@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
    --bg: #f6f7fb;
    --bg-accent: #e8f1ff;
    --surface: #ffffff;
    --surface-muted: #f1f5f9;
    --border: #e2e8f0;
    --text: #0f172a;
    --text-muted: #475569;
    --text-soft: #64748b;
    --brand: #1d4ed8;
    --brand-strong: #1e40af;
    --brand-contrast: #eff6ff;
    --accent: #0f766e;
    --accent-strong: #0ea5a4;
    --success: #16a34a;
    --danger: #dc2626;
    --warning: #f59e0b;
    --shadow-sm: 0 8px 20px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 16px 40px rgba(15, 23, 42, 0.12);
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-xl: 26px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --bg-primary: var(--surface);
    --bg-secondary: var(--surface-muted);
    --bg-tertiary: var(--bg);
    --text-primary: var(--text);
    --text-secondary: var(--text-muted);
    --text-tertiary: var(--text-soft);
    --border-color: var(--border);
    --border-color-light: rgba(226, 232, 240, 0.7);
    --color-primary: var(--brand);
    --color-primary-hover: var(--brand-strong);
    --color-accent: var(--accent-strong);
    --color-success: var(--success);
    --color-warning: var(--warning);
    --color-danger: var(--danger);
    --color-info: var(--accent);
    --shadow-xs: 0 4px 12px rgba(15, 23, 42, 0.08);
    --transition-fast: 0.15s ease;
    --transition-med: 0.25s ease;
    --transition-slow: 0.4s ease;
    --focus-ring: 0 0 0 3px rgba(29, 78, 216, 0.2);
    --focus-ring-strong: 0 0 0 4px rgba(29, 78, 216, 0.3);
    --font-display: 'Space Grotesk', 'Manrope', sans-serif;
    --font-body: 'Manrope', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-size-xs: 11px;
    --font-size-sm: 13px;
    --font-size-md: 15px;
    --font-size-lg: 18px;
    --font-size-xl: 22px;
    --font-size-2xl: 28px;
    --leading-tight: 1.2;
    --leading-normal: 1.5;
    --leading-relaxed: 1.65;
}

html[data-theme="dark"] {
    --bg: #0b1119;
    --bg-accent: #0f172a;
    --surface: #111827;
    --surface-muted: #0f172a;
    --border: #1f2937;
    --text: #e2e8f0;
    --text-muted: #cbd5e1;
    --text-soft: #94a3b8;
    --brand: #60a5fa;
    --brand-strong: #3b82f6;
    --brand-contrast: rgba(30, 64, 175, 0.2);
    --accent: #2dd4bf;
    --accent-strong: #14b8a6;
    --success: #22c55e;
    --danger: #f87171;
    --warning: #fbbf24;
    --shadow-sm: 0 8px 22px rgba(2, 6, 23, 0.4);
    --shadow-md: 0 18px 44px rgba(2, 6, 23, 0.55);
    --shadow-xs: 0 4px 12px rgba(2, 6, 23, 0.5);
    --border-color-light: rgba(148, 163, 184, 0.18);
}

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

body {
    font-family: var(--font-body);
    font-size: var(--font-size-md);
    line-height: var(--leading-normal);
    background: radial-gradient(1000px 500px at -10% -10%, rgba(59, 130, 246, 0.15) 0%, transparent 55%),
                radial-gradient(800px 400px at 100% 0%, rgba(14, 165, 164, 0.18) 0%, transparent 50%),
                var(--bg);
    padding-bottom: calc(96px + env(safe-area-inset-bottom));
    color: var(--text);
    min-height: 100vh;
}

html[data-theme="dark"] body {
    background: radial-gradient(900px 500px at -10% -10%, rgba(59, 130, 246, 0.18) 0%, transparent 55%),
                radial-gradient(900px 500px at 110% -20%, rgba(45, 212, 191, 0.15) 0%, transparent 55%),
                var(--bg);
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: linear-gradient(rgba(15, 23, 42, 0.03) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(15, 23, 42, 0.03) 1px, transparent 1px);
    background-size: 36px 36px;
    pointer-events: none;
    z-index: 0;
}

html[data-theme="dark"] body::before {
    background-image: linear-gradient(rgba(148, 163, 184, 0.08) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(148, 163, 184, 0.08) 1px, transparent 1px);
}

