #22c55e;
  --green-glow:   rgba(34,197,94,0.2);

  --text-primary:   #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted:     #64748b;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-card:   0 4px 24px rgba(0,0,0,0.45);
  --shadow-hover:  0 8px 40px rgba(0,0,0,0.6);

  --transition: 0.22s cubic-bezier(0.4,0,0.2,1);
}

/* ── 2. RESET & BASE ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background-color: var(--bg-deep);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ── 3. ANIMATED BACKGROUND BLOBS ───────────────────────── */
.bg-blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  animation: drift 18s ease-in-out infinite alternate;
}
.blob-1 {
  width: 520px; height: 520px;
  background: radial-gradient(circle, var(--accent), transparent 70%);
  top: -200px; left: -200px;
  animation-duration: 22s;
}
.blob-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--purple), transparent 70%);
  bottom: -120px; right: -100px;
  animation-duration: 18s;
  animation-delay: -7s;
}
.blob-3 {
  width: 280px; height: 280px;
  background: radial-gradient(circle, var(--gold), transparent 70%);
  top: 45%; left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.15;
  animation-duration: 25s;
  animation-delay: -12s;
}

@keyframes drift {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(60px, 40px) scale(1.1); }
}

/* ── 4. LAYOUT WRAPPER ───────────────────────────────────── */
.app-wrapper {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

/* ── 5. HEADER ───────────────────────────────────────────── */
.site-header {
  padding: 28px 0 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 36px;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.logo-group {
  display: flex;
  align-items: center;
  gap: 14px;
}
.logo-icon {
  width: 50px; height: 50px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  box-shadow: 0 0 24px var(--accent-glow);
}
.logo-icon svg { width: 26px; height: 26px; color: #fff; }

.site-title {
  font-size: 1.8rem;
  font-weight: 900;
  background: linear-gradient(135deg, #fff 30%, var(--accent-hover));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}
.site-subtitle {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: 3px;
}

/* header stat chips */
.header-stats {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 10px 20px;
}
.stat-chip { text-align: center; }
.stat-value {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent-hover);
  line-height: 1;
}
.stat-label {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 2px;
}
.stat-divider {
  width: 1px; height: 36px;
  background: var(--border);
}

/* ── 6. MAIN GRID ────────────────────────────────────────── */
.main-content { display: flex; flex-direction: column; gap: 24px; }

.top-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 24px;
  align-items: start;
}

/* ── 7. CARDS ────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition);
}
.card:hover { box-shadow: var(--shadow-hover); }

.card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}
.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.card-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.card-icon svg { width: 20px; height: 20px; color: #fff; }
.card-icon--accent  { background: var(--accent);  box-shadow: 0 0 16px var(--accent-glow); }
.card-icon--gold    { background: var(--gold);    box-shadow: 0 0 16px var(--gold-glow); }
.card-icon--purple  { background: var(--purple);  box-shadow: 0 0 16px var(--purple-glow); }

/* ── 8. FORM ─────────────────────────────────────────────── */
.input-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
.full-width { grid-column: 1 / -1; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}
.input-icon {
  position: absolute;
  left: 14px;
  width: 18px; height: 18px;
  color: var(--text-muted);
  pointer-events: none;
  flex-shrink: 0;
}

input[type="text"],
input[type="number"],
input[type="date"] {
  width: 100%;
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  padding: 11px 14px 11px 44px;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: var(--bg-card2);
}
input::placeholder { color: var(--text-muted); }

/* date picker color fix */
input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(0.6);
  cursor: pointer;
}

/* number input arrows */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button { opacity: 0.4; }

.field-error {
  font-size: 0.75rem;
  color: var(--red);
  min-height: 16px;
  display: block;
}

/* ── 9. BUTTONS ──────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  padding: 11px 20px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition);
}
.btn:hover::after { background: rgba(255,255,255,0.06); }
.btn:active { transform: scale(0.97); }

.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--purple));
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
  flex: 1;
}
.btn--primary:hover { box-shadow: 0 6px 28px rgba(99,102,241,0.5); }

.btn--danger {
  background: rgba(239,68,68,0.15);
  border: 1.5px solid rgba(239,68,68,0.3);
  color: var(--red-hover);
}
.btn--danger:hover {
  background: rgba(239,68,68,0.25);
  border-color: var(--red);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
}
.btn--ghost:hover {
  border-color: var(--text-muted);
  color: var(--text-primary);
}

