/* ══════════════════════════════════════════════════════════════════════════
   FIT-VERSE — Component Styles
   Depends on tokens.css. All rules read CSS vars so they restyle when
   the theme class on <html> changes.
   ══════════════════════════════════════════════════════════════════════════ */

/* ── Base ────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--bg-primary); }
body {
    margin: 0;
    background: var(--bg-primary);
    background-image: var(--body-grad);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.45;
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: transparent;
}

/* ── Typography ──────────────────────────────────────────────────── */
.fv-display {
    font-family: var(--font-display);
    font-weight: 900;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.fv-h1 {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 1.4rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-magenta));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}
.fv-h2 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--text-primary);
    margin: 0;
}
.fv-h3 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-primary);
    margin: 0;
}
.fv-label {
    font-family: var(--font-body);
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: var(--text-secondary);
}
.fv-body {
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 400;
    color: var(--text-primary);
}
.fv-caption {
    font-family: var(--font-body);
    font-size: 0.72rem;
    color: var(--text-secondary);
}
.fv-readout {
    /* Large numeric display — timer, PR, weight */
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--timer-display);
    text-shadow: 0 0 15px var(--glow-soft);
    font-variant-numeric: tabular-nums;
    letter-spacing: 1px;
}

/* ── Plasma buttons ──────────────────────────────────────────────────
   The signature component: accent conic-gradient ring with a panel-
   colored inner fill, so the button reads as "rim-lit". Critical for
   Fit-Verse's futuristic-HUD feel.
   ─────────────────────────────────────────────────────────────────── */
.fv-btn {
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    padding: 0.55rem 0.9rem;
    border-radius: var(--r-md);
    border: none;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    position: relative;
    z-index: 0;
    min-height: var(--hit);
    transition: transform var(--dur-fast), text-shadow var(--dur-base);
    -webkit-tap-highlight-color: transparent;
}
.fv-btn:active { transform: scale(0.97); }

.fv-btn-primary {
    color: var(--accent-cyan);
    background: var(--bg-panel);
}
.fv-btn-primary::before,
.fv-btn-green::before,
.fv-btn-destructive::before {
    content: '';
    position: absolute;
    inset: -1.5px;
    border-radius: calc(var(--r-md) + 1.5px);
    z-index: -1;
    background: conic-gradient(
        from 135deg,
        rgba(var(--accent-rgb), 0.15),
        rgba(var(--accent-rgb), 0.55),
        rgba(var(--accent2-rgb), 0.3),
        rgba(var(--accent-rgb), 0.15)
    );
}
.fv-btn-primary::after,
.fv-btn-green::after,
.fv-btn-destructive::after {
    content: '';
    position: absolute;
    inset: 1.5px;
    border-radius: calc(var(--r-md) - 1.5px);
    z-index: -1;
    background: var(--bg-panel);
    transition: background var(--dur-fast);
}
.fv-btn-primary:hover::after { background: var(--bg-elevated); }
.fv-btn-primary:hover       { text-shadow: 0 0 8px rgba(var(--accent-rgb), 0.5); }

.fv-btn-green {
    color: var(--ok);
    background: var(--bg-panel);
}
.fv-btn-green::before {
    background: conic-gradient(from 135deg, rgba(74,222,128,0.15), rgba(74,222,128,0.55), rgba(16,185,129,0.3), rgba(74,222,128,0.15));
}
.fv-btn-green:hover::after { background: var(--bg-elevated); }
.fv-btn-green:hover       { text-shadow: 0 0 8px rgba(74,222,128,0.5); }

.fv-btn-destructive {
    color: var(--danger);
    background: var(--bg-panel);
}
.fv-btn-destructive::before {
    background: conic-gradient(from 135deg, rgba(244,67,54,0.15), rgba(244,67,54,0.55), rgba(255,126,126,0.3), rgba(244,67,54,0.15));
}
.fv-btn-destructive:hover::after { background: var(--bg-elevated); }
.fv-btn-destructive:hover       { text-shadow: 0 0 8px rgba(244,67,54,0.5); }

.fv-btn-secondary {
    font-family: var(--font-body);
    font-weight: 500;
    letter-spacing: 0;
    text-transform: none;
    color: var(--text-secondary);
    background: var(--w3);
    border: 1px solid var(--w10);
}
.fv-btn-secondary:hover {
    background: var(--w6);
    border-color: var(--w15);
}

.fv-btn-ghost {
    font-family: var(--font-body);
    font-weight: 500;
    letter-spacing: 0;
    text-transform: none;
    color: var(--text-secondary);
    background: transparent;
}
.fv-btn-ghost:hover {
    color: var(--text-primary);
    background: var(--w3);
}

.fv-btn-sm { font-size: 0.65rem; padding: 0.4rem 0.7rem; min-height: 36px; }
.fv-btn-lg { font-size: 0.85rem; padding: 0.9rem 1.2rem; min-height: 52px; }
.fv-btn-block { width: 100%; }

