:root {
    --primary-color: #9e292b; /* dBildungscloud Bordeaux */
    --primary-dark: #7a2022;
    --text-main: #2d3748;
    --text-muted: #718096;
    --bg-main: #f7fafc;
    --bg-card: #ffffff;
    --danger-color: #e53e3e;
    --success-color: #38a169;
    
    --box-border: #cbd5e0;
    --box-bg: #edf2f7;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden; /* Prevent scrollbars due to absolute images/flashes */
}

/* Flash Overlay */
#flash-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease-out, background-color 0.1s;
}

/* Container for Random Images */
#random-images-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 50;
}

.random-img {
    position: absolute;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.15));
    object-fit: contain;
}

.random-img.show {
    opacity: 1;
}

/* Fireworks */
#fireworks-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 1500;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2vh 4vw;
    background-color: var(--bg-card);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    z-index: 100;
}

.logo {
    font-size: 3vh;
    font-weight: bold;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 1vw;
}

.header-logo {
    height: 4vh;
    width: auto;
}

.stats-preview {
    font-size: 2vh;
    color: var(--text-muted);
    font-weight: 500;
}

/* Main Layout */
.game-container {
    flex: 1;
    display: flex;
    padding: 4vh 4vw;
    gap: 4vw;
    z-index: 100;
}

/* Left Zone */
.word-zone {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 8vh;
}

.word-display {
    display: flex;
    flex-wrap: wrap;
    gap: 1vw;
    justify-content: center;
    width: 100%;
}

.char-box {
    width: clamp(30px, 6vw, 120px);
    height: clamp(40px, 8vw, 160px);
    font-size: clamp(24px, 5vw, 100px);
    font-weight: bold;
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: 0.5vh solid var(--text-main);
    text-transform: uppercase;
    color: var(--text-main);
}

.char-box.empty {
    color: transparent;
}

.char-box.space {
    border-bottom: none;
}

.wrong-letters-container {
    width: 100%;
    text-align: center;
}

.wrong-letters-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5vw;
    justify-content: center;
    font-size: clamp(20px, 3vw, 50px);
    color: var(--danger-color);
    font-weight: bold;
    min-height: 60px;
}

/* Right Zone */
.hangman-zone {
    width: 40vw;
    max-width: 860px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: var(--bg-card);
    border-radius: 20px;
    padding: 2vh;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

#hangman-image {
    width: 100%;
    max-height: 65vh;
    object-fit: contain;
}

#mistake-counter {
    margin-top: 2vh;
    font-size: 2.5vh;
    font-weight: bold;
    color: var(--text-muted);
}

/* Overlay */
.overlay-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(5px);
    z-index: 1400;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.overlay-bg.hidden {
    opacity: 0;
    pointer-events: none;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 1;
    transition: opacity 0.3s ease;
    pointer-events: none; /* Let clicks pass through empty areas */
}

.overlay:not(.hidden) .overlay-card {
    pointer-events: auto; /* Only card catches clicks */
}

.overlay.hidden {
    opacity: 0;
}

.overlay-card {
    background-color: var(--bg-card);
    padding: 5vh 4vw;
    border-radius: 24px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    text-align: center;
    width: 90vw;
    max-width: 600px;
}

#end-title {
    font-size: 4vh;
    color: var(--text-main);
    margin-bottom: 1vh;
}

.end-word {
    font-size: 3vh;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 4vh;
    letter-spacing: 2px;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2vh 2vw;
    margin-bottom: 4vh;
}

.stat-item {
    background-color: var(--box-bg);
    padding: 1.5vh;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 1.6vh;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5vh;
}

.stat-value {
    font-size: 2.5vh;
    font-weight: bold;
    color: var(--text-main);
}

.overlay-actions {
    display: flex;
    gap: 2vw;
    justify-content: center;
}

.btn {
    padding: 1.5vh 3vw;
    font-size: 2vh;
    font-weight: bold;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: transform 0.2s, opacity 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-secondary {
    background-color: var(--bg-main);
    color: var(--text-main);
    border: 2px solid var(--box-border);
}

.btn.hidden {
    display: none;
}