.btn--icon-sm {
  padding: 7px;
  border-radius: var(--radius-sm);
  line-height: 0;
}

.form-actions {
  display: flex;
  gap: 12px;
}

/* ── 10. QUICK STATS CARD ────────────────────────────────── */
.stats-card { display: flex; flex-direction: column; }

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  flex: 1;
}
.stat-box {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color var(--transition), transform var(--transition);
}
.stat-box:hover {
  border-color: rgba(99,102,241,0.3);
  transform: translateY(-2px);
}
.stat-box--full { grid-column: 1 / -1; }

.stat-box-value {
  font-size: 1.9rem;
  font-weight: 800;
  line-height: 1;
  color: var(--accent-hover);
}
.stat-box-value--sm { font-size: 1.1rem; }
.stat-box-label {
  font-size: 0.74rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

/* ── 11. HISTORY HEADER & FILTER ─────────────────────────── */

.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
}
.history-header .card-header { margin-bottom: 0; }

.filter-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}
.search-icon {
  position: absolute;
  left: 12px;
  width: 17px; height: 17px;
  color: var(--text-muted);
  pointer-events: none;
}
#filterInput {
  padding: 9px 36px 9px 38px;
  font-size: 0.88rem;
  min-width: 210px;
}
.clear-filter-btn {
  position: absolute;
  right: 10px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  line-height: 1;
  padding: 2px 4px;
  border-radius: 4px;
  transition: color var(--transition);
  display: none;
}
.clear-filter-btn:hover { color: var(--text-primary); }
.clear-filter-btn.visible { display: block; }

.sort-select {
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.85rem;
  padding: 9px 12px;
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition);
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 16px;
  padding-right: 34px;
}
.sort-select:focus { border-color: var(--border-focus); }

.result-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  min-height: 18px;
}

/* ── 12. WORKOUT LIST ────────────────────────────────────── */
.workout-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.workout-item {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 16px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  animation: slideIn 0.3s cubic-bezier(0.4,0,0.2,1);
}
.workout-item:hover {
  border-color: rgba(99,102,241,0.25);
  transform: translateX(4px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.workout-main { display: flex; flex-direction: column; gap: 8px; }

.workout-name-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.workout-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: capitalize;
}
.progress-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 100px;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}
.progress-badge--up {
  background: rgba(34,197,94,0.15);
  color: var(--green);
  border: 1px solid rgba(34,197,94,0.3);
}
.progress-badge--down {
  background: rgba(239,68,68,0.12);
  color: var(--red-hover);
  border: 1px solid rgba(239,68,68,0.25);
}
.progress-badge--same {
  background: rgba(148,163,184,0.1);
  color: var(--text-muted);
  border: 1px solid rgba(148,163,184,0.15);
}

.workout-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.meta-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.83rem;
  color: var(--text-secondary);
}
.meta-chip svg { width: 14px; height: 14px; color: var(--text-muted); }
.meta-chip strong { color: var(--text-primary); font-weight: 600; }

.meta-sep {
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--text-muted);
}

.workout-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 5px;
}
.workout-date svg { width: 12px; height: 12px; }

/* delete button */
.delete-btn {
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.2);
  color: var(--red);
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all var(--transition);
  flex-shrink: 0;
}
.delete-btn svg { width: 16px; height: 16px; }
.delete-btn:hover {
  background: rgba(239,68,68,0.2);
  border-color: var(--red);
  color: #fff;
  transform: scale(1.1);
}

/* ── 13. PREVIOUS WEIGHT NOTE ────────────────────────────── */
.prev-note {
  font-size: 0.74rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── 14. EMPTY STATE ─────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
}
.empty-icon { font-size: 3.5rem; margin-bottom: 16px; }
.empty-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.empty-desc { font-size: 0.88rem; color: var(--text-muted); }

/* ── 15. MODAL ───────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(8px);
  display: grid;
  place-items: center;
  z-index: 100;
  animation: fadeIn 0.2s ease;
}
.modal-backdrop[hidden] { display: none; }

