/* ============================================================
   FITKO — stylesheet
   Design: světlý minimalistický, editorial, konzistentní se Špekouny
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Playfair+Display:wght@400;700;900&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
    --bg: #fdfcfa;
    --bg-card: #ffffff;
    --bg-hover: #f5f2ea;
    --border: #e8e3d6;
    --border-strong: #d4cebd;
    --text: #1a1a1a;
    --text-muted: #666;
    --text-dim: #999;
    --accent: #8b6914;
    --accent-light: #b08d57;
    --accent-bg: #f5eacd;
    --success: #2c7a47;
    --success-bg: #e2f0e6;
    --danger: #c0392b;
    --danger-bg: #fbe6e2;
    --pr-gold: #d4a743;

    --shadow-sm: 0 1px 2px rgba(26, 26, 26, 0.04);
    --shadow-md: 0 2px 8px rgba(26, 26, 26, 0.06);
    --shadow-lg: 0 8px 24px rgba(26, 26, 26, 0.10);

    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 14px;

    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, monospace;
    --font-serif: 'Playfair Display', Georgia, serif;
}

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

html, body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;
    font-size: 16px;
    min-height: 100vh;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: none; }

/* ============ HEADER ============ */

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.app-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 3px;
    color: var(--text);
}

.brand-dot {
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
    display: inline-block;
}

.app-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-name {
    font-weight: 600;
    font-size: 14px;
}

.user-weight {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-muted);
    padding: 3px 8px;
    background: var(--bg-hover);
    border-radius: var(--radius-sm);
}

.btn-icon {
    background: none;
    border: none;
    padding: 6px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: background 0.15s, color 0.15s;
}

.btn-icon:hover {
    background: var(--bg-hover);
    color: var(--text);
}

/* ============ MAIN ============ */

.app-main {
    max-width: 900px;
    margin: 0 auto;
    padding: 24px 20px 80px;
}

@media (max-width: 640px) {
    .app-main { padding: 16px 14px 100px; }
}

.loading {
    text-align: center;
    color: var(--text-muted);
    padding: 60px 0;
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 2px;
}

/* ============ TYPO ============ */

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.15;
    color: var(--text);
}

.page-title {
    font-family: var(--font-serif);
    font-weight: 900;
    font-size: 42px;
    letter-spacing: -1px;
    margin-bottom: 6px;
}

.page-title .accent { color: var(--accent); font-style: italic; }

.page-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

.section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin: 32px 0 14px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--text-muted);
    text-transform: uppercase;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.section-header .count {
    color: var(--accent);
    font-weight: 600;
}

/* ============ BUTTONS ============ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.15s;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

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

.btn:active { transform: translateY(0); }

.btn-primary {
    background: var(--text);
    color: var(--bg-card);
    border-color: var(--text);
}

.btn-primary:hover {
    background: #000;
    color: var(--bg-card);
}

.btn-accent {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.btn-accent:hover {
    background: var(--accent-light);
    color: white;
}

.btn-ghost {
    background: transparent;
    border-color: transparent;
    box-shadow: none;
}

.btn-ghost:hover {
    background: var(--bg-hover);
    box-shadow: none;
}

.btn-danger {
    color: var(--danger);
    border-color: var(--border);
}

.btn-danger:hover {
    background: var(--danger-bg);
    border-color: var(--danger);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-lg {
    padding: 14px 24px;
    font-size: 15px;
}

.btn-block { width: 100%; }

/* ============ CARDS ============ */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: all 0.15s;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-title {
    font-weight: 700;
    font-size: 17px;
    margin-bottom: 4px;
}

.card-subtitle {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

/* ============ HOME ============ */

.template-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.template-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 18px;
    cursor: pointer;
    transition: all 0.15s;
    box-shadow: var(--shadow-sm);
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-family: inherit;
    color: inherit;
    position: relative;
    overflow: hidden;
}

.template-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 3px;
    height: 100%;
    background: var(--accent);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.2s;
}

