/* ===== REST DAY ===== */
.rest-day-card {
    background: linear-gradient(135deg, rgba(74,222,128,0.06) 0%, rgba(74,222,128,0.02) 100%);
    border: 1px solid rgba(74,222,128,0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-10) var(--spacing-8);
    text-align: center;
    margin-bottom: var(--spacing-6);
}

.rest-day-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-4);
    animation: rest-float 3s ease-in-out infinite;
}

@keyframes rest-float {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-8px); }
}

.rest-day-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: #4ade80;
    margin: 0 0 var(--spacing-3);
}

.rest-day-desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: 480px;
    margin: 0 auto var(--spacing-6);
}

.rest-day-tips {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-5) var(--spacing-6);
    text-align: left;
    max-width: 400px;
    margin: 0 auto var(--spacing-6);
}

.rest-day-tips-title {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #4ade80;
    margin-bottom: var(--spacing-3);
}

.rest-day-tip-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.rest-day-tip-list li {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    padding: 4px 0;
}

.rest-day-next {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(249,115,22,0.08);
    border: 1px solid rgba(249,115,22,0.2);
    border-radius: 999px;
    padding: 10px 20px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    transition: all var(--transition-base);
}
.rest-day-next:hover {
    background: rgba(249,115,22,0.15);
    transform: translateX(3px);
}

/* ===== DAY PAGE ===== */
.day-page { padding: var(--spacing-8) 0 var(--spacing-20); }

.day-page-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-8);
    flex-wrap: wrap;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: color var(--transition-fast);
}
.back-btn:hover { color: var(--color-text); }

.day-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    flex-wrap: wrap;
}

/* Day hero */
.day-hero {
    background: var(--color-dark-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    margin-bottom: var(--spacing-6);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-6);
    align-items: center;
}

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

.day-hero-title {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-2);
}

.day-hero-sub {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.day-hero-sub span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Exercise list */
.exercise-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
}

.exercise-item {
    background: var(--color-dark-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-5);
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-4);
    align-items: center;
    transition: all var(--transition-base);
}

.exercise-item:hover {
    border-color: rgba(249,115,22,0.25);
    background: var(--color-dark-4);
}

.exercise-item.completed {
    border-color: rgba(74,222,128,0.3);
    background: rgba(74,222,128,0.04);
}

.exercise-icon {
    background: var(--color-dark-4);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.exercise-anim-wrap {
    width: 92px;
    height: 80px;
    padding: 0;
}

.exercise-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    border-radius: var(--radius-md);
    display: block;
    transition: transform 0.4s ease;
}

.exercise-item:hover .exercise-photo {
    transform: scale(1.06);
}

.exercise-photo-clickable {
    cursor: zoom-in;
}

/* ── Lightbox ── */
.lightbox-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    z-index: 9000;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    animation: lb-fade 0.18s ease;
}

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

.lightbox-img {
    max-width: min(90vw, 580px);
    max-height: 85vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 14px;
    cursor: default;
    box-shadow: 0 32px 80px rgba(0, 0, 0, 0.6);
    animation: lb-scale 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes lb-scale {
    from { transform: scale(0.82); opacity: 0; }
    to   { transform: scale(1);    opacity: 1; }
}

.lightbox-close {
    position: absolute;
    top: 18px;
    right: 18px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    font-size: 1.2rem;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
    z-index: 9001;
}
.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.22);
}

@media (max-width: 480px) {
    .exercise-anim-wrap {
        width: 70px;
        height: 62px;
    }
}

.exercise-info {}
.exercise-name {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 4px;
}
.exercise-detail {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    display: flex;
    gap: var(--spacing-3);
    flex-wrap: wrap;
}

.exercise-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--color-dark-5);
    border-radius: var(--radius-full);
    padding: 2px 8px;
    font-size: 0.75rem;
    font-weight: 600;
}

.exercise-chip.rest { color: var(--color-blue); }
.exercise-chip.sets { color: var(--color-primary); }
.exercise-chip.reps { color: var(--color-accent); }
.exercise-chip.duration { color: var(--color-purple); }

.exercise-tip {
    margin-top: var(--spacing-3);
    padding: var(--spacing-3);
    background: rgba(249,115,22,0.06);
    border-left: 3px solid var(--color-primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* Timer */
.timer-section {
    background: var(--color-dark-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    text-align: center;
    margin-bottom: var(--spacing-6);
}

.timer-label {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-4);
}

.timer-ring-wrap {
    position: relative;
    width: 160px;
    height: 160px;
    margin: 0 auto var(--spacing-4);
}

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

.timer-display {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
}

.timer-time {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1;
    font-variant-numeric: tabular-nums;
    animation: timerTick 1s ease infinite;
}

.timer-time.rest-mode { color: var(--color-blue); }
.timer-time.go-mode { color: var(--color-accent); }

.timer-phase-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

.timer-set-label {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.05em;
    margin-top: 4px;
}

.timer-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3);
    margin-top: var(--spacing-5);
}

/* Video placeholder */
.video-placeholder {
    background: var(--color-dark-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    aspect-ratio: 16/9;
    max-height: 320px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
    position: relative;
    overflow: hidden;
}

.video-placeholder-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(249,115,22,0.05) 0%, transparent 70%);
}

.video-play-btn {
    width: 64px;
    height: 64px;
    background: rgba(249,115,22,0.9);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    box-shadow: 0 0 30px rgba(249,115,22,0.4);
    position: relative;
    z-index: 1;
}

.video-play-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 40px rgba(249,115,22,0.6);
}

.video-play-btn::after {
    content: '';
    width: 0;
    height: 0;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    border-left: 20px solid white;
    margin-left: 4px;
}

.video-title {
    font-weight: 700;
    font-size: 1rem;
    position: relative;
    z-index: 1;
}

.video-sub {
    color: var(--color-text-subtle);
    font-size: 0.8rem;
    position: relative;
    z-index: 1;
}

/* Complete button */
.complete-btn-wrap {
    text-align: center;
    padding: var(--spacing-6) 0;
}

.day-locked-today {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 24px 32px;
    border-radius: 16px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    color: var(--color-text-muted);
    font-size: 0.95rem;
    font-weight: 600;
    max-width: 400px;
    margin: 0 auto;
}

.complete-btn {
    font-size: 1.1rem;
    padding: 18px 48px;
}

.day-complete-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-3);
    background: rgba(74,222,128,0.1);
    border: 1px solid rgba(74,222,128,0.3);
    border-radius: var(--radius-full);
    padding: 12px 24px;
    color: var(--color-accent);
    font-weight: 700;
    font-size: 1rem;
    animation: scaleIn 0.4s var(--transition-spring) both;
}

/* Next day preview */
.next-day-preview {
    background: var(--color-dark-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-5);
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-decoration: none;
    color: var(--color-text);
    transition: all var(--transition-base);
}

.next-day-preview:hover {
    border-color: rgba(249,115,22,0.3);
    background: var(--color-dark-3);
    color: var(--color-text);
}

.next-day-preview-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.next-day-preview-title {
    font-weight: 700;
    font-size: 1rem;
}

/* Tips box */
.tips-box {
    background: var(--color-dark-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-5);
    margin-top: var(--spacing-3);
}

.tips-box h4 {
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-3);
}

.tips-box p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    line-height: 1.6;
}