/* =========================================
   DESIGN TOKENS
   ========================================= */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.07);
    --bg-glass: rgba(255, 255, 255, 0.06);
    --accent: #00e5a0;
    --accent-dim: rgba(0, 229, 160, 0.15);
    --accent-glow: rgba(0, 229, 160, 0.3);
    --accent-bright: #00ffb3;
    --text-primary: #f0f0f5;
    --text-secondary: #8888a0;
    --text-muted: #555570;
    --border: rgba(255, 255, 255, 0.08);
    --border-active: rgba(0, 229, 160, 0.4);
    --danger: #ff4466;
    --warning: #ffaa33;
    --font: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);

    /* Muscle group colors */
    --color-legs: #a855f7;
    --color-chest: #3b82f6;
    --color-back: #06b6d4;
    --color-shoulders: #f59e0b;
    --color-arms: #ec4899;
    --color-core: #eab308;
    --color-glutes: #f472b6;
    --color-traps: #8b5cf6;
    --color-calves: #a78bfa;
}

/* =========================================
   RESET & BASE
   ========================================= */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font);
    line-height: 1.6;
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: transparent;
}

/* =========================================
   LOADING SCREEN
   ========================================= */
.loading-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    gap: 1.5rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.loading-screen.hidden {
    display: none;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* =========================================
   APP CONTAINER
   ========================================= */
.app {
    max-width: 900px;
    margin: 0 auto;
    padding: 1rem 1rem 6rem;
}

/* =========================================
   HEADER
   ========================================= */
.app-header {
    text-align: center;
    padding: 1.5rem 0 1rem;
}

.app-header h1 {
    font-size: clamp(1.6rem, 5vw, 2.4rem);
    font-weight: 800;
    letter-spacing: 2px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 400;
    margin-top: 0.25rem;
}

/* =========================================
   CONTROLS BAR
   ========================================= */
.controls-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.week-selector {
    display: flex;
    gap: 0.35rem;
    background: var(--bg-secondary);
    padding: 3px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    flex: 1;
    min-width: 0;
}

.week-selector::-webkit-scrollbar {
    display: none;
}

.week-btn {
    padding: 0.45rem 0.85rem;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font);
    font-weight: 500;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
}

.week-btn:hover {
    color: var(--text-primary);
}

.week-btn.active {
    background: var(--accent);
    color: var(--bg-primary);
    font-weight: 600;
}

.reset-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.85rem;
    border: 1px solid rgba(255, 68, 102, 0.3);
    border-radius: var(--radius-sm);
    background: rgba(255, 68, 102, 0.08);
    color: var(--danger);
    font-family: var(--font);
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
}

.reset-btn:hover {
    background: rgba(255, 68, 102, 0.15);
    border-color: rgba(255, 68, 102, 0.5);
}

.controls-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

@media (max-width: 600px) {
    .controls-bar {
        flex-direction: column;
        align-items: stretch;
    }
    .controls-actions {
        justify-content: flex-end;
    }
}

.ctrl-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-family: var(--font);
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
}

.ctrl-btn:hover {
    color: var(--text-primary);
    border-color: var(--accent);
}

/* =========================================
   SCHEDULE GRID (7-day week)
   ========================================= */
.schedule {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.4rem;
    margin-bottom: 1.5rem;
}

.day-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.35rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    min-height: 70px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.2rem;
}

.day-card:hover:not(.rest) {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.15);
}

.day-card:active:not(.rest) {
    transform: scale(0.97);
}

.day-card.rest {
    opacity: 0.35;
    cursor: default;
}

.day-card.active {
    border-color: var(--border-active);
    background: var(--accent-dim);
    box-shadow: 0 0 20px var(--accent-glow);
}

.day-card.today .day-label {
    color: var(--accent);
}

.day-label {
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.day-workout-name {
    font-size: 0.62rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.25;
}

.day-card.rest .day-workout-name {
    color: var(--text-muted);
    font-style: italic;
}

.day-progress {
    margin-top: 0.3rem;
    height: 3px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 2px;
    overflow: hidden;
}

.day-progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    transition: width 0.4s ease;
}

/* =========================================
   WORKOUT DETAIL PANEL
   ========================================= */
.workout-detail {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.workout-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.workout-title {
    font-size: 1.3rem;
    font-weight: 700;
}

.workout-meta {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.workout-progress-badge {
    background: var(--accent-dim);
    color: var(--accent);
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.workout-duration {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.no-workout-msg {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
    font-size: 1rem;
}