.header {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 55%, #0f766e 130%);
    color: white;
    padding: 18px 22px 16px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.header h1 {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    margin-bottom: 8px;
    letter-spacing: -0.4px;
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    letter-spacing: -0.3px;
    margin-bottom: 8px;
}

.section-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-soft);
    margin-bottom: 12px;
    line-height: var(--leading-relaxed);
}

.pill {
    padding: 6px 12px;
    border-radius: 999px;
    background: var(--surface-muted);
    border: 1px solid var(--border);
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.card {
    background: var(--surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-med);
}

.card:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.card.reveal {
    animation: fadeInSoft 0.4s ease;
}

.week-info {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    justify-content: center;
    row-gap: 6px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
}

.data-status {
    margin-top: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

.data-status-pill {
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.22);
}

.data-status-pill {
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.data-status-pill.success {
    background: rgba(22, 163, 74, 0.22);
    border-color: rgba(22, 163, 74, 0.35);
}

.data-status-pill.warning {
    background: rgba(245, 158, 11, 0.22);
    border-color: rgba(245, 158, 11, 0.4);
}

.data-status-pill.error {
    background: rgba(220, 38, 38, 0.22);
    border-color: rgba(220, 38, 38, 0.4);
}

.week-pill {
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.22);
    letter-spacing: 0.2px;
}

.nav-tabs {
    display: flex;
    gap: 6px;
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 78px;
    z-index: 99;
    backdrop-filter: blur(16px);
}

html[data-theme="dark"] .nav-tabs {
    background: rgba(15, 23, 42, 0.92);
}

.nav-tab {
    flex: 1;
    padding: 10px 12px;
    text-align: center;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--text-muted);
    cursor: pointer;
    transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-tab:hover {
    color: var(--text);
    background: var(--surface-muted);
}

.nav-tab.active {
    color: var(--brand-strong);
    background: var(--brand-contrast);
    border-color: rgba(29, 78, 216, 0.25);
    box-shadow: var(--shadow-sm);
}

.nav-tab:focus-visible {
    box-shadow: var(--focus-ring-strong);
}

.nav-tab:active {
    transform: scale(0.98);
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring-strong);
}

.tab-content {
    display: none;
    padding: 24px 18px 32px;
    max-width: 820px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    overflow-x: hidden;
}

.tab-content.active {
    display: block;
    animation: fadeInUp 0.35s ease;
}

.reveal {
    animation: fadeInUp 0.35s ease;
}

@keyframes fadeInSoft {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.week-summary-card {
    background: linear-gradient(135deg, rgba(29, 78, 216, 0.12), rgba(14, 165, 164, 0.12));
    border: 1px solid rgba(29, 78, 216, 0.18);
    padding: 16px 18px;
    border-radius: var(--radius-lg);
    margin-bottom: 18px;
    text-align: center;
}

.week-summary-label {
    font-size: var(--font-size-xs);
    color: var(--text-soft);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
}

.week-summary-value {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--text);
    margin-top: 6px;
}

.day-selector {
    display: flex;
    gap: 8px;
    background: var(--surface-muted);
    padding: 6px;
    border-radius: 999px;
    margin-bottom: 20px;
    border: 1px solid var(--border);
}

.day-btn {
    flex: 1;
    padding: 10px 12px;
    background: transparent;
    border: none;
    border-radius: 999px;
    font-size: var(--font-size-sm);
    font-weight: 700;
    cursor: pointer;
    color: var(--text-muted);
    transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.day-btn.active {
    background: white;
    color: var(--brand-strong);
    box-shadow: var(--shadow-sm);
}

