/* ═══════════════════════════════════════════
   IRON LOG — Style System v2
   ═══════════════════════════════════════════ */

:root {
  --bg: #050508;
  --surface: #0c0c12;
  --surface2: #141420;
  --surface3: #1c1c2a;
  --border: #1e1e30;
  --border-light: #2a2a40;
  --accent: #c8ff00;
  --accent-dim: rgba(200, 255, 0, 0.1);
  --accent-glow: rgba(200, 255, 0, 0.25);
  --accent2: #00e5ff;
  --accent2-dim: rgba(0, 229, 255, 0.08);
  --red: #ff4757;
  --red-dim: rgba(255, 71, 87, 0.15);
  --blue: #3b82f6;
  --blue-dim: rgba(59, 130, 246, 0.15);
  --green: #22c55e;
  --text: #eaeaf0;
  --text-secondary: #8888a0;
  --muted: #555568;
  --nav-h: 72px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --radius: 16px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --glow-accent: 0 0 20px rgba(200, 255, 0, 0.15), 0 0 60px rgba(200, 255, 0, 0.05);
  --glow-cyan: 0 0 20px rgba(0, 229, 255, 0.1);
}

/* ─── RESET ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html { height: 100%; height: -webkit-fill-available; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', -apple-system, sans-serif;
  display: flex;
  flex-direction: column;
  overscroll-behavior: none;
  overflow: hidden;
  height: 100%;
  height: -webkit-fill-available;
  -webkit-text-size-adjust: 100%;
}
body::before {
  content: '';
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(ellipse 600px 400px at 20% 10%, rgba(200, 255, 0, 0.03), transparent),
    radial-gradient(ellipse 500px 500px at 80% 90%, rgba(0, 229, 255, 0.02), transparent);
}

/* ─── SCREENS ─── */
#app { flex: 1; overflow: hidden; position: relative; }
.screen {
  position: absolute; inset: 0;
  overflow-y: auto; -webkit-overflow-scrolling: touch;
  padding: 24px 18px calc(var(--nav-h) + var(--safe-bottom) + 24px);
  display: none;
  scroll-behavior: smooth;
}
.screen.active { display: block; }

.screen-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}

/* ─── BOTTOM NAV ─── */
nav {
  position: fixed; bottom: 0; left: 0; right: 0;
  height: calc(var(--nav-h) + var(--safe-bottom));
  padding-bottom: var(--safe-bottom);
  background: rgba(5, 5, 10, 0.88);
  backdrop-filter: blur(30px) saturate(180%);
  -webkit-backdrop-filter: blur(30px) saturate(180%);
  border-top: 1px solid rgba(200, 255, 0, 0.06);
  display: flex; align-items: flex-start;
  z-index: 100;
  touch-action: manipulation;
}
nav button {
  flex: 1; background: none; border: none;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 4px; padding-top: 12px; cursor: pointer;
  color: var(--muted); transition: all 0.2s ease;
  position: relative;
}
nav button.active { color: var(--accent); }
nav button.active::before {
  content: '';
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 24px; height: 2px; border-radius: 2px;
  background: var(--accent);
}
nav button .icon { font-size: 22px; line-height: 1; }
nav button .label {
  font-family: 'DM Mono', monospace; font-size: 9px;
  text-transform: uppercase; letter-spacing: 1.5px;
}

/* ─── TYPOGRAPHY ─── */
.page-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 42px; letter-spacing: 4px; line-height: 1;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 0%, var(--accent) 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
}
.section-label {
  font-family: 'DM Mono', monospace; font-size: 10px;
  text-transform: uppercase; letter-spacing: 2.5px;
  color: var(--muted); margin-bottom: 10px;
}

