/**
 * TSI Gamification Styles
 * Phase 5: Gamification & Progression
 *
 * Styles for:
 * - XP progress bars
 * - Level badges
 * - Achievement displays
 * - Toast notifications
 * - Streak indicators
 * - Daily challenges
 *
 * Version: 1.0.0
 * Date: 2025-12-09
 */

/* ===========================================
   CSS VARIABLES
   =========================================== */
:root {
    /* Level colors */
    --level-1-color: #8B4513;
    --level-2-color: #228B22;
    --level-3-color: #4169E1;
    --level-4-color: #9932CC;
    --level-5-color: #FF4500;
    --level-6-color: #00CED1;
    --level-7-color: #FFD700;
    --level-8-color: #FF6600;
    --level-9-color: #FF0000;
    --level-10-color: #000000;

    /* Gamification colors */
    --xp-color: #FFD700;
    --achievement-color: #9932CC;
    --streak-color: #FF4500;
    --challenge-color: #00CED1;

    /* Toast colors */
    --toast-bg: rgba(26, 26, 46, 0.95);
    --toast-border: rgba(255, 102, 0, 0.3);
    --toast-success: #00FF00;
    --toast-warning: #FFD700;
    --toast-error: #FF4444;

    /* Animation durations */
    --toast-enter-duration: 300ms;
    --toast-exit-duration: 300ms;
    --progress-animation: 500ms;
}

/* ===========================================
   LEVEL PROGRESS BAR
   =========================================== */
.level-progress-container {
    width: 100%;
    padding: 10px 0;
}

.level-progress-container.level-progress-small {
    padding: 5px 0;
}

.level-progress-container.level-progress-large {
    padding: 15px 0;
}

.level-progress-label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.level-icon {
    font-size: 1.5em;
}

.level-progress-small .level-icon {
    font-size: 1.2em;
}

.level-progress-large .level-icon {
    font-size: 2em;
}

.level-name {
    font-weight: 600;
    color: #FFFFFF;
    font-size: 1rem;
}

.level-progress-bar-wrapper {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    overflow: hidden;
    padding: 3px;
}

.level-progress-bar {
    height: 20px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.level-progress-small .level-progress-bar {
    height: 12px;
}

.level-progress-large .level-progress-bar {
    height: 28px;
}

.level-progress-fill {
    height: 100%;
    width: var(--progress, 0%);
    background: linear-gradient(90deg, var(--bar-color, #FF6600), lighten(var(--bar-color, #FF6600), 20%));
    background: var(--bar-color, #FF6600);
    border-radius: 8px;
    position: relative;
    transition: width var(--progress-animation) ease-out;
}

.level-progress-fill.animated::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: shimmer 2s infinite;
}

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

.level-progress-text {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 8px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.xp-current {
    font-weight: 600;
    color: var(--xp-color);
}

.xp-next {
    color: rgba(255, 255, 255, 0.6);
}

.xp-remaining {
    font-size: 0.8em;
    color: rgba(255, 255, 255, 0.5);
}

.xp-max {
    color: var(--xp-color);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===========================================
   LEVEL BADGE
   =========================================== */
.level-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--badge-bg, #333);
    border: 2px solid var(--badge-color, #FF6600);
    border-radius: 20px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.level-badge.clickable {
    cursor: pointer;
}

.level-badge.clickable:hover {
    transform: scale(1.05);
    box-shadow: 0 0 15px var(--badge-color, #FF6600);
}

.level-badge-small {
    padding: 4px 8px;
    font-size: 0.85rem;
}

.level-badge-large {
    padding: 10px 20px;
    font-size: 1.2rem;
}

.badge-icon {
    font-size: 1.2em;
}

.badge-level {
    color: var(--badge-color, #FF6600);
}

.badge-name {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9em;
}

/* ===========================================
   XP GAIN NOTIFICATION
   =========================================== */
.xp-gain-notification {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 20px;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.2), rgba(255, 102, 0, 0.2));
    border: 2px solid var(--xp-color);
    border-radius: 10px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 10000;
}

.xp-gain-notification.show {
    opacity: 1;
    transform: translateY(0);
}

.xp-gain-notification.hide {
    opacity: 0;
    transform: translateY(-20px);
}

.xp-amount {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--xp-color);
    text-shadow: 0 0 10px var(--xp-color);
}

.xp-source {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ===========================================
   LEVEL UP CELEBRATION
   =========================================== */
.level-up-celebration {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.level-up-celebration.show {
    opacity: 1;
    pointer-events: auto;
}

.level-up-celebration.dismissing {
    opacity: 0;
}

.level-up-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
}

.level-up-content {
    position: relative;
    text-align: center;
    padding: 40px 60px;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    border: 3px solid var(--xp-color);
    border-radius: 20px;
    box-shadow: 0 0 50px rgba(255, 215, 0, 0.5);
    animation: levelUpPop 0.5s ease-out;
}

@keyframes levelUpPop {
    0% { transform: scale(0.5); opacity: 0; }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