.day-btn:focus-visible {
    box-shadow: var(--focus-ring-strong);
}

.day-btn:active {
    transform: scale(0.98);
}

.exercise-card {
    background: var(--surface);
    padding: 16px 16px 14px;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-med), border-color var(--transition-fast);
}

.exercise-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-left: 4px solid var(--brand);
    pointer-events: none;
}

.exercise-name {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
}

.exercise-details {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 12px;
    padding: 12px;
    background: var(--surface-muted);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
}

.detail-label {
    color: var(--text-soft);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-value {
    font-weight: 700;
    font-size: var(--font-size-md);
    color: var(--text);
}

.amrap-input {
    display: flex;
    align-items: center;
    gap: 10px;
}

.amrap-input label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-muted);
}

.amrap-input input {
    flex: 1;
    padding: 8px 10px;
    font-size: var(--font-size-lg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    max-width: 90px;
    background: white;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.amrap-input input:focus {
    outline: none;
    border-color: rgba(29, 78, 216, 0.6);
    box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.15);
}

.progression-hint {
    font-size: var(--font-size-xs);
    color: var(--text-soft);
    margin-top: 6px;
    font-style: italic;
}

.progression-positive { color: var(--success); }
.progression-negative { color: var(--danger); }

.settings-section {
    background: var(--surface);
    padding: 18px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.settings-section h2 {
    font-size: var(--font-size-lg);
    margin-bottom: 15px;
    color: var(--text);
}

.settings-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 18px;
    align-items: start;
    width: 100%;
    min-width: 0;
}

.settings-sidebar {
    position: sticky;
    top: 92px;
    align-self: start;
}

.settings-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: var(--surface);
    padding: 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    max-width: 100%;
}

.settings-nav-button {
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-muted);
    padding: 10px 12px;
    border-radius: 12px;
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.2px;
    text-transform: uppercase;
    text-align: left;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.settings-nav-button:hover {
    background: var(--surface-muted);
    color: var(--text);
}

.settings-nav-button:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring-strong);
}

.settings-nav-button:active {
    transform: scale(0.98);
}

.settings-nav-button.active {
    background: var(--brand-contrast);
    color: var(--brand-strong);
    border-color: rgba(29, 78, 216, 0.35);
    box-shadow: var(--shadow-xs);
    position: relative;
}

.settings-nav-button.active::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 8px;
    bottom: 8px;
    width: 3px;
    border-radius: 999px;
    background: var(--brand-strong);
}

.settings-panels {
    min-width: 0;
    max-width: 100%;
}

.settings-panel {
    display: none;
}

.settings-panel.active {
    display: block;
    animation: settingsPanelIn 180ms ease;
}

.settings-section {
    max-width: 100%;
}

@keyframes settingsPanelIn {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 900px) {
    .settings-layout {
        grid-template-columns: 1fr;
    }

    .settings-sidebar {
        position: static;
    }

    .settings-nav {
        flex-direction: column;
        overflow: visible;
        padding: 8px;
    }

    .settings-nav-button {
        width: 100%;
        text-align: left;
    }

    .settings-nav-button.active::after {
        left: 6px;
        right: auto;
        top: 8px;
        bottom: 8px;
        width: 3px;
        height: auto;
    }
}

.form-group { margin-bottom: 15px; }

.form-group label {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--text-soft);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    font-size: var(--font-size-md);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: white;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(29, 78, 216, 0.6);
    box-shadow: var(--focus-ring);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-group.form-group-spaced {
    margin-top: 20px;
}

.helper-text {
    font-size: var(--font-size-sm);
    color: var(--text-soft);
    margin-bottom: 15px;
    line-height: var(--leading-relaxed);
}

.form-help {
    display: block;
    margin-top: 6px;
    font-size: var(--font-size-xs);
    color: var(--text-soft);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text);
    text-transform: none;
    letter-spacing: 0;
    margin-bottom: 0;
}