/* ─── BADGES ─── */
.badge {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: 'Bebas Neue', sans-serif; font-size: 18px; letter-spacing: 1px;
  width: 42px; height: 42px; border-radius: var(--radius-xs); flex-shrink: 0;
  background: var(--accent); color: #000;
  box-shadow: 0 2px 12px rgba(200, 255, 0, 0.25);
}
.badge.B { background: #3b82f6; color: #fff; box-shadow: 0 2px 12px rgba(59, 130, 246, 0.25); }
.badge.C { background: #f97316; color: #fff; box-shadow: 0 2px 12px rgba(249, 115, 22, 0.25); }
.badge.D { background: #a855f7; color: #fff; box-shadow: 0 2px 12px rgba(168, 85, 247, 0.25); }
.badge.E { background: #ec4899; color: #fff; box-shadow: 0 2px 12px rgba(236, 72, 153, 0.25); }
.badge.F { background: #14b8a6; color: #000; box-shadow: 0 2px 12px rgba(20, 184, 166, 0.25); }
.badge.G { background: #64748b; color: #fff; box-shadow: 0 2px 12px rgba(100, 116, 139, 0.25); }

/* ─── CARDS ─── */
.card {
  background: linear-gradient(160deg, var(--surface) 0%, rgba(12, 12, 20, 0.8) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px;
  margin-bottom: 14px;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200, 255, 0, 0.2), transparent);
}
.glass-card {
  background: linear-gradient(160deg, rgba(12, 12, 20, 0.95), rgba(20, 20, 32, 0.7));
  border: 1px solid rgba(200, 255, 0, 0.06);
  backdrop-filter: blur(16px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}
.card-row {
  display: flex; align-items: center; gap: 12px;
}

/* ─── STATS ─── */
.stats-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.stat-box {
  background: linear-gradient(160deg, rgba(12, 12, 20, 0.9) 0%, rgba(20, 20, 35, 0.6) 100%);
  border: 1px solid rgba(200, 255, 0, 0.08);
  border-radius: var(--radius); padding: 16px 10px; text-align: center;
  position: relative; overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(200, 255, 0, 0.05);
}
.stat-box::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.5;
}
.stat-box::after {
  content: '';
  position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 60%; height: 40%;
  background: radial-gradient(ellipse, rgba(200, 255, 0, 0.04), transparent);
  pointer-events: none;
}
.stat-icon { font-size: 16px; margin-bottom: 4px; }
.stat-val { font-family: 'Bebas Neue', sans-serif; font-size: 40px; color: var(--accent); line-height: 1; text-shadow: 0 0 20px rgba(200, 255, 0, 0.3); }
.stat-lbl { font-family: 'DM Mono', monospace; font-size: 8px; text-transform: uppercase; letter-spacing: 2px; color: var(--muted); margin-top: 4px; }

/* ─── WEEK PROGRESS ─── */
.week-progress {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px;
  margin-bottom: 4px;
}
.week-progress-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px;
}
.week-progress-count {
  font-family: 'DM Mono', monospace; font-size: 11px;
  color: var(--accent); letter-spacing: 0.5px;
}
.week-dots {
  display: flex; gap: 6px; justify-content: space-between;
}
.week-dot {
  flex: 1; height: 8px; border-radius: 4px;
  background: var(--surface2); border: 1px solid var(--border);
  transition: all 0.3s ease;
}
.week-dot.filled {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(200, 255, 0, 0.4);
}
.week-dot.today {
  border-color: var(--accent);
  background: var(--accent-dim);
}

