/**
 * === MEDITATION.CSS ===
 * /assets/css/meditation.css
 * НАЗНАЧЕНИЕ: Стили для страницы медитаций - таймер, карточки, статистика
 * СВЯЗИ: style.css, components.css
 * РАЗМЕР: ~500 строк
 */

/* ============================================
   MEDITATION PAGE LAYOUT
   ============================================ */

.meditation-page {
    padding: var(--spacing-lg) 0;
}

.meditation-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.meditation-header h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.meditation-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.meditation-layout {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

/* ============================================
   TIMER SECTION
   ============================================ */

.meditation-timer-section {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(255, 215, 0, 0.03) 100%);
    border: 2px solid var(--color-gold-light);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.meditation-timer-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 10% 20%, rgba(255, 215, 0, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(74, 144, 217, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.timer-display {
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.timer-time {
    font-family: var(--font-heading);
    font-size: 5rem;
    font-weight: 700;
    background: var(--gradient-spiritual);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    line-height: 1;
    letter-spacing: -0.02em;
}

.timer-label {
    font-size: 1rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-top: var(--spacing-sm);
    display: block;
}

/* Timer progress ring */
.timer-ring {
    position: relative;
    width: 280px;
    height: 280px;
    margin: 0 auto var(--spacing-xl);
}

.timer-ring svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.timer-ring-background {
    fill: none;
    stroke: var(--bg-secondary);
    stroke-width: 8;
}

.timer-ring-progress {
    fill: none;
    stroke: url(#timerGradient);
    stroke-width: 8;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.5s ease;
}

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

/* Timer Controls */
.timer-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    position: relative;
}

.timer-controls .btn {
    min-width: 140px;
    position: relative;
    overflow: hidden;
}

.timer-controls .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.timer-controls .btn:hover::before {
    left: 100%;
}

/* Quick Timer Buttons */
.quick-timer-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    position: relative;
}

.quick-timer-buttons span {
    font-size: var(--text-sm);
    margin-right: var(--spacing-sm);
}

.btn-quick-timer {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-quick-timer:hover {
    background: var(--gradient-gold);
    border-color: var(--color-gold);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.btn-quick-timer.active {
    background: var(--gradient-gold);
    border-color: var(--color-gold);
    color: var(--text-primary);
}

/* ============================================
   STATS SECTION
   ============================================ */

.meditation-stats-section {
    margin-bottom: var(--spacing-lg);
}

.meditation-stats-section .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.meditation-stats-section .stat-card {
    background: var(--bg-card);
    border: 1px solid #E5E7EB;
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.meditation-stats-section .stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-spiritual);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.meditation-stats-section .stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.meditation-stats-section .stat-card:hover::before {
    opacity: 1;
}

.meditation-stats-section .stat-value {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-gold-dark);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.meditation-stats-section .stat-label {
    font-size: var(--text-sm);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   MEDITATION LIST SECTION
   ============================================ */

.meditation-list-section {
    background: var(--bg-card);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
}

.meditation-list-section .section-title {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.meditation-list-section .section-title::before {
    content: '';
    width: 4px;
    height: 28px;
    background: var(--gradient-gold);
    border-radius: var(--radius-full);
}

/* Meditation Grid */
.meditation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

/* ============================================
   MEDITATION CARD
   ============================================ */

.meditation-card {
    background: var(--bg-primary);
    border: 1px solid #E5E7EB;
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    position: relative;
    overflow: hidden;
}

.meditation-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-spiritual);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.meditation-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-gold-dark);
    box-shadow: var(--shadow-gold);
}

.meditation-card:hover::before {
    opacity: 1;
}

.meditation-card.active {
    border-color: var(--color-gold);
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(255, 215, 0, 0.05) 100%);
}

.meditation-card.active::before {
    opacity: 1;
}

/* Card Icon */
.meditation-card__icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    border-radius: var(--radius-lg);
    background: var(--gradient-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.meditation-card:hover .meditation-card__icon {
    transform: scale(1.05);
}