.file-input {
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--surface-muted);
}

.btn {
    width: 100%;
    padding: 12px 14px;
    border: none;
    border-radius: 12px;
    font-size: var(--font-size-md);
    font-weight: 700;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn:active {
    transform: translateY(1px);
}

.btn:focus-visible {
    box-shadow: var(--focus-ring-strong);
}

.btn-primary {
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-strong) 100%);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background: var(--surface-muted);
    color: var(--text);
    margin-top: 10px;
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: rgba(29, 78, 216, 0.35);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%);
    color: white;
    margin-top: 10px;
}

.btn-danger:hover {
    box-shadow: 0 10px 20px rgba(185, 28, 28, 0.2);
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-icon svg {
    width: 16px;
    height: 16px;
}

.button-stack {
    display: grid;
    gap: 10px;
}

.history-week {
    background: var(--surface);
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.history-week h3 {
    font-size: var(--font-size-lg);
    margin-bottom: 10px;
    color: var(--text);
}

.history-exercise {
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.history-exercise:last-child { border-bottom: none; }

.completed-badge {
    display: inline-block;
    padding: 2px 8px;
    background: var(--success);
    color: white;
    border-radius: 999px;
    font-size: var(--font-size-xs);
    margin-left: 6px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.stat-card {
    background: var(--surface);
    padding: 16px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.stat-value {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--text);
    margin-bottom: 6px;
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-soft);
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

.stat-card.highlight {
    background: linear-gradient(135deg, rgba(29, 78, 216, 0.16) 0%, rgba(14, 165, 164, 0.2) 100%);
    color: var(--text);
    border-color: rgba(29, 78, 216, 0.2);
}

.stat-card.with-ring .stat-label {
    margin-top: var(--spacing-sm);
}

.chart-container {
    background: var(--surface);
    padding: 18px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.chart-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}

.chart-canvas { width: 100%; height: 200px; position: relative; }

.bar-chart {
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    height: 100%;
    gap: 6px;
}

.bar {
    flex: 1;
    background: linear-gradient(to top, rgba(29, 78, 216, 0.85), rgba(14, 165, 164, 0.85));
    border-radius: 6px 6px 0 0;
    position: relative;
    min-height: 3px;
    transition: transform var(--transition-fast);
}

.bar:hover { transform: translateY(-4px); }

.bar-label {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: var(--font-size-xs);
    color: var(--text-soft);
    white-space: nowrap;
}

.bar-value {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--text);
}

.line-chart { position: relative; height: 100%; }

.line-path { stroke: var(--brand); stroke-width: 2; fill: none; }

.line-dot { fill: var(--brand); }

.progress-section {
    background: var(--surface);
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.progress-section h3 { font-size: var(--font-size-lg); color: var(--text); margin-bottom: 10px; }

.lift-progress { padding: 10px 0; border-bottom: 1px solid var(--border); }

.lift-progress:last-child { border-bottom: none; }

.lift-name { font-weight: 700; color: var(--text); margin-bottom: 6px; }

.lift-stats { display: flex; justify-content: space-between; font-size: var(--font-size-sm); color: var(--text-muted); }

.lift-change { font-weight: 700; }

.lift-change.positive { color: var(--success); }

.lift-change.negative { color: var(--danger); }

.setup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.65);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    backdrop-filter: blur(6px);
}

.setup-overlay.active { display: flex; }

.setup-modal {
    background: var(--surface);
    border-radius: var(--radius-lg);
    max-width: 520px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 28px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
}

.setup-actions {
    position: sticky;
    bottom: 0;
    margin: 0 -28px -28px;
    padding: 16px 28px 24px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.92) 40%, #fff 100%);
    border-top: 1px solid rgba(226, 232, 240, 0.6);
}

html[data-theme="dark"] .setup-actions {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0) 0%, rgba(15, 23, 42, 0.92) 40%, rgba(15, 23, 42, 0.98) 100%);
    border-top: 1px solid rgba(148, 163, 184, 0.2);
}