/* ── Tab button (main workout/health/trainer bar) ────────────────── */
.fv-tab-btn {
    flex: 1;
    background: var(--w15);
    border: 1px solid var(--w8);
    color: var(--text-secondary);
    padding: 0.45rem 0.3rem;
    border-radius: var(--r-md);
    cursor: pointer;
    font-size: 0.85rem;
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    min-height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color var(--dur-base), background var(--dur-base), box-shadow var(--dur-base);
}
.fv-tab-btn:hover  { background: var(--w20); }
.fv-tab-btn:active { transform: scale(0.97); filter: brightness(0.9); }
.fv-tab-btn.active {
    color: var(--text-primary);
    background: rgba(var(--accent-rgb), 0.12);
    border-color: rgba(var(--accent-rgb), 0.4);
    box-shadow: 0 0 16px var(--glow-soft);
}

/* ── Sub-tab bar (mode switch inside a tab) ──────────────────────── */
.fv-subtab-bar {
    display: flex;
    width: 100%;
    background: rgba(0,0,0,0.25);
    border-bottom: 1px solid var(--w8);
    position: sticky;
    top: 0;
    z-index: 20;
}
.fv-subtab {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    padding: 0.7rem 0.4rem;
    cursor: pointer;
    min-height: var(--hit);
    position: relative;
    transition: color var(--dur-fast);
}
.fv-subtab + .fv-subtab { border-left: 1px solid var(--w8); }
.fv-subtab.active {
    color: var(--accent-cyan);
}
.fv-subtab.active::after {
    content: '';
    position: absolute;
    bottom: -1px; left: 20%; right: 20%;
    height: 2px;
    background: var(--accent-cyan);
    box-shadow: 0 0 8px var(--glow);
}

/* ── Chips ──────────────────────────────────────────────────────── */
.fv-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    height: 28px;
    padding: 0 0.7rem;
    border-radius: var(--r-pill);
    font-family: var(--font-body);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    border: 1px solid var(--w10);
    background: var(--w3);
    color: var(--text-secondary);
    cursor: pointer;
    transition: background var(--dur-fast), border-color var(--dur-fast), color var(--dur-fast);
}
.fv-chip:hover { background: var(--w6); border-color: var(--w15); color: var(--text-primary); }
.fv-chip.active {
    background: rgba(var(--accent-rgb), 0.1);
    border-color: rgba(var(--accent-rgb), 0.45);
    color: var(--accent-cyan);
}

/* ── Pill toggle switch ──────────────────────────────────────────── */
.fv-pill-toggle {
    position: relative;
    width: 40px;
    height: 22px;
    background: var(--w12);
    border-radius: var(--r-pill);
    cursor: pointer;
    transition: background var(--dur-base);
    flex-shrink: 0;
    border: none;
    padding: 0;
}
.fv-pill-toggle::after {
    content: '';
    position: absolute;
    top: 2px; left: 2px;
    width: 18px; height: 18px;
    background: var(--text-secondary);
    border-radius: 50%;
    transition: all var(--dur-base);
}
.fv-pill-toggle.on {
    background: rgba(var(--accent-rgb), 0.5);
}
.fv-pill-toggle.on::after {
    left: 20px;
    background: var(--accent-cyan);
    box-shadow: 0 0 8px var(--glow);
}

/* ── Card ────────────────────────────────────────────────────────── */
.fv-card {
    background: var(--w3);
    border: 1px solid var(--w10);
    border-radius: var(--r-lg);
    padding: 1rem;
    color: var(--text-primary);
}
.fv-card-accent {
    border-color: rgba(var(--accent-rgb), 0.3);
    box-shadow: inset 0 1px 0 rgba(var(--accent-rgb), 0.08),
                0 3px 12px rgba(var(--accent-rgb), 0.08);
}
.fv-card-interactive {
    cursor: pointer;
    transition: background var(--dur-fast), border-color var(--dur-fast), transform var(--dur-fast);
}
.fv-card-interactive:hover {
    background: var(--w6);
    border-color: var(--w15);
}
.fv-card-interactive:active {
    background: rgba(var(--accent-rgb), 0.08);
    border-color: rgba(var(--accent-rgb), 0.3);
    transform: scale(0.99);
}

/* Hub-card — icon over label, grid tile */
.fv-hub-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 0.4rem;
    background: var(--w3);
    border: 1px solid var(--w15);
    border-radius: var(--r-lg);
    cursor: pointer;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 600;
    text-align: center;
    letter-spacing: 0.3px;
    transition: background var(--dur-fast), border-color var(--dur-fast), transform var(--dur-fast);
    min-height: 88px;
}
.fv-hub-card:hover { background: var(--w6); border-color: var(--w20); }
.fv-hub-card:active {
    background: rgba(var(--accent-rgb), 0.08);
    border-color: rgba(var(--accent-rgb), 0.3);
    transform: scale(0.98);
}
.fv-hub-card svg { width: 28px; height: 28px; color: var(--accent-cyan); }