.template-card:hover {
    background: var(--bg-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.template-card:hover::before {
    transform: scaleY(1);
}

.template-name {
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 2px;
}

.template-desc {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
}

.template-meta {
    display: flex;
    gap: 12px;
    margin-top: 8px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-dim);
    letter-spacing: 1px;
}

/* ============ WEEK COVERAGE (lišta 2) ============ */

.week-coverage {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 8px;
}

.muscle-tag {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 12px;
    background: var(--bg-card);
    transition: all 0.15s;
    position: relative;
}

.muscle-tag-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #c0392b; /* default: 0× červená */
    flex-shrink: 0;
    box-shadow: 0 0 0 2px rgba(0,0,0,0.03);
}

.muscle-tag-count {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-dim);
    padding: 1px 5px;
    background: var(--bg-hover);
    border-radius: 3px;
    letter-spacing: 0.5px;
}

/* Semafor podle počtu tréninků za týden */
.muscle-tag.lvl-0 .muscle-tag-dot {
    background: #c0392b; /* červená - 0× */
}

.muscle-tag.lvl-1 .muscle-tag-dot {
    background: #e67e22; /* oranžová - 1× */
}

.muscle-tag.lvl-1 {
    border-color: rgba(230, 126, 34, 0.35);
}

.muscle-tag.lvl-2 .muscle-tag-dot {
    background: #f1c40f; /* žlutá - 2× */
}

.muscle-tag.lvl-2 {
    border-color: rgba(241, 196, 15, 0.5);
    background: rgba(241, 196, 15, 0.05);
}

.muscle-tag.lvl-3 .muscle-tag-dot {
    background: #2c7a47; /* zelená - 3+× */
}

.muscle-tag.lvl-3 {
    background: var(--success-bg);
    border-color: var(--success);
    color: var(--success);
    font-weight: 500;
}

/* ============ RECENT SESSIONS ============ */

.session-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.session-row {
    display: grid;
    grid-template-columns: 100px 1fr auto auto 32px;
    gap: 12px;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
    text-align: left;
    font: inherit;
    color: inherit;
    width: 100%;
}

.session-row:hover {
    background: var(--bg-hover);
    box-shadow: var(--shadow-sm);
}

/* Nedokončený trénink */
.session-row.active-session {
    border-left: 3px solid var(--danger);
    background: linear-gradient(to right, var(--danger-bg) 0%, var(--bg-card) 20%);
}

.active-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--danger);
    border-radius: 50%;
    margin-right: 6px;
    vertical-align: middle;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Delete tlačítko v řádku */
.session-delete-btn {
    background: transparent;
    border: 1px solid transparent;
    padding: 6px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-dim);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.session-delete-btn:hover {
    background: var(--danger-bg);
    color: var(--danger);
    border-color: var(--danger);
}

.session-date {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
}

.session-name {
    font-weight: 500;
}

.session-meta {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-dim);
    letter-spacing: 1px;
    white-space: nowrap;
}

.session-sauna {
    font-size: 11px;
    color: var(--accent);
}

@media (max-width: 640px) {
    .session-row {
        grid-template-columns: 70px 1fr auto 32px;
        font-size: 12px;
        gap: 8px;
        padding: 10px 12px;
    }
    .session-sauna { display: none; }
    .session-meta { font-size: 10px; }
}

/* ============ WORKOUT SESSION ============ */

.workout-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    gap: 12px;
}

.workout-title {
    font-family: var(--font-serif);
    font-weight: 900;
    font-size: 28px;
    letter-spacing: -0.5px;
}

.workout-progress-bar {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 20px;
}

.workout-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    transition: width 0.3s;
}

.workout-progress-label {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 4px;
    letter-spacing: 1px;
}

/* Exercise card in workout */

.exercise-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px;
    margin-bottom: 12px;
    transition: border-color 0.15s;
}

.exercise-card.completed {
    border-color: var(--success);
    background: linear-gradient(to right, var(--success-bg) 0%, var(--bg-card) 40%);
}