.setup-modal h2 {
    font-size: var(--font-size-xl);
    margin-bottom: 8px;
    color: var(--text);
    font-family: var(--font-display);
}

.setup-modal p {
    color: var(--text-muted);
    margin-bottom: 22px;
    font-size: var(--font-size-md);
}

.setup-section { margin-bottom: 22px; }

.setup-section h3 { font-size: var(--font-size-lg); color: var(--text); margin-bottom: 12px; }

@media (min-width: 860px) {
    .tab-content { padding: 32px 0 40px; }
    .day-selector { max-width: 420px; }
    .stats-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .bottom-nav { display: none; }
}

@media (max-width: 860px) {
    .nav-tabs { display: none; }

    .button-stack {
        position: sticky;
        bottom: calc(84px + env(safe-area-inset-bottom));
        z-index: 10;
        padding: 12px;
        border-radius: 16px;
        background: rgba(255, 255, 255, 0.92);
        border: 1px solid rgba(226, 232, 240, 0.8);
        backdrop-filter: blur(10px);
        box-shadow: var(--shadow-md);
    }

    html[data-theme="dark"] .button-stack {
        background: rgba(15, 23, 42, 0.92);
        border-color: rgba(51, 65, 85, 0.8);
    }
}

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
}

.week-nav-btn {
    background: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.28);
    color: #fff;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    cursor: pointer;
    font-size: var(--font-size-md);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.week-nav-btn:hover {
    background: rgba(255, 255, 255, 0.26);
}

.week-nav-btn:active {
    transform: scale(0.96);
}

.week-nav-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.day-btn.completed {
    background: rgba(22, 163, 74, 0.18);
    color: #166534;
    box-shadow: var(--shadow-sm);
}

.day-btn.completed.active {
    background: #16a34a;
    color: #fff;
}

.day-btn.completed::after {
    content: '✓';
    margin-left: 6px;
    font-size: var(--font-size-xs);
    font-weight: 800;
    opacity: 0.85;
}

.stepper-control {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--surface-muted);
    border-radius: var(--radius-md);
    padding: 4px;
    border: 1px solid var(--border);
}

.stepper-btn {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border: none;
    background: var(--surface);
    color: var(--text);
    font-size: var(--font-size-lg);
    font-weight: 700;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.stepper-btn:hover {
    background: var(--brand);
    color: #fff;
}

.stepper-btn:active {
    transform: scale(0.95);
}

.stepper-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.stepper-value {
    min-width: 48px;
    text-align: center;
    font-size: var(--font-size-xl) !important;
    font-weight: 700;
    color: var(--text);
    padding: 0 8px;
    border: none;
    background: transparent;
    outline: none;
    cursor: text;
}

.stepper-value.empty {
    color: var(--text-soft);
    font-weight: 500;
}

.stepper-value::placeholder {
    color: var(--text-soft);
    font-weight: 500;
}

.stepper-value::-webkit-outer-spin-button,
.stepper-value::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.stepper-value[type=number] {
    -moz-appearance: textfield;
}

.set-circles {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 12px;
    margin-bottom: 18px;
}

.set-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text-muted);
    font-size: var(--font-size-md);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 2px;
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    flex-shrink: 0;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    box-shadow: var(--shadow-sm);
}

html[data-theme="dark"] .set-circle {
    background: var(--surface);
    border-color: var(--border);
    color: var(--text);
    box-shadow: var(--shadow-xs);
}

.set-circle:hover {
    border-color: rgba(29, 78, 216, 0.35);
    color: var(--text);
    transform: translateY(-1px);
}

html[data-theme="dark"] .set-circle:hover {
    border-color: rgba(96, 165, 250, 0.55);
}