/* ── Input / select / textarea ───────────────────────────────────── */
.fv-input, .fv-select, .fv-textarea {
    width: 100%;
    background: var(--w3);
    border: 1px solid var(--w10);
    border-radius: var(--r-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    padding: 0.6rem 0.8rem;
    min-height: var(--hit);
    outline: none;
    transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.fv-input:focus, .fv-select:focus, .fv-textarea:focus {
    border-color: rgba(var(--accent-rgb), 0.6);
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.15);
}
.fv-input::placeholder, .fv-textarea::placeholder { color: var(--text-secondary); opacity: 0.6; }
.fv-textarea { min-height: 96px; resize: vertical; }

.fv-field { display: block; }
.fv-field > .fv-label { display: block; margin-bottom: 0.4rem; }

/* ── Badge / status dot ──────────────────────────────────────────── */
.fv-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.15rem 0.5rem;
    font-family: var(--font-body);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    border-radius: var(--r-pill);
    background: rgba(var(--accent-rgb), 0.15);
    color: var(--accent-cyan);
}
.fv-badge-ok      { background: rgba(74,222,128,0.15);  color: var(--ok); }
.fv-badge-warn    { background: rgba(251,191,36,0.15);  color: var(--warn); }
.fv-badge-danger  { background: rgba(244,67,54,0.15);   color: var(--danger); }
.fv-badge-neutral { background: var(--w8); color: var(--text-secondary); }

.fv-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.fv-dot-ok { color: var(--ok); }
.fv-dot-warn { color: var(--warn); }
.fv-dot-danger { color: var(--danger); }

/* ── Progress bar / ring ─────────────────────────────────────────── */
.fv-progress {
    width: 100%;
    height: 6px;
    background: rgba(var(--accent-rgb), 0.12);
    border-radius: var(--r-pill);
    overflow: hidden;
}
.fv-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-magenta));
    box-shadow: 0 0 8px var(--glow-soft);
    border-radius: inherit;
    transition: width var(--dur-slow) var(--ease-out);
}

/* ── Sheet / modal shells ────────────────────────────────────────── */
.fv-sheet {
    background: var(--bg-panel);
    border: 1px solid rgba(var(--accent-rgb), 0.2);
    border-radius: var(--r-xl);
    padding: 1rem;
    box-shadow: var(--elev-modal);
    color: var(--text-primary);
}
.fv-sheet-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.8rem;
}
.fv-sheet-title {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin: 0;
}
.fv-close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    width: var(--hit); height: var(--hit);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: var(--r-md);
    transition: color var(--dur-fast), background var(--dur-fast);
}
.fv-close-btn:hover { color: var(--text-primary); background: var(--w6); }

/* ── Divider ─────────────────────────────────────────────────────── */
.fv-divider { height: 1px; background: var(--w6); border: none; margin: 0.6rem 0; }

/* ── Menu row (used in slide-in menu panels) ─────────────────────── */
.fv-menu-row {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    padding: 0.7rem 1.1rem;
    cursor: pointer;
    min-height: var(--hit);
    text-align: left;
    transition: background var(--dur-fast);
}
.fv-menu-row:hover { background: var(--w3); }
.fv-menu-row svg { width: 18px; height: 18px; color: var(--text-secondary); flex-shrink: 0; }

/* ── Animations (keyframes) ──────────────────────────────────────── */
@keyframes fv-slide-in-right {
    from { transform: translateX(100%); opacity: 0; }
    to   { transform: translateX(0);    opacity: 1; }
}
@keyframes fv-slide-out-right {
    from { transform: translateX(0);    opacity: 1; }
    to   { transform: translateX(100%); opacity: 0; }
}
@keyframes fv-slide-up-sheet {
    from { transform: translateY(100%); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
}
@keyframes fv-fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes fv-pulse-glow {
    0%, 100% { box-shadow: 0 0 8px var(--glow-soft); }
    50%      { box-shadow: 0 0 18px var(--glow); }
}

.fv-anim-slide-in  { animation: fv-slide-in-right var(--dur-base) var(--ease-in-out); }
.fv-anim-slide-up  { animation: fv-slide-up-sheet var(--dur-base) var(--ease-out); }
.fv-anim-fade      { animation: fv-fade-in var(--dur-base) var(--ease-in-out); }
.fv-anim-pulse     { animation: fv-pulse-glow 2.2s infinite; }

/* ── Utility ─────────────────────────────────────────────────────── */
.fv-stack { display: flex; flex-direction: column; gap: 0.6rem; }
.fv-row   { display: flex; align-items: center; gap: 0.5rem; }
.fv-spacer { flex: 1; }
.fv-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.6rem; }
.fv-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.6rem; }
.fv-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.6rem; }
.fv-muted  { color: var(--text-secondary); }
.fv-accent { color: var(--accent-cyan); }
.fv-mono   { font-family: var(--font-display); letter-spacing: 0.5px; }
