/**
 * Nature Guardians (שומרי הטבע) - Main Design & CSS Rules
 * Vibrant, modern, responsive design geared towards children with premium glassmorphism, 
 * micro-animations, and full RTL layout alignments.
 */

:root {
    /* Playful Color Palette */
    --color-primary: #10b981;      /* Emerald Green */
    --color-primary-dark: #047857; /* Dark Emerald */
    --color-primary-light: #d1fae5;
    --color-secondary: #fbbf24;    /* Sunshine Yellow */
    --color-accent: #f43f5e;       /* Ruby Pink/Red */
    --color-sky: #38bdf8;          /* Ocean Sky Blue */
    --color-orange: #f97316;       /* Sunset Orange */
    
    --color-bg-grad: linear-gradient(135deg, #ecfdf5 0%, #e0f2fe 100%);
    --color-card-bg: rgba(255, 255, 255, 0.88);
    --color-text-dark: #1f2937;
    --color-text-light: #4b5563;
    
    --font-kids: 'Varela Round', 'Rubik', sans-serif;
    --shadow-premium: 0 20px 40px -15px rgba(16, 185, 129, 0.15), 0 15px 25px -10px rgba(0, 0, 0, 0.05);
    --shadow-active: 0 25px 50px -12px rgba(16, 185, 129, 0.25);
    
    --transition-bounce: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --transition-smooth: all 0.25s ease;
}

/* Base Resets */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
    -webkit-user-drag: none;
    -webkit-tap-highlight-color: transparent;
}

body, html {
    width: 100%;
    height: 100%;
    font-family: var(--font-kids);
    background: #0d1e17;
    overflow: hidden;
    color: var(--color-text-dark);
}

/* Fullscreen Viewport Grid */
#game-viewport {
    position: relative;
    width: 100%;
    height: 100%;
    max-width: 1024px;
    max-height: 768px;
    margin: 0 auto;
    background: var(--color-bg-grad);
    overflow: hidden;
    box-shadow: 0 0 100px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
}

/* Landscape orientation ratio adjustments on large desktops */
@media (min-width: 1024px) and (min-height: 768px) {
    #game-viewport {
        border-radius: 32px;
        height: 95vh;
        top: 2.5vh;
        border: 8px solid rgba(255, 255, 255, 0.4);
    }
}

/* Floating Confetti Particle Canvas overlay */
#particle-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 999;
}

/* --- Global HUD Overlay --- */
#global-hud {
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    pointer-events: none;
    z-index: 100;
}

.hud-btn {
    pointer-events: auto;
    background: var(--color-card-bg);
    border: 3px solid #ffffff;
    width: 50px;
    height: 50px;
    border-radius: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 8px 16px rgba(0,0,0,0.06);
    transition: var(--transition-bounce);
}

.hud-btn:hover {
    transform: scale(1.1) rotate(5deg);
}

.hud-btn:active {
    transform: scale(0.9);
}

.hud-svg {
    width: 24px;
    height: 24px;
    fill: var(--color-primary-dark);
}

.hidden {
    display: none !important;
}

#hud-stats {
    display: flex;
    gap: 15px;
    pointer-events: auto;
}

.hud-stat-item {
    background: rgba(255, 255, 255, 0.9);
    padding: 8px 16px;
    border-radius: 20px;
    border: 3px solid #ffffff;
    box-shadow: 0 8px 16px rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.95rem;
    font-weight: 700;
}

.hud-stat-label {
    color: var(--color-text-light);
}

.hud-stat-val {
    color: var(--color-primary-dark);
    font-size: 1.1rem;
}

/* --- Screens Architecture --- */
.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    pointer-events: none;
    transform: scale(1.05);
    transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.1);
    z-index: 5;
    overflow-y: auto;
    padding: 80px 24px 24px 24px;
}

.screen.active {
    opacity: 1;
    pointer-events: auto;
    transform: scale(1);
    z-index: 10;
}