.exercise-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 4px;
    gap: 10px;
}

.exercise-name {
    font-weight: 700;
    font-size: 16px;
}

.exercise-muscle {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 2px;
    color: var(--text-dim);
    text-transform: uppercase;
}

.exercise-suggestion {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--accent);
    margin-bottom: 12px;
    padding: 6px 10px;
    background: var(--accent-bg);
    border-radius: var(--radius-sm);
    display: inline-block;
}

.sets-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 8px;
}

.set-row {
    display: grid;
    grid-template-columns: 32px 1fr 1fr 44px;
    gap: 8px;
    align-items: center;
    padding: 6px 4px;
}

.set-number {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-dim);
    text-align: center;
    font-weight: 600;
}

.set-input {
    background: var(--bg-hover);
    border: 1px solid transparent;
    padding: 10px 12px;
    border-radius: var(--radius);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 15px;
    text-align: center;
    cursor: pointer;
    transition: all 0.15s;
}

.set-input:hover {
    border-color: var(--border-strong);
    background: white;
}

.set-input.filled {
    background: white;
    border-color: var(--border-strong);
}

.set-input-unit {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-dim);
    display: block;
    margin-top: 1px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.set-check {
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.set-check.done {
    background: var(--success);
    border-color: var(--success);
    color: white;
}

.set-check svg { width: 18px; height: 18px; }

.set-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 4px;
}

.add-set-btn {
    background: transparent;
    border: 1px dashed var(--border-strong);
    padding: 8px;
    width: 100%;
    border-radius: var(--radius);
    color: var(--text-muted);
    cursor: pointer;
    font-size: 12px;
    transition: all 0.15s;
}

.add-set-btn:hover {
    background: var(--bg-hover);
    color: var(--text);
    border-color: var(--accent);
}

.pr-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 6px;
    background: var(--pr-gold);
    color: white;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-left: 6px;
}

/* Workout footer with complete button */

.workout-footer {
    position: sticky;
    bottom: 0;
    background: linear-gradient(to top, var(--bg) 60%, transparent);
    padding: 20px 0 12px;
    margin: 24px -20px 0;
    padding-left: 20px;
    padding-right: 20px;
    display: flex;
    gap: 8px;
}

.workout-footer .btn { flex: 1; }

/* ============ MODALS ============ */

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(26, 26, 26, 0.5);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 1000;
    animation: fade-in 0.15s;
    padding: 16px;
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@media (min-width: 640px) {
    .modal-backdrop {
        align-items: center;
    }
}

.modal {
    background: var(--bg-card);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    padding: 20px;
    width: 100%;
    max-width: 500px;
    box-shadow: var(--shadow-lg);
    animation: slide-up 0.2s;
    max-height: 90vh;
    overflow-y: auto;
}

@media (min-width: 640px) {
    .modal { border-radius: var(--radius-lg); }
}

@keyframes slide-up {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-title {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 22px;
    margin-bottom: 8px;
    text-align: center;
}

.modal-value {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 40px;
    text-align: center;
    padding: 16px;
    background: var(--bg-hover);
    border-radius: var(--radius);
    margin: 12px 0;
}

.modal-value.gold { color: var(--accent); }

.number-picker {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin: 12px 0;
}

.number-picker button {
    padding: 14px 8px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.15s;
}

.number-picker button:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
}

.number-picker button:active {
    transform: scale(0.96);
}

.modal-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.modal-actions .btn { flex: 1; }

/* ============ TOAST ============ */

#toast-root {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    background: var(--text);
    color: var(--bg);
    padding: 12px 20px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    animation: toast-in 0.2s, toast-out 0.3s 2.5s forwards;
    max-width: 320px;
    text-align: center;
}

.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.pr {
    background: var(--pr-gold);
    color: white;
    font-weight: 700;
    letter-spacing: 1px;
}

@keyframes toast-in {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes toast-out {
    to { transform: translateY(20px); opacity: 0; }
}