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  max-width: 400px;
  width: calc(100% - 40px);
  text-align: center;
  box-shadow: 0 24px 80px rgba(0,0,0,0.7);
  animation: scaleIn 0.25s cubic-bezier(0.4,0,0.2,1);
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to   { opacity: 1; transform: scale(1); }
}

.modal-icon { font-size: 2.5rem; margin-bottom: 14px; }
.modal-title {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 12px;
}
.modal-desc { font-size: 0.88rem; color: var(--text-secondary); margin-bottom: 28px; }
.modal-actions { display: flex; gap: 12px; justify-content: center; }

/* ── 16. TOAST ───────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 28px;
  right: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 200;
  pointer-events: none;
}
.toast {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 13px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  animation: slideUp 0.3s cubic-bezier(0.4,0,0.2,1),
             fadeOut 0.4s 2.4s ease forwards;
  max-width: 320px;
}
.toast--success { border-left: 3px solid var(--green); }
.toast--error   { border-left: 3px solid var(--red); }
.toast--info    { border-left: 3px solid var(--accent); }

.toast-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.toast--success .toast-dot { background: var(--green); }
.toast--error   .toast-dot { background: var(--red); }
.toast--info    .toast-dot { background: var(--accent); }

@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeOut {
  to { opacity: 0; transform: translateY(-8px); }
}

/* ── 17. FOOTER ──────────────────────────────────────────── */
.site-footer {
  margin-top: 48px;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  padding-bottom: 16px;
}

/* ── 18. SCROLLBAR ───────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb {
  background: rgba(99,102,241,0.35);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(99,102,241,0.55); }

/* ── 19. RESPONSIVE ──────────────────────────────────────── */

/* ── 19a. Large Desktop (≥1280px) ── */
@media (min-width: 1280px) {
  .app-wrapper { padding: 0 40px 80px; }
  .top-grid { grid-template-columns: 1fr 380px; }
  .card { padding: 32px; }
  .site-header { padding: 32px 0 28px; }
}

/* ── 19b. Tablet Landscape (≤1024px) ── */
@media (max-width: 1024px) {
  .top-grid { grid-template-columns: 1fr 300px; gap: 20px; }
  .stat-box-value { font-size: 1.6rem; }
}

/* ── 19c. Tablet Portrait (≤900px) ── */
@media (max-width: 900px) {
  /* Stack the two top cards vertically */
  .top-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* Stats card goes above the form on tablet */
  .stats-card { order: -1; }

  /* Stats grid becomes horizontal row of 4 on tablet */
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
  }
  .stat-box--full { grid-column: span 2; }
  .stat-box-value { font-size: 1.5rem; }

  /* Form keeps 2-col input layout on tablet */
  .input-grid { grid-template-columns: 1fr 1fr; }
  .full-width  { grid-column: 1 / -1; }

  /* History header: title left, filter right */
  .history-header {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
  }
  .filter-controls { flex: 1; justify-content: flex-end; }
}

/* ── 19d. Large Mobile (≤640px) ── */
@media (max-width: 640px) {
  /* Layout */
  .app-wrapper { padding: 0 16px 56px; }

  /* Header */
  .site-header { padding: 20px 0 18px; margin-bottom: 20px; }
  .header-inner { gap: 12px; }
  .header-stats {
    padding: 8px 16px;
    gap: 10px;
    border-radius: var(--radius-md);
  }
  .stat-value { font-size: 1.15rem; }
  .stat-label { font-size: 0.65rem; }
  .stat-divider { height: 28px; }
  .site-title { font-size: 1.55rem; }

  /* Cards */
  .card { padding: 20px 18px; border-radius: var(--radius-lg); }
  .card-header { margin-bottom: 18px; gap: 12px; }
  .card-title { font-size: 1rem; }
  .card-icon { width: 36px; height: 36px; }
  .card-icon svg { width: 18px; height: 18px; }

  /* Form: single-column */
  .input-grid {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-bottom: 16px;
  }
  .full-width { grid-column: span 1; }
  .form-actions {
    flex-direction: column;
    gap: 10px;
  }
  .btn--primary { flex: none; width: 100%; justify-content: center; }
  .btn--danger  { width: 100%; justify-content: center; }