.no-workout-msg .rest-emoji {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

/* =========================================
   SECTION HEADERS
   ========================================= */
.section-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin: 1.5rem 0 0.75rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--border);
}

.section-header:first-child {
    margin-top: 0.5rem;
}

.section-name {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
}

.section-count {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* =========================================
   EXERCISE CARD
   ========================================= */
.exercise-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: 0.75rem;
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.drag-handle {
    display: none;
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: grab;
    touch-action: none;
    z-index: 2;
}

.drag-handle:active {
    cursor: grabbing;
    background: var(--bg-primary);
}

.edit-mode .drag-handle {
    display: flex;
}

.edit-mode .exercise-card {
    border-color: rgba(52, 211, 153, 0.45);
    box-shadow: 0 0 0 1px rgba(52, 211, 153, 0.12) inset;
}

.edit-mode .exercise-card .sets-row,
.edit-mode .exercise-card .view-link {
    pointer-events: none;
    opacity: 0.45;
}

.edit-mode .exercise-card .exercise-inner {
    padding-right: 3rem;
}

.ctrl-btn.active {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

.sortable-ghost {
    opacity: 0.4;
    background: var(--bg-secondary);
}

.exercise-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
}

.exercise-card.all-done {
    border-color: rgba(0, 229, 160, 0.3);
    background: rgba(0, 229, 160, 0.03);
}

.exercise-inner {
    padding: 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.exercise-name-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.5rem;
}

.exercise-name {
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.3;
}

.muscle-badges {
    display: flex;
    gap: 0.3rem;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.muscle-badge {
    font-size: 0.62rem;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.muscle-badge.legs { background: rgba(168, 85, 247, 0.15); color: var(--color-legs); }
.muscle-badge.chest { background: rgba(59, 130, 246, 0.15); color: var(--color-chest); }
.muscle-badge.back { background: rgba(6, 182, 212, 0.15); color: var(--color-back); }
.muscle-badge.shoulders { background: rgba(245, 158, 11, 0.15); color: var(--color-shoulders); }
.muscle-badge.arms { background: rgba(236, 72, 153, 0.15); color: var(--color-arms); }
.muscle-badge.core { background: rgba(234, 179, 8, 0.15); color: var(--color-core); }
.muscle-badge.glutes { background: rgba(244, 114, 182, 0.15); color: var(--color-glutes); }
.muscle-badge.traps { background: rgba(139, 92, 246, 0.15); color: var(--color-traps); }
.muscle-badge.calves { background: rgba(167, 139, 250, 0.15); color: var(--color-calves); }

.exercise-stats {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    align-items: center;
}

.stat {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.04);
    padding: 3px 8px;
    border-radius: 4px;
    font-weight: 500;
}

.stat strong {
    color: var(--text-primary);
    font-weight: 600;
}

.equipment-tag {
    font-size: 0.65rem;
    color: var(--accent);
    background: var(--accent-dim);
    padding: 2px 7px;
    border-radius: 4px;
    font-weight: 500;
    text-transform: capitalize;
}

.view-link {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.72rem;
    font-weight: 500;
    padding: 3px 8px;
    border-radius: 6px;
    transition: var(--transition);
    white-space: nowrap;
}

.view-link:hover {
    color: var(--accent);
    background: var(--accent-dim);
}

.exercise-cue {
    font-size: 0.78rem;
    color: var(--accent-bright);
    line-height: 1.4;
    padding: 0.5rem 0.65rem;
    background: rgba(0, 229, 160, 0.05);
    border-left: 2px solid var(--accent);
    border-radius: 0 6px 6px 0;
}

.exercise-cue::before {
    content: '💡 ';
    font-size: 0.7rem;
}

.exercise-notes {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
    line-height: 1.4;
}

/* =========================================
   SET CHECKBOXES & WEIGHT INPUTS
   ========================================= */
.sets-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 0.85rem;
    border-top: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.15);
    flex-wrap: wrap;
    overflow-x: auto;
}

.sets-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.set-track-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
}

.set-checkbox {
    position: relative;
    width: 32px;
    height: 32px;
    cursor: pointer;
    margin-bottom: 12px;
}

.set-checkbox input {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    z-index: 2;
    margin: 0;
}