/* ============ STATS PAGE ============ */

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}

@media (max-width: 640px) {
    .stats-grid { grid-template-columns: 1fr; }
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 18px;
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 2px;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.stat-value {
    font-family: var(--font-serif);
    font-weight: 900;
    font-size: 32px;
    line-height: 1;
    color: var(--text);
}

.stat-value.gold { color: var(--accent); }
.stat-value.success { color: var(--success); }

.stat-sub {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Muscle heat map */

.heatmap-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 20px;
}

@media (max-width: 640px) {
    .heatmap-wrap { grid-template-columns: 1fr; }
}

.heatmap-svg {
    width: 100%;
    max-width: 260px;
    margin: 0 auto;
    display: block;
}

.heatmap-legend {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.heatmap-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.heatmap-row .label { font-weight: 500; }
.heatmap-row .value {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.heatmap-row .intensity-bar {
    width: 60px;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
    display: inline-block;
    margin-right: 8px;
}

.heatmap-row .intensity-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
}

/* PR list */

.pr-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.pr-row {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 12px;
    align-items: center;
    padding: 10px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
}

.pr-row:hover {
    background: var(--bg-hover);
}

.pr-name { font-weight: 500; }

.pr-value {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 14px;
    color: var(--accent);
}

.pr-date {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-dim);
}

/* Exercise chart */

.chart-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 20px;
}

.chart-svg {
    width: 100%;
    height: auto;
    max-height: 300px;
}

/* ============ SAUNA STATS ============ */

.sauna-stat {
    background: var(--accent-bg);
    border: 1px solid var(--accent);
    border-radius: var(--radius-lg);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.sauna-stat-icon {
    width: 40px;
    height: 40px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sauna-stat-value {
    font-family: var(--font-serif);
    font-weight: 900;
    font-size: 24px;
    color: var(--accent);
}

.sauna-stat-label {
    font-size: 12px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* ============ LOGIN PAGE ============ */

.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg);
    padding: 20px;
}

.login-wrap {
    max-width: 380px;
    width: 100%;
}

.login-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 4px;
    color: var(--text);
    margin-bottom: 40px;
    justify-content: center;
}

.login-title {
    font-family: var(--font-serif);
    font-weight: 900;
    font-size: 48px;
    text-align: center;
    letter-spacing: -1px;
    margin-bottom: 30px;
}

.login-title .accent { color: var(--accent); font-style: italic; }

.login-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.login-form label {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.login-form label span {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 2px;
    color: var(--text-muted);
    text-transform: uppercase;
}

.login-form input {
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 15px;
    transition: border-color 0.15s;
}

.login-form input:focus {
    outline: none;
    border-color: var(--accent);
}

.login-error {
    padding: 10px 14px;
    background: var(--danger-bg);
    border: 1px solid var(--danger);
    color: var(--danger);
    border-radius: var(--radius);
    font-size: 13px;
    text-align: center;
}

.login-foot {
    margin-top: 30px;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 3px;
    color: var(--text-dim);
    text-transform: uppercase;
}

/* ============ EXERCISE PICKER ============ */

.exercise-picker-search {
    padding: 12px 14px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    width: 100%;
    margin-bottom: 12px;
}

.exercise-picker-list {
    max-height: 400px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.exercise-picker-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: all 0.1s;
}

.exercise-picker-item:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
}

.exercise-picker-item .name { font-weight: 500; font-size: 14px; }
.exercise-picker-item .muscle {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 1px;
    color: var(--text-dim);
    text-transform: uppercase;
}

/* Filtr podle svalové skupiny - řada klikacích tagů */
.muscle-filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.muscle-filter-btn {
    padding: 5px 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s;
}

.muscle-filter-btn:hover {
    background: var(--bg-hover);
    color: var(--text);
    border-color: var(--border-strong);
}

.muscle-filter-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
    font-weight: 600;
}

/* Nadpis skupiny v seznamu cviků */
.exercise-picker-group {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    padding: 8px 4px 4px;
    margin-top: 4px;
    border-top: 1px solid var(--border);
    font-weight: 700;
}