.set-circle:active {
    transform: scale(0.92);
}

.set-circle.completed {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
}

.set-circle.amrap-circle {
    position: relative;
    border: 2px dotted rgba(29, 78, 216, 0.5);
    background: #fff;
    color: var(--text-soft);
    cursor: default;
}

html[data-theme="dark"] .set-circle.amrap-circle {
    background: var(--surface-muted);
    border-color: rgba(96, 165, 250, 0.6);
    color: var(--text-muted);
}

.set-circle.amrap-circle:hover {
    transform: none;
    border-color: rgba(29, 78, 216, 0.6);
    color: var(--text);
}

.set-circle.amrap-circle.has-value {
    background: var(--brand);
    border-style: solid;
    border-color: var(--brand);
    color: #fff;
}

.set-circle.amrap-circle::after {
    content: attr(data-label);
    position: absolute;
    bottom: -16px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 9px;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    color: var(--text-soft);
    background: #fff;
    padding: 2px 8px;
    border-radius: 999px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-xs);
    white-space: nowrap;
}

html[data-theme="dark"] .set-circle.amrap-circle::after {
    color: var(--text-muted);
    background: var(--surface);
    border-color: var(--border);
}

.set-circle.amrap-circle.has-value::after {
    color: #fff;
    background: rgba(15, 23, 42, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

html[data-theme="dark"] .set-circle.amrap-circle.has-value::after {
    background: rgba(15, 23, 42, 0.7);
    border-color: rgba(255, 255, 255, 0.25);
}

.amrap-value {
    font-size: var(--font-size-lg);
    font-weight: 800;
    line-height: 1;
}

.amrap-helper {
    margin-top: 6px;
    font-size: var(--font-size-xs);
    color: var(--text-soft);
}

.set-actions {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 6px;
}

.set-action-btn {
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: #fff;
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--text-muted);
    cursor: pointer;
    transition: transform var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

html[data-theme="dark"] .set-action-btn {
    background: var(--surface);
    color: var(--text);
    border-color: var(--border);
}

.set-action-btn:hover {
    color: var(--text);
    border-color: rgba(29, 78, 216, 0.4);
}

.set-action-btn:active {
    transform: scale(0.98);
}

html[data-theme="dark"] .set-action-btn:hover {
    border-color: rgba(96, 165, 250, 0.5);
}

.completed-badge.muted {
    background: rgba(15, 23, 42, 0.08);
    color: var(--text-muted);
}

.rest-timer {
    position: fixed;
    bottom: 90px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--brand-strong), var(--accent-strong));
    color: #fff;
    padding: 20px;
    border-radius: 14px;
    box-shadow: var(--shadow-md);
    z-index: 1000;
    min-width: 280px;
    text-align: center;
}

.timer-display {
    font-size: 46px;
    font-weight: 800;
    margin-bottom: 12px;
    font-family: 'Space Grotesk', 'Manrope', sans-serif;
    letter-spacing: 1px;
}

.timer-controls {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.timer-btn {
    padding: 10px 18px;
    border: none;
    border-radius: 10px;
    font-size: var(--font-size-sm);
    font-weight: 700;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.9);
    color: var(--brand-strong);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.timer-btn:hover {
    opacity: 0.9;
}

.timer-btn:active {
    transform: scale(0.98);
}

.timer-btn.secondary {
    background: rgba(255, 255, 255, 0.28);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.timer-btn.secondary:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.35);
}

.note {
    padding: 8px 10px;
    border-radius: 10px;
    font-size: var(--font-size-sm);
    background: var(--surface-muted);
    color: var(--text-soft);
    border: 1px solid var(--border);
}

.note-warning {
    background: rgba(245, 158, 11, 0.12);
    color: #92400e;
    border-color: rgba(245, 158, 11, 0.25);
}

.note-compact {
    margin-top: -8px;
}

.note-muted {
    background: var(--surface-muted);
    color: var(--text-soft);
}

.history-day {
    margin-top: 10px;
}

.empty-state {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.empty-state-icon {
    margin-bottom: var(--spacing-md);
    opacity: 0.3;
    font-size: 56px;
}