.screen-content {
    width: 100%;
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

.center-flow {
    justify-content: center;
    align-items: center;
    text-align: center;
}

.flex-layout {
    justify-content: space-between;
}

/* Typography styles */
h1.game-title {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--color-primary-dark);
    text-shadow: 0 4px 0 #ffffff, 0 8px 0 rgba(16, 185, 129, 0.15);
    margin-bottom: 8px;
    letter-spacing: -1px;
}

.game-subtitle {
    font-size: 1.3rem;
    color: var(--color-text-light);
    margin-bottom: 40px;
    font-weight: 500;
    max-width: 500px;
}

/* --- Buttons System --- */
.action-btn {
    font-family: var(--font-kids);
    border: none;
    outline: none;
    padding: 16px 36px;
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: 50px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition-bounce);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
}

.primary-btn {
    background: var(--color-secondary);
    color: #4b3601;
    border: 4px solid #ffffff;
    box-shadow: 0 12px 24px rgba(251, 191, 36, 0.3), inset 0 -4px 0 rgba(0,0,0,0.15);
}

.primary-btn:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 16px 32px rgba(251, 191, 36, 0.4), inset 0 -4px 0 rgba(0,0,0,0.15);
}

.primary-btn:active {
    transform: translateY(2px) scale(0.98);
}

.secondary-btn {
    background: #ffffff;
    color: var(--color-text-dark);
    border: 4px solid var(--color-primary);
    box-shadow: 0 8px 16px rgba(16, 185, 129, 0.1);
}

.secondary-btn:hover {
    transform: translateY(-2px);
    background: var(--color-primary-light);
}

.action-btn.disabled, .briefing-nav-btn:disabled {
    opacity: 0.5 !important;
    cursor: not-allowed !important;
    transform: none !important;
    box-shadow: none !important;
}

.btn-arrow {
    width: 20px;
    height: 20px;
    fill: currentColor;
    transform: scaleX(-1); /* Flips arrow to point left for RTL progression */
    transition: transform 0.3s ease;
}

.btn-arrow-rtl {
    width: 20px;
    height: 20px;
    fill: currentColor;
    transition: transform 0.3s ease;
}

.action-btn:hover .btn-arrow {
    transform: scaleX(-1) translateX(4px);
}

.briefing-nav-btn:hover .btn-arrow-rtl {
    transform: translateX(4px);
}

/* Animations */
@keyframes pulseGlow {
    0% { box-shadow: 0 12px 24px rgba(251, 191, 36, 0.3); }
    50% { box-shadow: 0 12px 35px rgba(251, 191, 36, 0.6); }
    100% { box-shadow: 0 12px 24px rgba(251, 191, 36, 0.3); }
}

.pulse-glow {
    animation: pulseGlow 2s infinite ease-in-out;
}

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

.animate-bounce-slow {
    animation: bounceSlow 4s infinite ease-in-out;
}

/* --- 1. Start Screen Elements --- */
.start-bg-decor {
    position: absolute;
    bottom: -5%;
    left: -5%;
    right: -5%;
    height: 40%;
    background: radial-gradient(circle, rgba(52,211,153,0.15) 0%, rgba(255,255,255,0) 70%);
    z-index: 1;
    pointer-events: none;
}

.logo-container {
    margin-bottom: 25px;
    position: relative;
    z-index: 2;
}

.name-input-container {
    background: var(--color-card-bg);
    border: 3px solid #ffffff;
    border-radius: 24px;
    padding: 24px;
    max-width: 440px;
    width: 100%;
    margin-bottom: 35px;
    box-shadow: var(--shadow-premium);
    position: relative;
    z-index: 2;
    text-align: right;
}

.name-label {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 12px;
}

#player-name-field {
    width: 100%;
    padding: 14px 20px;
    font-size: 1.2rem;
    font-family: var(--font-kids);
    font-weight: 600;
    border: 3px solid #e2e8f0;
    border-radius: 16px;
    outline: none;
    text-align: center;
    background: #f8fafc;
    color: var(--color-text-dark);
    transition: var(--transition-smooth);
}