.exercise-picker-group:first-child {
    margin-top: 0;
    border-top: none;
    padding-top: 4px;
}

/* ============ NAV TABS ============ */

.nav-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0;
}

.nav-tab {
    padding: 10px 16px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-muted);
    transition: all 0.15s;
    font-size: 14px;
    margin-bottom: -1px;
}

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

.nav-tab.active {
    color: var(--text);
    border-bottom-color: var(--accent);
    font-weight: 600;
}

/* ============ FORM ============ */

.form-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 12px;
}

.form-field label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 2px;
    color: var(--text-muted);
    text-transform: uppercase;
}

.form-field input,
.form-field select,
.form-field textarea {
    padding: 10px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
}

.form-field input:focus,
.form-field select:focus {
    outline: none;
    border-color: var(--accent);
}

/* ============ MISC ============ */

.empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
    font-size: 14px;
}

.empty-icon {
    font-size: 40px;
    margin-bottom: 12px;
    opacity: 0.3;
}

hr.divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 24px 0;
}

.row { display: flex; gap: 8px; align-items: center; }
.row-between { display: flex; gap: 8px; align-items: center; justify-content: space-between; }
.flex-1 { flex: 1; }

.text-mono { font-family: var(--font-mono); }
.text-muted { color: var(--text-muted); }
.text-dim { color: var(--text-dim); }
.text-sm { font-size: 12px; }
.text-xs { font-size: 11px; }

.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }

/* ============================================================
   FÁZE A — nové styly
   ============================================================ */

/* Recovery indicator na template card */
.template-card.recovery-lvl-0 {
    border-color: var(--danger);
}
.template-card.recovery-lvl-0::before {
    background: var(--danger);
    transform: scaleY(1);
}
.template-card.recovery-lvl-1 {
    border-color: #d4a743;
}
.template-card.recovery-lvl-1::before {
    background: #d4a743;
    transform: scaleY(1);
}
.template-card.recovery-lvl-2::before {
    background: var(--success);
}

.template-recovery {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 1px;
    padding: 4px 6px;
    border-radius: var(--radius-sm);
    margin-top: 6px;
    display: inline-block;
    background: var(--bg-hover);
    color: var(--text-muted);
}

.template-card.recovery-lvl-0 .template-recovery {
    background: var(--danger-bg);
    color: var(--danger);
    font-weight: 600;
}

.template-card.recovery-lvl-1 .template-recovery {
    background: rgba(212, 167, 67, 0.15);
    color: #8b6914;
    font-weight: 500;
}

.template-card.recovery-lvl-2 .template-recovery {
    background: var(--success-bg);
    color: var(--success);
}

/* Auto-fill z minula */
.exercise-last-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 8px 10px;
    background: var(--bg-hover);
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
    border: 1px dashed var(--border-strong);
}

.exercise-last-text {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@media (max-width: 640px) {
    .exercise-last-row {
        flex-direction: column;
        align-items: flex-start;
    }
    .exercise-last-row .btn {
        width: 100%;
    }
}

/* Session row - approve extra column for compare button */
.session-row {
    grid-template-columns: 100px 1fr auto auto 28px 28px;
}
.session-row-btn {
    background: transparent;
    border: 1px solid transparent;
    padding: 5px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-dim);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}
.session-row-btn:hover {
    background: var(--bg-hover);
    color: var(--text);
}
.session-delete-btn:hover {
    background: var(--danger-bg);
    color: var(--danger);
    border-color: var(--danger);
}
.session-compare-btn:hover {
    background: var(--accent-bg);
    color: var(--accent);
    border-color: var(--accent);
}

@media (max-width: 640px) {
    .session-row {
        grid-template-columns: 70px 1fr auto 26px 26px;
    }
    .session-sauna { display: none; }
}

/* Stats nav quick buttons */
.stats-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.stats-nav-btn {
    padding: 14px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
    color: var(--text);
}