.empty-state-title {
    color: var(--text);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.empty-state-note {
    color: var(--text-soft);
    font-size: var(--font-size-sm);
}

.onboarding-hint {
    margin: 18px 0 12px;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(29, 78, 216, 0.12), rgba(14, 165, 164, 0.12));
    border: 1px solid rgba(59, 130, 246, 0.25);
    color: var(--text);
    font-size: var(--font-size-sm);
    line-height: var(--leading-relaxed);
    box-shadow: var(--shadow-xs);
}

.onboarding-hint strong {
    display: block;
    font-size: var(--font-size-md);
    margin-bottom: 4px;
}

.onboarding-hint.hidden {
    display: none;
}

.info-block {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    line-height: var(--leading-relaxed);
}

.info-subtext {
    margin-top: 8px;
    font-size: var(--font-size-xs);
    color: var(--text-soft);
}

.form-message {
    margin-top: 15px;
    display: none;
    font-size: var(--font-size-sm);
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid transparent;
}

.form-message.success {
    color: #047857;
    background: rgba(16, 185, 129, 0.12);
    border-color: rgba(16, 185, 129, 0.25);
}

.form-message.error {
    color: #b91c1c;
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.25);
}

.pr-list {
    display: grid;
    gap: 10px;
}

.pr-card {
    background: linear-gradient(135deg, rgba(29, 78, 216, 0.95) 0%, rgba(14, 165, 164, 0.95) 100%);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.pr-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.pr-card-title {
    font-weight: 700;
    font-size: var(--font-size-md);
    margin-bottom: 4px;
}

.pr-card-meta {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.pr-card-meta span {
    margin-left: 10px;
    font-weight: 600;
}

.pr-card-date {
    text-align: right;
    font-size: var(--font-size-xs);
    opacity: 0.8;
}

.timer-btn.secondary {
    background: rgba(255, 255, 255, 0.3);
    color: #fff;
}

.plate-calculator {
    margin-top: 12px;
    padding: 14px;
    background: linear-gradient(135deg, rgba(29, 78, 216, 0.08), rgba(14, 165, 164, 0.12));
    border-radius: var(--radius-md);
    border: 1px solid rgba(29, 78, 216, 0.2);
    box-shadow: var(--shadow-sm);
    display: grid;
    gap: 10px;
}

html[data-theme="dark"] .plate-calculator {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.18), rgba(20, 184, 166, 0.18));
    border-color: rgba(96, 165, 250, 0.35);
}

.plate-calculator-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.plate-total {
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--brand-strong);
    background: var(--brand-contrast);
    padding: 4px 8px;
    border-radius: 999px;
    border: 1px solid rgba(29, 78, 216, 0.25);
}

html[data-theme="dark"] .plate-total {
    color: var(--text);
    background: rgba(96, 165, 250, 0.2);
    border-color: rgba(96, 165, 250, 0.4);
}

.plate-summary {
    font-size: var(--font-size-sm);
}

.plate-summary-label,
.plate-info-label {
    font-weight: 700;
    color: var(--text-soft);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

html[data-theme="dark"] .plate-summary-label,
html[data-theme="dark"] .plate-info-label {
    color: var(--text-muted);
}

.plate-summary-value,
.plate-info-value {
    color: var(--text);
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.plate-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.plate-chip {
    padding: 6px 10px;
    border-radius: 999px;
    background: #fff;
    border: 1px solid var(--border);
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--text);
    box-shadow: var(--shadow-sm);
}

html[data-theme="dark"] .plate-chip {
    background: var(--surface);
    border-color: var(--border);
    color: var(--text);
}

.plate-empty {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.plate-info {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 8px;
    background: rgba(255, 255, 255, 0.75);
    border-radius: 10px;
    padding: 8px;
}

html[data-theme="dark"] .plate-info {
    background: rgba(15, 23, 42, 0.85);
    border: 1px solid var(--border);
}

.empty-state-description {
    color: var(--text-muted);
    max-width: 320px;
    margin: 0 auto 18px;
    font-size: var(--font-size-md);
    line-height: var(--leading-relaxed);
}