.set-checkbox .checkmark {
    position: absolute;
    top: 0;
    left: 0;
    width: 32px;
    height: 32px;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.02);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.set-checkbox .checkmark::after {
    content: '';
    width: 10px;
    height: 5px;
    border: 2px solid transparent;
    border-top: none;
    border-right: none;
    transform: rotate(-45deg) scale(0);
    transition: transform 0.2s ease;
    margin-top: -2px;
}

.set-checkbox input:checked ~ .checkmark {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 12px var(--accent-glow);
}

.set-checkbox input:checked ~ .checkmark::after {
    border-color: var(--bg-primary);
    transform: rotate(-45deg) scale(1);
}

.set-checkbox:hover .checkmark {
    border-color: rgba(255, 255, 255, 0.25);
}

.set-number {
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.58rem;
    color: var(--text-muted);
    font-weight: 500;
}

.set-weight-input {
    width: 50px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.72rem;
    padding: 3px 2px;
    text-align: center;
    font-family: var(--font);
    transition: var(--transition);
}

.set-weight-input:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(0, 229, 160, 0.05);
}

.set-weight-input::-webkit-outer-spin-button,
.set-weight-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.set-weight-input[type=number] {
    -moz-appearance: textfield;
    appearance: textfield;
}

.prev-weight-hint {
    font-size: 0.52rem;
    color: var(--text-muted);
    text-align: center;
    white-space: nowrap;
}

.side-label {
    font-size: 0.5rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.set-weight-input.pr {
    border-color: var(--warning);
    background: rgba(255, 170, 51, 0.10);
    color: var(--warning);
    box-shadow: 0 0 12px rgba(255, 170, 51, 0.35);
    font-weight: 700;
}

.pr-chip {
    display: inline-block;
    margin-top: 1px;
    padding: 1px 5px;
    border-radius: 4px;
    background: var(--warning);
    color: var(--bg-primary);
    font-size: 0.5rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: 0 0 10px rgba(255, 170, 51, 0.5);
    animation: pr-pulse 1.6s ease-in-out infinite;
}

@keyframes pr-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}

.weight-spark-wrap {
    margin-top: 2px;
    line-height: 0;
}

.weight-spark {
    width: 50px;
    height: 14px;
    overflow: visible;
}

.weight-spark polyline {
    stroke: var(--accent);
    opacity: 0.7;
}

.weight-spark circle {
    fill: var(--accent);
}

.set-track-group.is-pr .weight-spark polyline {
    stroke: var(--warning);
    opacity: 0.9;
}

.set-track-group.is-pr .weight-spark circle {
    fill: var(--warning);
}

/* =========================================
   REST TIMER WIDGET
   ========================================= */
.rest-timer-widget {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%) translateY(120px);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(18, 18, 26, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 0.6rem 1rem;
    border-radius: 50px;
    border: 1px solid var(--border-active);
    box-shadow: 0 8px 32px rgba(0, 229, 160, 0.15);
    z-index: 1000;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.rest-timer-widget.active {
    transform: translateX(-50%) translateY(0);
}

.timer-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.timer-ring-bg {
    fill: none;
    stroke: var(--border);
    stroke-width: 3;
}

.timer-ring-progress {
    fill: none;
    stroke: var(--accent);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-dasharray: 125.66;
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 0.3s ease;
}

.timer-text {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent);
    min-width: 3.5rem;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.timer-actions {
    display: flex;
    gap: 0.4rem;
}

.timer-btn {
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    font-family: var(--font);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.timer-btn-add {
    background: var(--accent-dim);
    color: var(--accent);
}

.timer-btn-add:hover {
    background: var(--accent);
    color: var(--bg-primary);
}

.timer-btn-stop {
    background: rgba(255, 68, 102, 0.15);
    color: var(--danger);
    font-size: 1.1rem;
}

.timer-btn-stop:hover {
    background: var(--danger);
    color: #fff;
}

/* =========================================
   TOAST
   ========================================= */
.toast {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    background: rgba(18, 18, 26, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: var(--text-primary);
    padding: 0.6rem 1.4rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid var(--border);
    z-index: 999;
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
    pointer-events: none;
}

.toast.visible {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* =========================================
   CONFIRM DIALOG
   ========================================= */
.confirm-overlay {
    position: fixed;
    inset: 0;
    z-index: 9998;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    animation: fadeIn 0.2s ease;
}

.confirm-dialog {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    max-width: 340px;
    width: 100%;
    text-align: center;
}

.confirm-dialog h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.confirm-dialog p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 1.25rem;
}

