/**
 * Streak Tracking Styles
 * Phase 3C: Streak Tracking - Visual Design
 * Fire-themed design with engaging animations and progress indicators
 */

/* Streak Visualizer Container */
.streak-visualizer {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Streak Header */
.streak-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
    padding: 2rem;
    border-radius: 16px 16px 0 0;
    position: relative;
    overflow: hidden;
}

.streak-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.1) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.1) 75%);
    background-size: 20px 20px;
    animation: slideBackground 20s linear infinite;
}

@keyframes slideBackground {
    0% { transform: translateX(0); }
    100% { transform: translateX(20px); }
}

.main-streak-display {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    position: relative;
    z-index: 1;
}

.streak-flame-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.streak-flame {
    font-size: 4rem;
    animation: flicker 2s ease-in-out infinite alternate;
    position: relative;
    z-index: 2;
}

.streak-flame.flame-none {
    opacity: 0.3;
    animation: none;
}

.streak-flame.flame-small {
    font-size: 3rem;
    animation-duration: 3s;
}

.streak-flame.flame-medium {
    font-size: 4rem;
    animation-duration: 2s;
}

.streak-flame.flame-large {
    font-size: 5rem;
    animation-duration: 1.5s;
    filter: drop-shadow(0 0 10px rgba(231, 76, 60, 0.8));
}

.streak-flame.flame-legendary {
    font-size: 6rem;
    animation-duration: 1s;
    filter: drop-shadow(0 0 20px rgba(231, 76, 60, 1));
    background: linear-gradient(45deg, #f39c12, #e74c3c, #9b59b6);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

@keyframes flicker {
    0%, 100% { transform: scale(1) rotate(-1deg); }
    50% { transform: scale(1.1) rotate(1deg); }
}

.streak-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, rgba(231, 76, 60, 0.4), transparent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
    z-index: 1;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.4; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.6; }
}

.streak-info {
    text-align: center;
}

.streak-count {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.streak-label {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.streak-message {
    font-size: 1rem;
    opacity: 0.8;
    font-style: italic;
}

.streak-quick-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    position: relative;
    z-index: 1;
}

.quick-stat {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.quick-stat .stat-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.quick-stat .stat-label {
    display: block;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Streak Tabs */
.streak-tabs {
    display: flex;
    background: var(--card-background);
    border-bottom: 2px solid var(--border-color);
}

.streak-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
}

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

.streak-tab.active {
    color: var(--primary-color);
    background: var(--background-color);
}

.streak-tab.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary-color);
}

/* Streak Content */
.streak-content {
    background: var(--card-background);
    padding: 2rem;
    border-radius: 0 0 16px 16px;
}

/* Overview View */
.streak-overview {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.streak-types h3,
.weekly-progress h3,
.recent-activity h3 {
    margin: 0 0 1rem 0;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Streak Type Cards */
.streak-type-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.streak-type-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--background-color);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.streak-type-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.streak-type-card.daily {
    border-color: rgba(231, 76, 60, 0.3);
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.05), transparent);
}

.streak-type-card.active {
    border-color: rgba(52, 152, 219, 0.3);
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.05), transparent);
}

.streak-type-card.category {
    border-color: rgba(155, 89, 182, 0.3);
    background: linear-gradient(135deg, rgba(155, 89, 182, 0.05), transparent);
}

.type-icon {
    font-size: 2.5rem;
    width: 60px;
    text-align: center;
}

.type-info {
    flex: 1;
}

.type-count {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.25rem;
}

.type-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.25rem;
}

.type-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Weekly Progress */
.weekly-card {
    display: flex;
    align-items: center;
    gap: 2rem;
    background: var(--background-color);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
}

.weekly-info {
    flex: 1;
}

.weekly-stats {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.current-progress {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.goal-separator {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.goal-target {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.goal-label {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-left: 0.5rem;
}

.weekly-progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.weekly-progress-bar .progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 4px;
    transition: width 0.8s ease;
}

.weekly-status {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.weekly-streak-count {
    text-align: center;
    background: rgba(52, 152, 219, 0.1);
    border: 2px solid rgba(52, 152, 219, 0.3);
    border-radius: 12px;
    padding: 1rem;
    min-width: 120px;
}

.weekly-streak-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.weekly-streak-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Recent Activity Timeline */
.activity-timeline {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1rem;
}

