:root {
    --bg: #121212;
    --surface: #1e1e1e;
    --surface-2: #2c2c2c;
    --primary: #bb86fc;
    --primary-variant: #3700b3;
    --text: #ffffff;
    --text-secondary: #b0b0b0;
    --success: #03dac6;
    --danger: #cf6679;
    --warning: #fbbc04;
    --border: #333333;
    --radius: 10px;
}

* { 
    box-sizing: border-box; 
    touch-action: manipulation; 
    -webkit-tap-highlight-color: transparent;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    padding-bottom: 40px;
}

header {
    background-color: var(--surface);
    padding: 14px 16px;
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

h1, h2, h3, h4 { margin: 0; }
h2 { font-size: 1.15rem; }
h3 { font-size: 1.05rem; }

.container { padding: 12px; }

.header-actions { display: flex; gap: 8px; align-items: center; }
.header-btn { font-size: 1.3rem; padding: 8px 10px; }

/* === Buttons === */
.btn {
    background-color: var(--primary);
    color: #000;
    border: none;
    border-radius: var(--radius);
    padding: 14px 20px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    text-align: center;
    transition: opacity 0.15s;
}
.btn:active { opacity: 0.7; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-secondary { 
    background-color: var(--surface-2); 
    color: var(--text); 
    border: 1px solid var(--border); 
}
.btn-danger { background-color: var(--danger); color: #fff; }
.btn-success { background-color: var(--success); color: #000; }
.btn-small { width: auto; padding: 8px 14px; font-size: 0.9rem; }
.btn-ghost {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 6px 10px;
    font-size: 0.85rem;
    width: auto;
    border-radius: 6px;
}
.btn-row { display: flex; gap: 8px; margin-top: 10px; }
.btn-row .btn { flex: 1; }

/* === Cards === */
.card {
    background-color: var(--surface);
    border-radius: var(--radius);
    padding: 14px;
    margin-bottom: 12px;
    border: 1px solid var(--border);
}

/* === Sync status === */
.sync-status { 
    font-size: 0.75rem; 
    color: var(--text-secondary); 
    display: flex; 
    align-items: center; 
    gap: 5px;
    margin-top: 2px;
}
.sync-status.synced { color: var(--success); }
.sync-status.pending { color: var(--warning); }

/* === Inputs === */
input, select, textarea {
    background-color: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 8px;
    padding: 13px;
    font-size: 1rem;
    width: 100%;
    font-family: inherit;
}
input:focus, select:focus, textarea:focus {
    outline: 2px solid var(--primary);
    border-color: transparent;
}
input[type="number"] { text-align: center; font-weight: 600; }
textarea { resize: vertical; min-height: 60px; }

/* === Accordion (workout list) === */
.workout-accordion {
    margin-bottom: 10px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
}
.workout-header {
    background-color: var(--surface);
    padding: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}
.workout-header.active { border-left: 4px solid var(--primary); }
.workout-header.completed { opacity: 0.7; }
.workout-meta {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
}
.workout-body {
    background-color: var(--bg);
    padding: 12px;
    display: none;
}
.workout-body.expanded { display: block; }
.workout-badge {
    font-size: 0.7rem;
    padding: 3px 8px;
    border-radius: 4px;
    background: var(--surface-2);
    color: var(--text-secondary);
}
.workout-badge.dirty { background: var(--warning); color: #000; }
.workout-badge.synced-badge { background: var(--success); color: #000; }

/* === Exercise accordion === */
.exercise-card {
    background-color: var(--surface);
    border-radius: var(--radius);
    margin-bottom: 10px;
    border: 1px solid var(--border);
    overflow: hidden;
}
.exercise-header {
    padding: 12px 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}
.exercise-header.expanded { border-bottom: 1px solid var(--border); }
.exercise-name { font-weight: 600; color: var(--primary); font-size: 1rem; }
.exercise-summary {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-left: 6px;
}
.chevron {
    transition: transform 0.2s;
    color: var(--text-secondary);
}
.chevron.open { transform: rotate(90deg); }
.exercise-body {
    padding: 12px 14px;
    display: none;
}
.exercise-body.expanded { display: block; }

/* === Set rows === */
.sets-table { margin-bottom: 12px; }
.set-row {
    display: grid;
    grid-template-columns: 30px 1fr 1fr auto auto;
    gap: 6px;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
}
.set-row:last-child { border-bottom: none; }
.set-number {
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-align: center;
}
.set-cell { text-align: center; font-weight: 600; }
.set-cell.dropset {
    color: var(--warning);
    font-size: 0.85rem;
}
.set-rating {
    color: var(--warning);
    font-size: 0.85rem;
}
.set-actions {
    display: flex;
    gap: 4px;
}
.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 6px 8px;
    cursor: pointer;
    border-radius: 4px;
    font-size: 1rem;
}
.icon-btn:active { background: var(--surface-2); }
.icon-btn.danger { color: var(--danger); }

/* === Dropset sub-rows === */
.dropset-group {
    background: rgba(251, 188, 4, 0.05);
    border-left: 3px solid var(--warning);
    padding-left: 8px;
    margin: 4px 0;
    border-radius: 0 6px 6px 0;
}