.confirm-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

.confirm-actions button {
    padding: 0.55rem 1.5rem;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-cancel {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border) !important;
}

.btn-cancel:hover {
    background: var(--bg-card-hover);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    opacity: 0.85;
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 480px) {
    .app {
        padding: 0.75rem 0.75rem 6rem;
    }

    .app-header {
        padding: 1rem 0 0.75rem;
    }

    .workout-title {
        font-size: 1.1rem;
    }

    .exercise-name {
        font-size: 0.92rem;
    }

    .sets-row {
        gap: 0.4rem;
        padding: 0.6rem 0.65rem;
    }

    .set-checkbox,
    .set-checkbox .checkmark {
        width: 28px;
        height: 28px;
    }

    .set-weight-input {
        width: 44px;
        font-size: 0.68rem;
    }
}

/* =========================================
   PHASE TABS
   ========================================= */
.phase-tabs {
    display: flex;
    gap: 0.4rem;
    margin-bottom: 1rem;
    background: var(--bg-secondary);
    padding: 4px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    overflow-x: auto;
    scrollbar-width: none;
}

.phase-tabs::-webkit-scrollbar {
    display: none;
}

.phase-tab {
    flex: 1;
    min-width: 140px;
    padding: 0.55rem 0.85rem;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font);
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    text-align: center;
}

.phase-tab:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.phase-tab.active {
    background: var(--accent);
    color: var(--bg-primary);
    font-weight: 700;
    box-shadow: 0 0 12px var(--accent-glow);
}

.phase-tab-label {
    display: block;
    line-height: 1.2;
}

/* =========================================
   PHASE BANNER (week-level note inside workout detail)
   ========================================= */
.phase-banner {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.10), rgba(245, 158, 11, 0.04));
    border: 1px solid rgba(245, 158, 11, 0.30);
    border-radius: var(--radius-md);
    padding: 0.85rem 1rem;
    margin-bottom: 1rem;
}

.phase-banner-label {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--warning);
    margin-bottom: 0.35rem;
}

.phase-banner-note {
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.45;
}

.phase-banner-legend {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px dashed rgba(245, 158, 11, 0.25);
}

.legend-item {
    display: grid;
    grid-template-columns: 12px auto 1fr;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    line-height: 1.35;
}

.legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--tech-color);
    box-shadow: 0 0 6px var(--tech-color);
}

.legend-label {
    font-weight: 700;
    color: var(--tech-color);
    font-size: 0.72rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    white-space: nowrap;
}

.legend-summary {
    color: var(--text-secondary);
    font-size: 0.78rem;
}

@media (max-width: 600px) {
    .legend-item {
        grid-template-columns: 10px auto;
        grid-template-rows: auto auto;
    }
    .legend-summary {
        grid-column: 2;
        font-size: 0.72rem;
    }
}

/* =========================================
   INTENSITY BLOCK (per-exercise technique cue)
   ========================================= */
.exercise-card.has-intensity {
    border-color: rgba(245, 158, 11, 0.25);
    box-shadow: 0 0 0 1px rgba(245, 158, 11, 0.05) inset;
}

.hypertrophy-tip {
    margin-top: 0.35rem;
    padding: 0.5rem 0.65rem;
    font-size: 0.78rem;
    line-height: 1.35;
    color: var(--text-muted, #9aa1ad);
    background: rgba(56, 189, 248, 0.06);
    border-left: 2px solid rgba(56, 189, 248, 0.5);
    border-radius: var(--radius-sm);
}

.hypertrophy-tip-label {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(56, 189, 248, 0.9);
    margin-right: 0.4rem;
}

.intensity-block {
    margin-top: 0.35rem;
    padding: 0.55rem 0.7rem;
    background: color-mix(in srgb, var(--tech-color) 8%, transparent);
    border: 1px solid color-mix(in srgb, var(--tech-color) 30%, transparent);
    border-radius: var(--radius-sm);
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.intensity-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    align-self: flex-start;
}

.intensity-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--tech-color);
    box-shadow: 0 0 6px var(--tech-color);
}

.intensity-label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--tech-color);
}

.intensity-instruction {
    font-size: 0.78rem;
    color: var(--text-primary);
    line-height: 1.4;
    opacity: 0.92;
}

@media (max-width: 600px) {
    .phase-tab {
        min-width: 120px;
        padding: 0.5rem 0.6rem;
        font-size: 0.72rem;
    }
    .intensity-instruction {
        font-size: 0.72rem;
    }
}