/* ─── ACTION GRID ─── */
.action-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}
.action-card {
  background: linear-gradient(160deg, var(--surface) 0%, var(--surface2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px 14px;
  cursor: pointer; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  transition: all 0.25s ease;
  color: var(--text);
  position: relative; overflow: hidden;
}
.action-card::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(200, 255, 0, 0.03), transparent);
  opacity: 0; transition: opacity 0.3s;
}
.action-card:active {
  transform: scale(0.96);
  border-color: var(--accent);
}
.action-card:active::after { opacity: 1; }
.action-card--primary {
  background: linear-gradient(160deg, rgba(200, 255, 0, 0.1) 0%, rgba(200, 255, 0, 0.02) 100%);
  border-color: rgba(200, 255, 0, 0.2);
  box-shadow: 0 4px 24px rgba(200, 255, 0, 0.06);
}
.action-card-icon { font-size: 32px; }
.action-card-label {
  font-family: 'DM Mono', monospace; font-size: 11px;
  text-transform: uppercase; letter-spacing: 1px;
  color: var(--text-secondary); line-height: 1.4;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 14px 20px; border-radius: var(--radius-sm); border: none; cursor: pointer;
  font-family: 'DM Mono', monospace; font-size: 12px;
  text-transform: uppercase; letter-spacing: 1.5px;
  transition: all 0.2s ease; min-height: 48px; font-weight: 500;
  touch-action: manipulation;
  -webkit-touch-callout: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #a0d900 100%);
  color: #000; width: 100%;
  box-shadow: 0 4px 20px rgba(200, 255, 0, 0.2), inset 0 1px 0 rgba(255,255,255,0.2);
  font-weight: 600;
}
.btn-primary:active { background: linear-gradient(135deg, #a0d900, #90c000); transform: scale(0.98); }
.btn-glow {
  box-shadow: 0 4px 30px rgba(200, 255, 0, 0.3), 0 0 60px rgba(200, 255, 0, 0.1), inset 0 1px 0 rgba(255,255,255,0.15);
}
.btn-ghost {
  background: transparent; color: var(--text-secondary);
  border: 1px solid var(--border); width: 100%;
}
.btn-ghost:active { background: var(--surface2); }
.btn-danger {
  background: var(--red-dim); color: var(--red);
  border: 1px solid rgba(255, 71, 87, 0.3);
}
.btn-danger:active { background: var(--red); color: #fff; }
.btn-sm { padding: 8px 14px; font-size: 10px; min-height: 36px; width: auto; }
.btn-icon {
  width: 40px; height: 40px; padding: 0; border-radius: var(--radius-xs);
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--muted); flex-shrink: 0;
}
.btn-icon:active { background: var(--border); }
.btn-icon-text { display: inline-flex; gap: 4px; }

.data-actions { display: flex; gap: 6px; }

/* ─── SPINNER ─── */
.spinner {
  display: inline-block; width: 16px; height: 16px;
  border: 2px solid rgba(0,0,0,0.2); border-top-color: #000;
  border-radius: 50%; animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── INPUTS ─── */
.field { margin-bottom: 14px; }
label.lbl {
  display: block; font-family: 'DM Mono', monospace;
  font-size: 10px; text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--muted); margin-bottom: 6px;
}
input, select, textarea {
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--text); padding: 14px; border-radius: var(--radius-sm);
  font-family: 'DM Sans', sans-serif; font-size: 16px;
  width: 100%; transition: all 0.2s ease;
  -webkit-appearance: none; appearance: none;
  -webkit-border-radius: 10px;
}
input[type="date"]::-webkit-calendar-picker-indicator { opacity: 0.5; filter: invert(1); }
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23666' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px;
}
select option { background: var(--surface2); }
textarea { resize: vertical; min-height: 60px; font-size: 15px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }

/* ─── CHIPS ─── */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 4px; }
.chip {
  padding: 8px 14px; border-radius: 20px; border: 1px solid var(--border);
  background: var(--surface2); color: var(--muted);
  font-family: 'DM Mono', monospace; font-size: 11px;
  text-transform: uppercase; letter-spacing: 1px; cursor: pointer;
  transition: all 0.2s ease;
}
.chip.selected {
  background: var(--accent); color: #000; border-color: var(--accent); font-weight: 600;
  box-shadow: 0 2px 12px rgba(200, 255, 0, 0.25);
}