/* === Stepper (ИСПРАВЛЕНО: теперь в строку) === */
.stepper-row {
    display: flex;
    gap: 6px;
    margin-bottom: 8px;
    align-items: center;
    flex-wrap: nowrap;
}
.stepper {
    display: flex;
    align-items: center;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    flex: 1;
    min-width: 0;
}
.stepper-btn {
    background: transparent;
    border: none;
    color: var(--primary);
    font-size: 1.3rem;
    font-weight: bold;
    padding: 10px 12px;
    cursor: pointer;
    flex-shrink: 0;
}
.stepper-btn:active { background: var(--surface); }
.stepper input {
    border: none;
    background: transparent;
    text-align: center;
    padding: 10px 4px;
    font-size: 1rem;
    font-weight: 600;
    flex: 1;
    min-width: 0;
}
.stepper input:focus { outline: none; }

/* === Rating buttons === */
.rating-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
    margin: 10px 0;
}
.rating-btn {
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 8px;
    padding: 14px 0;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
}
.rating-btn.active {
    background-color: var(--warning);
    color: #000;
    border-color: var(--warning);
}

/* === History hint === */
.history-hint {
    background: rgba(187, 134, 252, 0.08);
    border: 1px dashed var(--primary);
    border-radius: 8px;
    padding: 10px 12px;
    margin-bottom: 14px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    opacity: 0.85;
}
.history-hint-title {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.history-hint-row {
    display: flex;
    justify-content: space-between;
    padding: 3px 0;
    border-bottom: 1px dotted var(--border);
}
.history-hint-row:last-child { border-bottom: none; }
.history-hint-date { color: var(--text-secondary); font-size: 0.75rem; }
.history-hint-sets { color: var(--text); font-weight: 500; }

/* === Autocomplete === */
.autocomplete-list {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    max-height: 200px;
    overflow-y: auto;
    margin-top: 6px;
}
.autocomplete-item {
    padding: 12px 14px;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
}
.autocomplete-item:last-child { border-bottom: none; }
.autocomplete-item:active { background: var(--surface); }
.autocomplete-item .freq {
    float: right;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* === Finish workout block === */
.finish-block {
    margin-top: 30px;
    padding: 16px;
    background: linear-gradient(to bottom, transparent, rgba(207, 102, 121, 0.1));
    border-top: 2px solid var(--danger);
}
.finish-block h3 { color: var(--danger); margin-bottom: 10px; }

/* === Add exercise / cardio buttons === */
.add-section {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
}
.add-section .btn { flex: 1; }

/* === Modal === */
.modal-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.85);
    z-index: 100;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    animation: fadeIn 0.2s;
}
.modal-content {
    background: var(--surface);
    padding: 20px;
    border-radius: 16px 16px 0 0;
    width: 100%;
    max-width: 500px;
    max-height: 85vh;
    overflow-y: auto;
    animation: slideUp 0.25s;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }

.modal-title { margin-bottom: 16px; }
.field-group { margin-bottom: 14px; }
.field-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
}
.field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.field-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px;
}

/* === Empty state === */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}
.empty-state h3 { color: var(--text); margin-bottom: 10px; }

/* === Settings screen === */
.settings-screen { padding: 12px; }
.settings-section { margin-bottom: 24px; }
.settings-section h3 {
    color: var(--primary);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}
.exercise-ref-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: var(--surface);
    border-radius: 8px;
    margin-bottom: 6px;
    border: 1px solid var(--border);
}
.exercise-ref-item .name { font-weight: 500; }
.exercise-ref-item .count {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-left: 6px;
}
.exercise-ref-item .type-badge {
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--primary-variant);
    color: var(--primary);
    margin-left: 6px;
}

/* === Body metrics === */
.metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
.metric-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    text-align: center;
}
.metric-card .label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 4px;
}
.metric-card .value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
}
.metric-card .date {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* === Universal stepper field === */
.stepper-field {
    display: flex;
    align-items: center;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}
.stepper-field .stepper-btn {
    background: transparent;
    border: none;
    color: var(--primary);
    font-size: 1.3rem;
    font-weight: bold;
    padding: 10px 12px;
    cursor: pointer;
    flex-shrink: 0;
    min-width: 44px;
}
.stepper-field .stepper-btn:active { background: var(--surface); }
.stepper-field input {
    border: none;
    background: transparent;
    text-align: center;
    padding: 10px 4px;
    font-size: 1rem;
    font-weight: 600;
    flex: 1;
    min-width: 0;
}
.stepper-field input:focus { outline: none; }

/* === Read-only state === */
.read-only-overlay {
    position: relative;
}
.read-only-banner {
    background: var(--success);
    color: #000;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 12px;
}

/* === Editable date === */
.editable-date {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 4px;
}
.editable-date:hover { background: var(--surface-2); }
.editable-date .edit-icon {
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0;
    transition: opacity 0.15s;
}
.editable-date:hover .edit-icon { opacity: 1; }

/* === Utility === */
.hidden { display: none !important; }
.text-muted { color: var(--text-secondary); font-size: 0.85rem; }
.text-small { font-size: 0.8rem; }
.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mb-10 { margin-bottom: 10px; }
.divider { height: 1px; background: var(--border); margin: 12px 0; }