.stats-nav-btn:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-1px);
}

/* Session compare */
.compare-headers {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
    padding: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.compare-header-cell {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.compare-header-cell:first-child {
    border-right: 1px solid var(--border);
    padding-right: 12px;
}

.compare-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.compare-exercise-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 14px;
}

.compare-exercise-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 10px;
}

.compare-exercise-name {
    font-weight: 700;
    font-size: 15px;
}

.compare-exercise-muscle {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 2px;
    color: var(--text-dim);
    text-transform: uppercase;
    margin-top: 2px;
}

.compare-delta {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 13px;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    letter-spacing: 0.5px;
}

.compare-delta.positive {
    background: var(--success-bg);
    color: var(--success);
}

.compare-delta.negative {
    background: var(--danger-bg);
    color: var(--danger);
}

.compare-delta.neutral {
    background: var(--bg-hover);
    color: var(--text-muted);
}

.compare-rows {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.compare-cell {
    padding: 10px;
    background: var(--bg-hover);
    border-radius: var(--radius);
}

.compare-cell.current {
    background: var(--accent-bg);
    border: 1px solid var(--accent);
}

.compare-cell-label {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 2px;
    color: var(--text-dim);
    text-transform: uppercase;
    margin-bottom: 6px;
}

.compare-sets {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    line-height: 1.4;
}

.compare-best {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--accent);
    margin-top: 4px;
    font-weight: 600;
}

.compare-volume {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Muscle Balance */
.balance-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 14px 16px;
    margin-bottom: 12px;
}

.balance-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 10px;
}

.balance-title {
    font-weight: 700;
    font-size: 15px;
}

.balance-ratio {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
}

.balance-bar {
    display: flex;
    height: 32px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: 8px;
}

.balance-bar-a, .balance-bar-b {
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 1px;
    font-weight: 600;
    color: white;
    padding: 0 6px;
    text-transform: uppercase;
    min-width: 20px;
    overflow: hidden;
    white-space: nowrap;
}

.balance-bar-a {
    background: #8b6914;
}

.balance-bar-b {
    background: #b08d57;
}

.balance-advice {
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    letter-spacing: 0.5px;
}

.balance-advice.balanced {
    background: var(--success-bg);
    color: var(--success);
    font-weight: 500;
}

.balance-advice.unbalanced {
    background: var(--danger-bg);
    color: var(--danger);
    font-weight: 500;
}

.balance-advice.nodata {
    background: var(--bg-hover);
    color: var(--text-dim);
}

.muscle-volume-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.muscle-volume-row {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 12px;
    padding: 8px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    align-items: center;
}

.muscle-volume-label {
    font-weight: 500;
}

.muscle-volume-sets, .muscle-volume-vol {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

/* PR Compare */
.pr-compare-header {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 16px;
    align-items: center;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
}

.pr-compare-name-me, .pr-compare-name-them {
    text-align: center;
    font-family: var(--font-serif);
    font-weight: 900;
    font-size: 24px;
    letter-spacing: -0.5px;
}

.pr-compare-name-me {
    color: var(--accent);
}

.pr-compare-vs {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--text-dim);
    text-transform: uppercase;
}

.pr-compare-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pr-compare-row {
    display: grid;
    grid-template-columns: 1fr 90px 90px;
    gap: 12px;
    align-items: center;
    padding: 10px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.pr-compare-name {
    font-weight: 500;
}

.pr-compare-me, .pr-compare-them {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 13px;
    text-align: center;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    background: var(--bg-hover);
    color: var(--text-muted);
}

.pr-compare-me.wins {
    background: var(--accent-bg);
    color: var(--accent);
    font-weight: 700;
}

.pr-compare-them.wins {
    background: var(--success-bg);
    color: var(--success);
    font-weight: 700;
}

@media (max-width: 640px) {
    .pr-compare-header {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 8px;
    }
    .pr-compare-name-me, .pr-compare-name-them {
        font-size: 18px;
    }
    .pr-compare-row {
        grid-template-columns: 1fr 70px 70px;
        font-size: 12px;
    }
}