/* ─── SHEET ─── */
.overlay {
  position: fixed; inset: 0; background: rgba(0, 0, 0, 0.75);
  z-index: 300; display: none; align-items: flex-end;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.overlay.show { display: flex; }
.sheet {
  background: linear-gradient(180deg, var(--surface2) 0%, var(--surface) 100%);
  border-radius: 24px 24px 0 0;
  border: 1px solid rgba(200, 255, 0, 0.06); border-bottom: none;
  width: 100%; max-height: 92vh;
  display: flex; flex-direction: column;
  animation: slideUp 0.35s cubic-bezier(0.32, 0.72, 0, 1);
  box-shadow: 0 -10px 60px rgba(0, 0, 0, 0.5);
}
@keyframes slideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }
.sheet-handle {
  width: 36px; height: 4px; background: var(--border-light);
  border-radius: 2px; margin: 12px auto 0; flex-shrink: 0;
}
.sheet-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px 14px; border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.sheet-title { font-family: 'Bebas Neue', sans-serif; font-size: 26px; letter-spacing: 1.5px; }
.sheet-body { overflow-y: auto; -webkit-overflow-scrolling: touch; padding: 20px; flex: 1; }
.sheet-footer {
  padding: 16px 20px calc(var(--safe-bottom) + 16px);
  border-top: 1px solid var(--border); flex-shrink: 0;
}

/* ─── HISTORY ITEM ─── */
.hist-item {
  background: linear-gradient(160deg, var(--surface) 0%, rgba(12,12,20,0.6) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px; margin-bottom: 10px;
  display: flex; align-items: center; gap: 12px; cursor: pointer;
  transition: all 0.25s ease;
  position: relative; overflow: hidden;
}
.hist-item::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background: var(--accent); opacity: 0; transition: opacity 0.2s;
}
.hist-item:active { border-color: var(--accent); background: var(--surface2); transform: scale(0.985); }
.hist-item:active::before { opacity: 1; }
.hist-info { flex: 1; min-width: 0; }
.hist-name { font-weight: 600; font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hist-meta { font-family: 'DM Mono', monospace; font-size: 11px; color: var(--muted); margin-top: 2px; }
.hist-date { font-family: 'DM Mono', monospace; font-size: 11px; color: var(--muted); text-align: right; flex-shrink: 0; }

/* ─── SET CARD ─── */
.set-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm); margin-bottom: 12px; overflow: hidden;
}
.set-card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 14px; border-bottom: 1px solid var(--border);
}
.set-card-name { font-weight: 600; font-size: 15px; flex: 1; }
.set-card-prev {
  font-family: 'DM Mono', monospace; font-size: 10px; color: var(--muted);
  background: var(--surface); padding: 2px 8px; border-radius: 4px;
  margin-left: 8px;
}
.set-card-peso-sug {
  font-family: 'DM Mono', monospace; font-size: 10px; color: var(--accent);
  background: rgba(99, 102, 241, 0.12); padding: 2px 8px; border-radius: 4px;
  margin-left: 4px;
}
.set-card-dica {
  font-size: 12px; color: var(--muted); font-style: italic;
  padding: 4px 14px 8px; line-height: 1.4;
}
.btn-yt {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 50%;
  background: rgba(255, 0, 0, 0.15); color: #ff4444;
  font-size: 10px; text-decoration: none; flex-shrink: 0;
  transition: background 0.2s;
}
.btn-yt:active { background: rgba(255, 0, 0, 0.3); }
.set-row {
  display: grid; grid-template-columns: 28px 1fr 1fr 44px;
  gap: 8px; align-items: center; padding: 8px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}
.set-row:last-child { border-bottom: none; }
.set-num { font-family: 'DM Mono', monospace; font-size: 12px; color: var(--muted); text-align: center; }
.set-row input { padding: 10px; text-align: center; font-size: 15px; border-radius: var(--radius-xs); }
.set-done {
  width: 38px; height: 38px; border-radius: var(--radius-xs);
  border: 2px solid var(--border); background: transparent;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 16px; transition: all 0.2s ease;
  flex-shrink: 0; color: transparent;
}
.set-done.checked {
  background: var(--accent); border-color: var(--accent); color: #000;
  box-shadow: 0 2px 12px rgba(200, 255, 0, 0.4);
  animation: checkPop 0.3s ease;
}
@keyframes checkPop { 0% { transform: scale(0.8); } 50% { transform: scale(1.15); } 100% { transform: scale(1); } }