.activity-day {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    background: var(--background-color);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    transition: all 0.3s ease;
}

.activity-day.active {
    border-color: rgba(46, 204, 113, 0.5);
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.1), transparent);
}

.activity-day.today {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), transparent);
}

.day-header {
    text-align: center;
}

.day-name {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.day-number {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-color);
}

.day-indicator {
    font-size: 1.5rem;
}

.day-stats {
    text-align: center;
}

.day-counts {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Calendar View */
.calendar-view {
    max-width: 800px;
    margin: 0 auto;
}

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    padding: 0 1rem;
}

.calendar-nav {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.calendar-nav:hover {
    background: #2980b9;
    transform: scale(1.1);
}

.calendar-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.calendar-grid {
    background: var(--background-color);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    background: var(--primary-color);
    color: white;
}

.weekday {
    padding: 1rem;
    text-align: center;
    font-weight: 600;
    font-size: 0.9rem;
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    border: 1px solid var(--border-color);
    background: var(--card-background);
    transition: all 0.3s ease;
    cursor: pointer;
    min-height: 80px;
}

.calendar-day:hover {
    background: var(--background-color);
}

.calendar-day.empty {
    background: var(--border-color);
    opacity: 0.3;
    cursor: default;
}

.calendar-day.active {
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.2), rgba(39, 174, 96, 0.1));
    border-color: rgba(46, 204, 113, 0.5);
}

.calendar-day.today {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.2), rgba(41, 128, 185, 0.1));
    border-color: var(--primary-color);
    border-width: 2px;
}

.calendar-day .day-number {
    font-weight: 600;
    color: var(--text-color);
}

.calendar-day .day-indicator {
    font-size: 1.2rem;
}

.calendar-day .day-count {
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.calendar-legend {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
    padding: 1rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.legend-indicator {
    font-size: 1.2rem;
}

.legend-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Stats View */
.stats-view {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    background: var(--background-color);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.stat-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.stat-card .stat-icon {
    font-size: 2rem;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-color);
}

.stat-card .stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: center;
}

/* Monthly Breakdown */
.monthly-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.monthly-card {
    background: var(--background-color);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.monthly-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.month-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
    text-align: center;
}

.month-stats {
    display: flex;
    justify-content: space-between;
}

.month-stat {
    text-align: center;
}

.month-stat .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
}

.month-stat .stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Insight Cards */
.insight-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.insight-card {
    display: flex;
    gap: 1rem;
    background: var(--background-color);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.insight-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.insight-icon {
    font-size: 2rem;
    color: var(--accent-color);
}

.insight-content {
    flex: 1;
}

.insight-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.insight-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* History View */
.history-content {
    text-align: center;
    padding: 3rem;
}

.history-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    background: var(--background-color);
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 3rem;
    margin-top: 2rem;
}

.placeholder-icon {
    font-size: 4rem;
    opacity: 0.5;
}

.placeholder-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* Mobile Responsive Design */
@media (max-width: 768px) {
    .streak-header {
        flex-direction: column;
        gap: 1.5rem;
        padding: 1.5rem;
    }

    .main-streak-display {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .streak-quick-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }

    .quick-stat {
        padding: 0.75rem;
    }

    .quick-stat .stat-value {
        font-size: 1.4rem;
    }

    .streak-tabs {
        flex-wrap: wrap;
    }

    .streak-tab {
        flex: 1 1 50%;
        min-width: 120px;
    }

    .streak-content {
        padding: 1rem;
    }

    .streak-type-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .weekly-card {
        flex-direction: column;
        gap: 1rem;
    }

    .activity-timeline {
        grid-template-columns: repeat(7, 1fr);
        gap: 0.5rem;
    }

    .activity-day {
        padding: 0.5rem;
    }

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

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

    .insight-cards {
        grid-template-columns: 1fr;
    }

    .calendar-day {
        min-height: 60px;
    }

    .calendar-legend {
        flex-direction: column;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .streak-flame {
        font-size: 3rem;
    }

    .streak-count {
        font-size: 2rem;
    }

    .activity-timeline {
        grid-template-columns: repeat(7, 1fr);
        gap: 0.25rem;
    }

    .activity-day {
        padding: 0.25rem;
    }

    .day-indicator {
        font-size: 1rem;
    }

    .calendar-day {
        min-height: 50px;
    }

    .weekday {
        padding: 0.5rem;
        font-size: 0.8rem;
    }
}