  /* Stats panel: 2×2 grid */
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .stat-box--full { grid-column: 1 / -1; }
  .stat-box { padding: 14px; }
  .stat-box-value { font-size: 1.6rem; }
  .stat-box-value--sm { font-size: 1rem; }

  /* History section */
  .history-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
  .history-header .card-header { margin-bottom: 0; }
  .filter-controls {
    width: 100%;
    flex-direction: column;
    gap: 10px;
  }
  .search-wrapper { width: 100%; }
  #filterInput {
    min-width: unset;
    width: 100%;
    font-size: 0.92rem;
  }
  .sort-select { width: 100%; }

  /* Workout cards */
  .workout-item {
    padding: 14px 16px;
    gap: 12px;
  }
  .workout-name { font-size: 0.95rem; }
  .meta-chip    { font-size: 0.8rem; }
  .workout-date { font-size: 0.72rem; }
  .workout-meta { gap: 12px; }
  .delete-btn { width: 34px; height: 34px; }

  /* Modal */
  .modal {
    padding: 28px 20px;
    border-radius: var(--radius-lg);
    width: calc(100% - 32px);
  }
  .modal-actions { flex-direction: column-reverse; gap: 10px; }
  .modal-actions .btn { width: 100%; justify-content: center; }

  /* Toast */
  .toast-container {
    right: 12px;
    bottom: 12px;
    left: 12px;
  }
  .toast { max-width: 100%; }

  /* Blobs: shrink on mobile for performance */
  .blob-1 { width: 320px; height: 320px; }
  .blob-2 { width: 260px; height: 260px; }
  .blob-3 { width: 180px; height: 180px; }
}

/* ── 19e. Small Mobile (≤480px) ── */
@media (max-width: 480px) {
  .app-wrapper { padding: 0 12px 48px; }
  .site-title   { font-size: 1.35rem; }
  .site-subtitle { display: none; } /* hide tagline on very small screens */
  .logo-icon { width: 44px; height: 44px; }

  .stat-value { font-size: 1rem; }
  .header-stats { padding: 7px 12px; gap: 8px; }

  /* Workout meta: wrap to two rows neatly */
  .workout-meta { gap: 8px; }
  .meta-sep { display: none; } /* hide dot-separator, flex-wrap handles it */

  .empty-state { padding: 40px 12px; }
  .empty-icon  { font-size: 2.8rem; }

  input[type="text"],
  input[type="number"],
  input[type="date"] { font-size: 0.9rem; }
}

/* ── 19f. Extra-Small Mobile (≤360px) ── */
@media (max-width: 360px) {
  .app-wrapper { padding: 0 10px 40px; }
  .logo-icon   { width: 38px; height: 38px; }
  .logo-icon svg { width: 20px; height: 20px; }
  .site-title  { font-size: 1.2rem; }
  .header-stats { display: none; } /* too cramped; stats visible in the Quick Stats card */
  .card { padding: 16px 14px; border-radius: var(--radius-md); }
  .stat-box-value { font-size: 1.4rem; }
  .btn { padding: 10px 16px; font-size: 0.85rem; }
}

/* ── 19g. Touch devices: bigger tap targets ── */
@media (hover: none) and (pointer: coarse) {
  .delete-btn { width: 42px; height: 42px; }
  .btn        { padding: 13px 20px; }
  .clear-filter-btn { padding: 6px 8px; }
  .sort-select { padding: 11px 34px 11px 12px; }
  input[type="text"],
  input[type="number"],
  input[type="date"] { padding: 13px 14px 13px 44px; }

  /* Remove hover slide effect on touch (no hover state) */
  .workout-item:hover { transform: none; }
  .stat-box:hover     { transform: none; }
}

/* ── 19h. Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  .bg-blob { animation: none; }
  .workout-item { animation: none; }
  * { transition-duration: 0.01ms !important; }
}

/* ── 19i. Print styles ── */
@media print {
  .bg-blob, .site-footer, .form-card,
  .stats-card, .filter-controls, .delete-btn,
  .toast-container, .modal-backdrop { display: none !important; }
  body { background: #fff; color: #000; }
  .card { border: 1px solid #ccc; box-shadow: none; }
  .workout-item { border: 1px solid #ddd; break-inside: avoid; }
  .workout-name, .meta-chip strong { color: #000; }
}