/* ─── PLAN CARD ─── */
.plan-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius); margin-bottom: 12px; overflow: hidden;
  transition: border-color 0.2s ease;
}
.plan-card-header {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; cursor: pointer;
}
.plan-card-header:active { background: var(--surface2); }
.plan-card-title { font-family: 'Bebas Neue', sans-serif; font-size: 20px; letter-spacing: 1px; flex: 1; }
.plan-card-chevron {
  color: var(--muted); transition: transform 0.2s ease; font-size: 14px;
}
.plan-card-chevron.open { transform: rotate(90deg); }
.plan-card-body { display: none; padding: 0 16px 16px; border-top: 1px solid var(--border); }
.plan-card-body.open { display: block; }

.ex-item {
  display: flex; flex-direction: column; gap: 2px;
  padding: 10px 0; border-bottom: 1px solid var(--border);
}
.ex-item:last-child { border-bottom: none; }
.ex-item-top { display: flex; align-items: center; gap: 8px; width: 100%; }
.ex-item-name { flex: 1; font-size: 15px; }
.ex-item-meta { font-family: 'DM Mono', monospace; font-size: 12px; color: var(--muted); }
.ex-item-peso {
  font-family: 'DM Mono', monospace; font-size: 10px; color: var(--accent);
  background: rgba(99, 102, 241, 0.12); padding: 2px 8px; border-radius: 4px;
}
.ex-item-dica {
  font-size: 12px; color: var(--muted); font-style: italic;
  padding-left: 2px; line-height: 1.4;
}

/* ─── EXERCISE ADD ROW ─── */
.ex-add-row {
  display: grid; grid-template-columns: 1fr 52px 52px 36px;
  gap: 8px; align-items: flex-end; margin-bottom: 10px;
}
.ex-add-row input { font-size: 15px; padding: 12px; }
.ex-add-row .btn-icon { height: 46px; }

/* ─── WEIGHT / MEDIDAS ─── */
canvas { width: 100% !important; display: block; }
.w-item {
  display: flex; flex-direction: column; align-items: flex-start; gap: 6px;
  padding: 12px 0; border-bottom: 1px solid var(--border);
}
.w-item:last-child { border-bottom: none; }
.w-val { font-family: 'Bebas Neue', sans-serif; font-size: 28px; color: var(--accent); }
.w-date { font-family: 'DM Mono', monospace; font-size: 11px; color: var(--muted); }

/* ─── AI SHEET ─── */
.ai-intro {
  font-size: 14px; color: var(--text-secondary);
  line-height: 1.6; margin-bottom: 20px;
  padding: 14px; border-radius: var(--radius-sm);
  background: var(--accent-dim);
  border: 1px solid rgba(200, 255, 0, 0.1);
}
.ai-intro strong { color: var(--accent); }

