/* ================================
   GAMIFICATION SYSTEM STYLES
   ================================ */

:root {
    --xp-bar-height: 10px;
    --xp-color: var(--hero-yellow);
    --xp-bg: rgba(0, 0, 0, 0.5);
    --level-up-color: var(--hero-green);
}

/* XP Bar Container */
.xp-system-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9999;
    pointer-events: none; /* Interact through it */
}

.xp-bar-bg {
    width: 100%;
    height: var(--xp-bar-height);
    background: var(--xp-bg);
    position: relative;
    overflow: hidden;
}

.xp-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--hero-orange), var(--hero-yellow));
    width: 0%;
    transition: width 0.5s ease-out;
    box-shadow: 0 0 10px var(--hero-yellow);
    position: relative;
}

.xp-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 20px;
    height: 100%;
    background: #fff;
    opacity: 0.5;
    filter: blur(5px);
    animation: glimmer 2s infinite;
}

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

.xp-badge {
    position: absolute;
    top: 15px;
    right: 20px;
    background: var(--comic-black);
    border: 3px solid var(--hero-yellow);
    color: var(--hero-yellow);
    padding: 5px 15px;
    border-radius: 20px;
    font-family: var(--font-hero);
    font-size: 1.2rem;
    pointer-events: auto;
    transform: rotate(2deg);
    box-shadow: 3px 3px 0 rgba(0,0,0,0.5);
    transition: transform 0.2s;
}

.xp-badge:hover {
    transform: scale(1.1) rotate(0deg);
}

/* Floating XP Notification */
.xp-float {
    position: fixed;
    color: var(--hero-yellow);
    font-family: var(--font-hero);
    font-size: 2rem;
    font-weight: bold;
    text-shadow: 2px 2px 0 #000;
    pointer-events: none;
    animation: floatUp 1.5s forwards;
    z-index: 10000;
}

@keyframes floatUp {
    0% { opacity: 0; transform: translateY(0) scale(0.5); }
    20% { opacity: 1; transform: translateY(-20px) scale(1.2); }
    100% { opacity: 0; transform: translateY(-100px) scale(1); }
}

/* Level Up Overlay */
.level-up-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0,0,0,0.8);
    z-index: 10001;
    display: flex;
    justify-content: center;
    align-items: center;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.5s;
}

.level-up-overlay.active {
    visibility: visible;
    opacity: 1;
}

.level-up-content {
    text-align: center;
    transform: scale(0.8);
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.level-up-overlay.active .level-up-content {
    transform: scale(1);
}

.level-title {
    font-family: var(--font-hero);
    font-size: 6rem;
    color: var(--level-up-color);
    text-shadow: 5px 5px 0 #000, 0 0 20px var(--level-up-color);
    margin-bottom: 20px;
    animation: pulseLevel 1s infinite alternate;
}

@keyframes pulseLevel {
    from { transform: scale(1); }
    to { transform: scale(1.05); }
}

.level-desc {
    color: #fff;
    font-family: var(--font-text);
    font-size: 1.5rem;
}

/* Unlock Modal */
.unlock-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    background: var(--comic-white);
    border: 5px solid var(--comic-black);
    box-shadow: 10px 10px 0 var(--comic-black);
    padding: 40px;
    z-index: 10002;
    max-width: 500px;
    width: 90%;
    text-align: center;
    transition: transform 0.4s cubic-bezier(0.6, -0.28, 0.735, 0.045);
}

.unlock-modal.open {
    transform: translate(-50%, -50%) scale(1);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.unlock-title {
    font-family: var(--font-hero);
    font-size: 2.5rem;
    color: var(--hero-red);
    margin-bottom: 20px;
}

.unlock-close {
    position: absolute;
    top: -20px;
    right: -20px;
    background: var(--hero-red);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 3px solid var(--comic-black);
    font-weight: bold;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
}

.secret-content {
    background: var(--comic-black);
    color: var(--hero-green);
    font-family: 'Courier New', monospace;
    padding: 15px;
    border-radius: 5px;
    margin-top: 20px;
    font-weight: bold;
}