/* =============================================
   GAMIFICATION - ProductiveApp v4.0
   Dark mode with purple accent (#8b5cf6)
============================================= */

:root {
    --gam-bg: #12121a;
    --gam-card: #1e1e28;
    --gam-card-hover: #252532;
    --gam-accent: #8b5cf6;
    --gam-accent-glow: rgba(139, 92, 246, 0.3);
    --gam-accent-muted: rgba(139, 92, 246, 0.2);
    --gam-text: #f5f5f5;
    --gam-text-muted: #71717a;
    --gam-border: rgba(139, 92, 246, 0.2);
    --gam-success: #22c55e;
    --gam-gold: #fbbf24;
    --gam-silver: #94a3b8;
    --gam-bronze: #d97706;
}

/* === GAMIFICATION VIEW === */
.gamification-view {
    padding: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.gamification-header {
    margin-bottom: 32px;
}

.gamification-header h1 {
    font-size: 1.8rem;
    color: var(--gam-text);
    display: flex;
    align-items: center;
    gap: 12px;
}

.gamification-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@media (max-width: 900px) {
    .gamification-grid {
        grid-template-columns: 1fr;
    }
}

/* === PROFILE CARD === */
.gam-profile-card {
    background: var(--gam-card);
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--gam-border);
    display: flex;
    align-items: center;
    gap: 20px;
}

.gam-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--gam-accent);
    box-shadow: 0 0 20px var(--gam-accent-glow);
    object-fit: cover;
}

.gam-profile-info {
    flex: 1;
}

.gam-profile-name {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--gam-text);
    margin-bottom: 4px;
}

.gam-profile-level {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.gam-level-badge {
    background: linear-gradient(135deg, var(--gam-accent) 0%, #a78bfa 100%);
    color: #fff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.gam-xp-total {
    color: var(--gam-text-muted);
    font-size: 0.85rem;
}

/* XP Progress Bar */
.gam-xp-bar-container {
    width: 100%;
}

.gam-xp-bar-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--gam-text-muted);
    margin-bottom: 6px;
}

.gam-xp-bar {
    height: 8px;
    background: rgba(139, 92, 246, 0.15);
    border-radius: 4px;
    overflow: hidden;
}

.gam-xp-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--gam-accent) 0%, #a78bfa 100%);
    border-radius: 4px;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.gam-xp-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.3) 50%, transparent 100%);
    animation: xpShine 2s ease-in-out infinite;
}

@keyframes xpShine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* === ACHIEVEMENTS GRID === */
.gam-achievements {
    background: var(--gam-card);
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--gam-border);
}

.gam-section-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gam-text);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.gam-achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
}

.gam-achievement {
    background: var(--gam-bg);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    border: 1px solid transparent;
    transition: all 0.3s ease;
    cursor: pointer;
}

.gam-achievement:hover {
    transform: translateY(-2px);
    border-color: var(--gam-border);
}

.gam-achievement.unlocked {
    border-color: var(--gam-accent);
    box-shadow: 0 4px 20px var(--gam-accent-glow);
}

.gam-achievement.locked {
    opacity: 0.5;
    filter: grayscale(1);
}

.gam-achievement-icon {
    font-size: 2rem;
    margin-bottom: 8px;
}

.gam-achievement-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gam-text);
    margin-bottom: 4px;
}

.gam-achievement-desc {
    font-size: 0.7rem;
    color: var(--gam-text-muted);
    line-height: 1.3;
}

.gam-achievement-date {
    font-size: 0.65rem;
    color: var(--gam-accent);
    margin-top: 8px;
}

/* === STREAK CALENDAR === */
.gam-streak {
    background: var(--gam-card);
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--gam-border);
}

.gam-streak-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.gam-streak-count {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gam-accent);
}

.gam-streak-count span {
    font-size: 0.85rem;
    color: var(--gam-text-muted);
    font-weight: 400;
}

.gam-calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 6px;
}

.gam-calendar-day {
    aspect-ratio: 1;
    border-radius: 6px;
    background: var(--gam-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--gam-text-muted);
    transition: all 0.2s ease;
}

.gam-calendar-day.active {
    background: var(--gam-accent);
    color: #fff;
    font-weight: 600;
}

.gam-calendar-day.today {
    border: 2px solid var(--gam-accent);
    box-shadow: 0 0 10px var(--gam-accent-glow);
}

.gam-calendar-day.future {
    opacity: 0.3;
}

/* === LEADERBOARD === */
.gam-leaderboard {
    background: var(--gam-card);
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--gam-border);
}

.gam-leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.gam-leaderboard-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--gam-bg);
    border-radius: 10px;
    transition: all 0.2s ease;
}

.gam-leaderboard-item:hover {
    background: var(--gam-card-hover);
}

.gam-leaderboard-item.current-user {
    border: 1px solid var(--gam-accent);
    background: var(--gam-accent-muted);
}

.gam-rank {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}

.gam-rank.gold { background: var(--gam-gold); color: #000; }
.gam-rank.silver { background: var(--gam-silver); color: #000; }
.gam-rank.bronze { background: var(--gam-bronze); color: #fff; }
.gam-rank.default { background: var(--gam-bg); color: var(--gam-text-muted); }

.gam-lb-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
}

.gam-lb-info {
    flex: 1;
}

.gam-lb-name {
    font-weight: 600;
    color: var(--gam-text);
    font-size: 0.9rem;
}

.gam-lb-level {
    font-size: 0.75rem;
    color: var(--gam-text-muted);
}

.gam-lb-xp {
    font-weight: 600;
    color: var(--gam-accent);
    font-size: 0.9rem;
}

/* === XP GAIN ANIMATION === */
.gam-xp-gain {
    position: fixed;
    pointer-events: none;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--gam-accent);
    text-shadow: 0 0 10px var(--gam-accent-glow);
    animation: xpGainFloat 1.5s ease-out forwards;
    z-index: 9999;
}

@keyframes xpGainFloat {
    0% { opacity: 1; transform: translateY(0) scale(1); }
    100% { opacity: 0; transform: translateY(-60px) scale(1.2); }
}

/* === LOADING STATE === */
.gam-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--gam-text-muted);
}

.gam-loading::after {
    content: '';
    width: 24px;
    height: 24px;
    border: 2px solid var(--gam-accent-muted);
    border-top-color: var(--gam-accent);
    border-radius: 50%;
    margin-left: 12px;
    animation: spin 0.8s linear infinite;
}

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