/* AI Result Cards */
.ai-plan-result {
  margin-bottom: 16px;
}
.ai-plan-card {
  background: linear-gradient(160deg, var(--surface2) 0%, var(--surface) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px;
  margin-bottom: 12px; transition: border-color 0.2s;
}
.ai-plan-card:hover { border-color: var(--accent); }
.ai-plan-header {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 12px;
}
.ai-plan-day {
  font-family: 'DM Mono', monospace; font-size: 10px;
  text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--accent);
}
.ai-plan-name {
  font-family: 'Bebas Neue', sans-serif; font-size: 20px;
  letter-spacing: 1px;
}
.ai-ex-list { list-style: none; }
.ai-ex-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 14px;
}
.ai-ex-item:last-child { border-bottom: none; }
.ai-ex-meta {
  font-family: 'DM Mono', monospace; font-size: 11px;
  color: var(--muted); white-space: nowrap;
}
.ai-ex-dica {
  font-size: 12px; color: var(--text-secondary);
  font-style: italic; padding: 4px 0 2px 12px;
  border-left: 2px solid var(--accent-dim);
  margin-top: 2px;
}
.ai-success-banner {
  background: linear-gradient(135deg, rgba(200,255,0,0.1), rgba(200,255,0,0.03));
  border: 1px solid rgba(200,255,0,0.2);
  border-radius: var(--radius); padding: 16px;
  text-align: center; margin-bottom: 16px;
}
.ai-success-icon { font-size: 40px; display: block; margin-bottom: 8px; }
.ai-success-title {
  font-family: 'Bebas Neue', sans-serif; font-size: 24px;
  letter-spacing: 1px; color: var(--accent);
}
.ai-success-sub {
  font-family: 'DM Mono', monospace; font-size: 11px;
  color: var(--muted); margin-top: 4px;
}

/* ─── EMPTY STATE ─── */
.empty {
  text-align: center; padding: 40px 20px; color: var(--muted);
  font-family: 'DM Mono', monospace; font-size: 12px;
}
.empty-icon { font-size: 48px; display: block; margin-bottom: 12px; opacity: 0.6; }
.empty-action {
  margin-top: 16px;
}

/* ─── TOAST ─── */
.toast {
  position: fixed; bottom: calc(var(--nav-h) + var(--safe-bottom) + 16px); left: 16px; right: 16px;
  background: var(--accent); color: #000;
  font-family: 'DM Mono', monospace; font-size: 12px;
  text-transform: uppercase; letter-spacing: 1px;
  padding: 14px 20px; border-radius: var(--radius-sm); text-align: center;
  transform: translateY(20px); opacity: 0;
  transition: all 0.3s cubic-bezier(0.32, 0.72, 0, 1);
  z-index: 999; pointer-events: none;
  box-shadow: 0 8px 32px rgba(200, 255, 0, 0.3);
}
.toast.show { transform: translateY(0); opacity: 1; }

/* ─── DIVIDER ─── */
hr { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

/* ─── INSTALL STEPS ─── */
.install-steps { display: flex; flex-direction: column; gap: 14px; margin-bottom: 16px; }
.install-step {
  display: flex; align-items: flex-start; gap: 12px; font-size: 15px; padding-top: 2px;
}
.step-num {
  background: var(--accent); color: #000;
  border-radius: 50%; width: 28px; height: 28px; min-width: 28px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px;
}
.step-num.blue { background: var(--blue); color: #fff; }

/* ─── SPLASH ─── */
#splash {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 28px;
  transition: opacity 0.5s ease;
}
#splash.hide { opacity: 0; pointer-events: none; }
.splash-icon {
  width: 100px; height: 100px; border-radius: 24px;
  background: var(--bg); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  animation: splashPulse 1.5s ease-in-out infinite;
}
@keyframes splashPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(200, 255, 0, 0.3); }
  50% { box-shadow: 0 0 0 20px rgba(200, 255, 0, 0); }
}
.splash-dumbbell { width: 64px; height: 64px; }
.splash-name {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 48px; letter-spacing: 10px; color: var(--text);
  text-shadow: 0 0 30px rgba(200, 255, 0, 0.2);
}
.splash-name span { color: var(--accent); text-shadow: 0 0 20px rgba(200, 255, 0, 0.4); }
.splash-sub {
  font-family: 'DM Mono', monospace;
  font-size: 11px; letter-spacing: 3px;
  text-transform: uppercase; color: #444;
  margin-top: -20px;
}