.level-up-icon {
    font-size: 5rem;
    animation: bounce 0.6s ease infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.level-up-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--xp-color);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin: 20px 0 10px;
    text-shadow: 0 0 20px var(--xp-color);
}

.level-up-level {
    font-size: 1.8rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 5px;
}

.level-up-name {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 25px;
}

.level-up-dismiss {
    padding: 12px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    color: #000000;
    background: var(--xp-color);
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.level-up-dismiss:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px var(--xp-color);
}

/* ===========================================
   STREAK DISPLAY
   =========================================== */
.streak-display {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 102, 0, 0.3);
    border-radius: 15px;
    transition: all 0.3s;
}

.streak-display.active {
    border-color: var(--streak-color);
    box-shadow: 0 0 15px rgba(255, 69, 0, 0.3);
}

.streak-display.at-risk {
    border-color: var(--toast-warning);
    animation: pulse-warning 1s ease-in-out infinite;
}

@keyframes pulse-warning {
    0%, 100% { box-shadow: 0 0 5px rgba(255, 215, 0, 0.3); }
    50% { box-shadow: 0 0 20px rgba(255, 215, 0, 0.6); }
}

.streak-badge {
    font-size: 2.5rem;
}

.streak-info {
    flex: 1;
}

.streak-count {
    display: flex;
    align-items: baseline;
    gap: 5px;
}

.streak-number {
    font-size: 2rem;
    font-weight: 900;
    color: var(--streak-color);
}

.streak-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

.streak-status {
    margin-top: 5px;
    font-size: 0.9rem;
}

.streak-active {
    color: #00FF00;
}

.streak-inactive {
    color: rgba(255, 255, 255, 0.5);
}

.streak-warning {
    color: var(--toast-warning);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.streak-best {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.best-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
}

.best-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #FFFFFF;
}

/* ===========================================
   CHALLENGE CARDS
   =========================================== */
.challenge-card {
    padding: 20px;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(0, 206, 209, 0.3);
    border-radius: 15px;
    transition: all 0.3s;
}

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

.challenge-card.completed {
    border-color: #00FF00;
    background: rgba(0, 255, 0, 0.1);
}

.challenge-card.claimed {
    opacity: 0.7;
}

.challenge-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.challenge-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: #FFFFFF;
    margin: 0;
}

.challenge-xp {
    font-weight: 700;
    color: var(--xp-color);
}

.challenge-description {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 0 0 15px;
}

.challenge-progress {
    display: flex;
    align-items: center;
    gap: 10px;
}

.challenge-progress-bar {
    flex: 1;
    height: 8px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 4px;
    overflow: hidden;
}

.challenge-progress-fill {
    height: 100%;
    background: var(--challenge-color);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.challenge-progress-text {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
    min-width: 50px;
    text-align: right;
}

.challenge-claim-btn {
    width: 100%;
    margin-top: 15px;
    padding: 12px;
    font-size: 1rem;
    font-weight: 600;
    color: #000000;
    background: #00FF00;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.challenge-claim-btn:hover {
    background: #00CC00;
    transform: scale(1.02);
}

.challenge-claimed-badge {
    text-align: center;
    margin-top: 15px;
    padding: 10px;
    color: #00FF00;
    font-weight: 600;
    background: rgba(0, 255, 0, 0.1);
    border-radius: 8px;
}

/* ===========================================
   ACHIEVEMENT BADGES
   =========================================== */
.achievement-badge {
    display: flex;
    gap: 15px;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(153, 50, 204, 0.3);
    border-radius: 12px;
    transition: all 0.3s;
}

.achievement-badge.unlocked {
    border-color: var(--achievement-color);
    background: rgba(153, 50, 204, 0.1);
}

.achievement-badge.locked {
    opacity: 0.6;
    filter: grayscale(0.5);
}

.achievement-icon {
    font-size: 2.5rem;
    min-width: 50px;
    text-align: center;
}

.achievement-info {
    flex: 1;
}

.achievement-name {
    font-size: 1rem;
    font-weight: 600;
    color: #FFFFFF;
    margin: 0 0 5px;
}

.achievement-desc {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

.achievement-progress {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
}

.achievement-progress-bar {
    flex: 1;
    height: 6px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 3px;
    overflow: hidden;
}

.achievement-progress-fill {
    height: 100%;
    background: var(--achievement-color);
    border-radius: 3px;
}

/* ===========================================
   MINI STATS WIDGET
   =========================================== */
.mini-stats-widget {
    display: flex;
    gap: 15px;
    padding: 10px 15px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
}

.mini-stat {
    display: flex;
    align-items: center;
    gap: 5px;
}

.mini-stat-icon {
    font-size: 1.2rem;
}

.mini-stat-value {
    font-weight: 600;
    color: #FFFFFF;
}

/* ===========================================
   TOAST NOTIFICATIONS
   =========================================== */
.toast-container {
    position: fixed;
    z-index: 100000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 20px;
    pointer-events: none;
}