.empty-state-action {
    display: inline-block;
    padding: 10px 18px;
    background: var(--brand);
    color: #fff;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.empty-state-action:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.progress-ring-container {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 14px;
}

.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring-circle {
    transition: stroke-dashoffset 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-ring-bg {
    fill: none;
    stroke: var(--border);
    stroke-width: 8;
}

.progress-ring-fill {
    fill: none;
    stroke-width: 8;
    stroke-linecap: round;
}

.progress-ring-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.progress-ring-value {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--text);
}

.progress-ring-label {
    font-size: var(--font-size-xs);
    color: var(--text-soft);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
}

.stat-card.with-ring {
    padding: 20px 14px;
}

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-around;
    padding: 6px 0;
    padding-bottom: max(6px, env(safe-area-inset-bottom));
    z-index: 100;
    box-shadow: 0 -8px 20px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(14px);
}

html[data-theme="dark"] .bottom-nav {
    background: rgba(15, 23, 42, 0.92);
    box-shadow: 0 -8px 20px rgba(2, 6, 23, 0.6);
}

.bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 6px 4px;
    color: var(--text-soft);
    cursor: pointer;
    transition: color var(--transition-fast), transform var(--transition-fast), background var(--transition-fast);
    text-decoration: none;
    border: none;
    background: transparent;
    position: relative;
}

.bottom-nav-item:active {
    transform: scale(0.98);
}

.bottom-nav-item.active {
    color: var(--brand-strong);
}

.bottom-nav-item.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    width: 18px;
    height: 3px;
    border-radius: 999px;
    background: var(--brand);
}

.bottom-nav-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2px;
}

.bottom-nav-icon svg {
    display: block;
}

.bottom-nav-label {
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.3px;
    margin-top: 2px;
}

.toast-container {
    position: fixed;
    bottom: max(90px, calc(90px + env(safe-area-inset-bottom)));
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    pointer-events: none;
    width: 90%;
    max-width: 420px;
}

.toast {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    background: #fff;
    color: var(--text);
    border-radius: 14px;
    padding: 12px 14px;
    margin-top: 10px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    pointer-events: auto;
    transform: translateY(0);
    opacity: 1;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

html[data-theme="dark"] .toast {
    background: var(--surface);
    color: var(--text);
    border-color: var(--border);
}

.toast-message {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text);
}

.toast-close {
    background: transparent;
    border: none;
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-soft);
    cursor: pointer;
    padding: 0 4px;
}

.toast-close:hover {
    color: var(--text);
}

.toast-action {
    background: var(--brand-contrast);
    color: var(--brand-strong);
    border: 1px solid rgba(29, 78, 216, 0.25);
    border-radius: 10px;
    padding: 6px 10px;
    font-size: var(--font-size-xs);
    font-weight: 700;
    cursor: pointer;
}

.toast-action:hover {
    background: rgba(29, 78, 216, 0.12);
}

.toast-info {
    border-left: 4px solid var(--brand);
}

.toast-success {
    border-left: 4px solid var(--success);
}

.toast-warning {
    border-left: 4px solid var(--warning);
}

.toast-error {
    border-left: 4px solid var(--danger);
}

.pr-badge {
    display: inline-block;
    padding: 3px 8px;
    background: var(--accent-strong);
    color: #fff;
    border-radius: 999px;
    font-size: var(--font-size-xs);
    font-weight: 700;
    margin-left: 8px;
}

.pr-beat-hint {
    font-size: var(--font-size-sm);
    font-weight: 700;
    margin-top: 6px;
    padding: 6px 10px;
    border-radius: 10px;
    background: var(--surface-muted);
    border-left: 3px solid var(--warning);
    color: var(--text-muted);
}

.pr-beat-hint.beating {
    border-left-color: var(--success);
    color: var(--success);
    animation: pulse 2s ease-in-out infinite;
}