/* ─── REST TIMER ─── */
#timer-overlay {
  position: fixed; inset: 0; z-index: 400;
  background: rgba(6, 6, 8, 0.95);
  backdrop-filter: blur(20px);
  display: none; flex-direction: column;
  align-items: center; justify-content: center; gap: 16px;
}
#timer-overlay.show { display: flex; }
.timer-ring { position: relative; width: 200px; height: 200px; }
.timer-ring svg { transform: rotate(-90deg); }
.timer-ring circle { fill: none; stroke-width: 6; }
.timer-ring .ring-bg { stroke: var(--surface2); }
.timer-ring .ring-progress {
  stroke: var(--accent); stroke-linecap: round;
  transition: stroke-dashoffset 1s linear;
  filter: drop-shadow(0 0 12px rgba(200, 255, 0, 0.5)) drop-shadow(0 0 30px rgba(200, 255, 0, 0.2));
}
.timer-val {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Bebas Neue', sans-serif; font-size: 72px;
  letter-spacing: 2px; color: var(--text);
}
.timer-label {
  font-family: 'DM Mono', monospace; font-size: 11px;
  text-transform: uppercase; letter-spacing: 3px; color: var(--muted);
}
.timer-exercise {
  font-family: 'DM Sans', sans-serif; font-size: 16px;
  font-weight: 600; color: var(--text); text-align: center; padding: 0 32px;
}
.timer-btns { display: flex; gap: 12px; margin-top: 8px; }
.timer-preset {
  padding: 10px 18px; border-radius: var(--radius-xs);
  border: 1px solid var(--border); background: var(--surface2);
  color: var(--muted); font-family: 'DM Mono', monospace;
  font-size: 12px; text-transform: uppercase; letter-spacing: 1px;
  cursor: pointer; transition: all 0.2s ease;
}
.timer-preset:active { background: var(--accent); color: #000; border-color: var(--accent); }

/* ─── TREINAR PLAN CARD ─── */
.quick-plan-card {
  background: linear-gradient(160deg, var(--surface) 0%, rgba(12,12,20,0.6) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px; margin-bottom: 10px;
  display: flex; align-items: center; gap: 12px; cursor: pointer;
  transition: all 0.25s ease;
  position: relative; overflow: hidden;
}
.quick-plan-card::before {
  content: '';
  position: absolute; right: -20px; top: -20px;
  width: 80px; height: 80px;
  background: radial-gradient(circle, rgba(200, 255, 0, 0.04), transparent);
  pointer-events: none;
}
.quick-plan-card:active { border-color: var(--accent); transform: scale(0.985); }
.quick-plan-info { flex: 1; min-width: 0; }
.quick-plan-name { font-weight: 600; font-size: 15px; }
.quick-plan-meta {
  font-family: 'DM Mono', monospace; font-size: 11px;
  color: var(--muted); margin-top: 2px;
}
.quick-plan-go { font-size: 20px; color: var(--accent); }

/* ─── PWA FAB ─── */
#pwa-fab {
  position: fixed;
  bottom: calc(var(--nav-h) + env(safe-area-inset-bottom, 0px) + 14px);
  right: 18px;
  width: 48px; height: 48px; border-radius: var(--radius);
  border: 1px solid rgba(200, 255, 0, 0.3);
  background: var(--surface); font-size: 22px; cursor: pointer; z-index: 90;
  box-shadow: 0 4px 24px rgba(200, 255, 0, 0.2);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s ease;
}
#pwa-fab:active { transform: scale(0.9); }

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ─── TOGGLE SWITCH ─── */
#ai-replace:checked + span { background: var(--accent) !important; }
#ai-replace:checked ~ #ai-replace-knob { left: 22px !important; }

/* ─── SETTINGS ─── */
.btn-settings {
  font-size: 20px; margin-top: 4px; opacity: 0.6;
  background: none; border: none; padding: 4px;
}
.btn-settings:active { opacity: 1; }
.field-input {
  width: 100%; padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text); font-size: 14px;
}

/* ─── ANIMATIONS ─── */
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadeIn 0.3s ease; }