.toast-top-right {
    top: 0;
    right: 0;
}

.toast-top-left {
    top: 0;
    left: 0;
}

.toast-bottom-right {
    bottom: 0;
    right: 0;
    flex-direction: column-reverse;
}

.toast-bottom-left {
    bottom: 0;
    left: 0;
    flex-direction: column-reverse;
}

.toast-top-center {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    align-items: center;
}

.tsi-toast {
    display: flex;
    align-items: stretch;
    min-width: 300px;
    max-width: 400px;
    background: var(--toast-bg);
    border: 1px solid var(--toast-border);
    border-radius: 12px;
    overflow: hidden;
    pointer-events: auto;
    opacity: 0;
    transform: translateX(100%);
    transition: all var(--toast-enter-duration) ease;
}

.toast-top-left .tsi-toast,
.toast-bottom-left .tsi-toast {
    transform: translateX(-100%);
}

.toast-top-center .tsi-toast {
    transform: translateY(-100%);
}

.tsi-toast.toast-enter {
    opacity: 1;
    transform: translateX(0) translateY(0);
}

.tsi-toast.toast-exit {
    opacity: 0;
    transform: translateX(100%);
}

.toast-top-left .tsi-toast.toast-exit,
.toast-bottom-left .tsi-toast.toast-exit {
    transform: translateX(-100%);
}

/* Toast types */
.tsi-toast-achievement {
    border-color: var(--achievement-color);
}

.tsi-toast-level-up {
    border-color: var(--xp-color);
    border-width: 2px;
}

.tsi-toast-xp {
    border-color: var(--xp-color);
}

.tsi-toast-milestone {
    border-color: var(--streak-color);
}

.tsi-toast-challenge {
    border-color: var(--challenge-color);
}

.tsi-toast-warning {
    border-color: var(--toast-warning);
}

.tsi-toast-special {
    animation: glow-pulse 2s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { box-shadow: 0 0 10px rgba(255, 215, 0, 0.3); }
    50% { box-shadow: 0 0 25px rgba(255, 215, 0, 0.6); }
}

.toast-icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
}

.toast-icon {
    font-size: 2rem;
}

.toast-content {
    flex: 1;
    padding: 12px 15px;
}

.toast-title {
    font-size: 1rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 3px;
}

.toast-message {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
}

.toast-subtitle {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 3px;
}

.toast-xp {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--xp-color);
    margin-top: 5px;
}

.toast-action {
    padding: 0 15px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #000000;
    background: #00FF00;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}

.toast-action:hover {
    background: #00CC00;
}

.toast-close {
    position: absolute;
    top: 5px;
    right: 8px;
    width: 24px;
    height: 24px;
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.5);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: color 0.2s;
}

.toast-close:hover {
    color: #FFFFFF;
}

.tsi-toast {
    position: relative;
}

.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: rgba(0, 0, 0, 0.3);
}

.toast-progress-bar {
    height: 100%;
    background: var(--xp-color);
    animation: progress-shrink linear forwards;
}

@keyframes progress-shrink {
    from { width: 100%; }
    to { width: 0%; }
}

/* ===========================================
   LEVEL DETAILS MODAL
   =========================================== */
.level-details-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100001;
    opacity: 0;
    transition: opacity 0.3s;
}

.level-details-modal.show {
    opacity: 1;
}

.level-details-modal.closing {
    opacity: 0;
}

.level-details-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
}

.level-details-content {
    position: relative;
    padding: 30px 40px;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    border: 2px solid var(--xp-color);
    border-radius: 15px;
    text-align: center;
    max-width: 400px;
}

.level-details-close {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.5);
    background: transparent;
    border: none;
    cursor: pointer;
}

.level-details-close:hover {
    color: #FFFFFF;
}

.level-details-icon {
    font-size: 4rem;
    margin-bottom: 15px;
}

.level-details-content h3 {
    font-size: 1.5rem;
    color: #FFFFFF;
    margin: 0 0 10px;
}

.level-details-xp {
    color: var(--xp-color);
    font-weight: 600;
    margin-bottom: 20px;
}

.level-details-perks h4 {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    margin: 0 0 10px;
}

.level-details-perks ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.level-details-perks li {
    padding: 8px 0;
    color: rgba(255, 255, 255, 0.7);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.level-details-perks li::before {
    content: '✓ ';
    color: #00FF00;
}

/* ===========================================
   RESPONSIVE ADJUSTMENTS
   =========================================== */
@media (max-width: 480px) {
    .toast-container {
        padding: 10px;
    }

    .tsi-toast {
        min-width: unset;
        max-width: calc(100vw - 20px);
    }

    .toast-icon-wrapper {
        padding: 10px;
    }

    .toast-icon {
        font-size: 1.5rem;
    }

    .level-up-content {
        padding: 30px 40px;
        margin: 0 20px;
    }

    .level-up-icon {
        font-size: 3.5rem;
    }

    .level-up-title {
        font-size: 2rem;
    }

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

    .streak-best {
        width: 100%;
        flex-direction: row;
        justify-content: center;
        gap: 10px;
    }
}