.meditation-card__icon svg,
.meditation-card__icon .icon {
    width: 28px;
    height: 28px;
    color: var(--text-primary);
}

/* Card Content */
.meditation-card__content {
    flex: 1;
    min-width: 0;
}

.meditation-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.meditation-card__description {
    font-size: var(--text-sm);
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.meditation-card__meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--text-sm);
}

.meditation-type {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    background: rgba(74, 144, 217, 0.1);
    color: var(--color-blue);
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.meditation-duration {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--text-muted);
}

.meditation-duration::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--text-muted);
    border-radius: 50%;
}

/* Premium Badge */
.meditation-card .premium-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--gradient-gold);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-primary);
}

/* ============================================
   MOOD PICKER
   ============================================ */

.mood-picker {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.mood-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
}

.mood-option input {
    position: absolute;
    opacity: 0;
}

.mood-option span {
    font-size: 2rem;
    padding: var(--spacing-sm);
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    transition: all 0.2s ease;
    background: var(--bg-secondary);
}

.mood-option:hover span {
    transform: scale(1.1);
    background: var(--color-gold-light);
}

.mood-option input:checked + span {
    border-color: var(--color-gold);
    background: var(--color-gold-light);
    transform: scale(1.15);
}

/* ============================================
   DURATION DISPLAY
   ============================================ */

.duration-display {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-gold-dark);
    text-align: center;
    padding: var(--spacing-md);
    background: var(--color-gold-light);
    border-radius: var(--radius-lg);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

/* ============================================
   MEDITATION LOG MODAL
   ============================================ */

#meditation-log-modal .modal-content {
    max-width: 500px;
}

#meditation-log-modal .modal-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    justify-content: center;
}

#meditation-log-modal .modal-title::before {
    content: '🧘';
    font-size: 1.5rem;
}

/* ============================================
   BREATHING ANIMATION
   ============================================ */

@keyframes breathe {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.08);
        opacity: 1;
    }
}

.timer-breathing {
    animation: breathe 4s ease-in-out infinite;
}

/* Pulse ring animation during meditation */
@keyframes pulseRing {
    0% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.3;
    }
    100% {
        transform: scale(1);
        opacity: 0.5;
    }
}

.meditation-timer-section.active .timer-display::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200px;
    height: 200px;
    margin: -100px 0 0 -100px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.15) 0%, transparent 70%);
    animation: pulseRing 4s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

/* ============================================
   EMPTY STATE
   ============================================ */

.meditation-empty {
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--text-muted);
}

.meditation-empty .empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.meditation-empty h3 {
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-sm);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .meditation-stats-section .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .meditation-header h2 {
        font-size: 2rem;
    }

    .meditation-layout {
        gap: var(--spacing-xl);
    }

    .meditation-timer-section {
        padding: var(--spacing-xl);
    }

    .timer-time {
        font-size: 3.5rem;
    }

    .timer-controls {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .timer-controls .btn {
        width: 100%;
    }

    .quick-timer-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .quick-timer-buttons span {
        margin-right: 0;
        margin-bottom: var(--spacing-xs);
    }

    .meditation-stats-section .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .meditation-grid {
        grid-template-columns: 1fr;
    }

    .meditation-card {
        flex-direction: column;
        text-align: center;
    }

    .meditation-card__icon {
        margin: 0 auto;
    }

    .meditation-card__meta {
        justify-content: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .mood-picker {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .timer-time {
        font-size: 2.5rem;
    }

    .timer-ring {
        width: 200px;
        height: 200px;
    }

    .meditation-timer-section {
        padding: var(--spacing-lg);
    }

    .meditation-stats-section .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .meditation-stats-section .stat-card {
        padding: var(--spacing-md);
    }

    .meditation-stats-section .stat-value {
        font-size: var(--text-2xl);
    }

    .meditation-list-section {
        padding: var(--spacing-md);
    }

    .meditation-header h2 {
        font-size: 1.6rem;
    }

    .meditation-grid {
        gap: var(--spacing-md);
    }
}