#player-name-field:focus {
    border-color: var(--color-primary);
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.15);
}

.animals-illustration-bar {
    margin-top: 50px;
    display: flex;
    gap: 25px;
    font-size: 2.8rem;
    z-index: 2;
}

.deco-animal {
    display: inline-block;
    animation: bounceSlow 3s infinite ease-in-out;
}

.deco-animal:nth-child(2) { animation-delay: 0.5s; }
.deco-animal:nth-child(3) { animation-delay: 1s; }
.deco-animal:nth-child(4) { animation-delay: 1.5s; }

/* --- 2. Briefing / Slideshow Screen --- */
.briefing-header {
    text-align: center;
    margin-bottom: 20px;
}

.briefing-header h2, .stage-header h2 {
    font-size: 1.8rem;
    color: var(--color-primary-dark);
    font-weight: 900;
    margin-bottom: 6px;
}

.subtitle {
    font-size: 1rem;
    color: var(--color-text-light);
}

.briefing-slides-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px 0;
}

.briefing-slide-card {
    background: var(--color-card-bg);
    border: 4px solid #ffffff;
    border-radius: 28px;
    padding: 30px;
    max-width: 680px;
    width: 100%;
    box-shadow: var(--shadow-premium);
    display: flex;
    gap: 30px;
    align-items: center;
    min-height: 320px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.briefing-slide-card.active-slide {
    opacity: 1;
    transform: translateY(0);
}

.slide-graphic-box {
    flex: 0 0 200px;
    height: 200px;
    background: #e0f2fe;
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 5.5rem;
    box-shadow: inset 0 4px 10px rgba(0,0,0,0.05);
}

.slide-content-box {
    flex: 1;
    text-align: right;
}

.slide-tag {
    display: inline-block;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.slide-title {
    font-size: 1.5rem;
    color: var(--color-text-dark);
    margin-bottom: 12px;
    font-weight: 800;
}

.slide-text {
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--color-text-light);
}

.highlight-keyword {
    color: var(--color-accent);
    font-weight: 800;
}

.highlight-blue {
    color: var(--color-sky);
    font-weight: 800;
}

.briefing-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 24px;
}

.briefing-nav-btn {
    padding: 12px 28px;
    font-size: 1.1rem;
}

.slideshow-dots {
    display: flex;
    gap: 8px;
}

.slide-dot {
    width: 12px;
    height: 12px;
    border-radius: 10px;
    background: #cbd5e1;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.slide-dot.active {
    width: 24px;
    background: var(--color-primary);
}

/* --- 3. Stage 1 Elements (True / False sorting) --- */
.stage-badge {
    background: var(--color-sky);
    color: #ffffff;
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 8px;
}

.game-hud-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 20px;
    padding: 12px 20px;
    margin-top: 15px;
    gap: 20px;
}

.progress-container {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 15px;
}

.progress-bar-track {
    flex: 1;
    height: 14px;
    background: #cbd5e1;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.progress-bar-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: 10px;
    transition: width 0.4s ease;
}

.progress-text {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-text-light);
    white-space: nowrap;
}

.timer-display {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--color-card-bg);
    border: 3px solid #ffffff;
    padding: 6px 16px;
    border-radius: 50px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.04);
}

.timer-icon {
    font-size: 1.2rem;
}

#g1-timer-val {
    font-size: 1.15rem;
    font-weight: 900;
    color: var(--color-accent);
}

/* Play Board Area & swipe cards */
.board-area {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 25px 0;
    min-height: 240px;
}

.swipe-card {
    position: absolute;
    width: 100%;
    max-width: 320px;
    height: 200px;
    background: var(--color-card-bg);
    border: 4px solid #ffffff;
    border-radius: 24px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 24px;
    cursor: grab;
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
    transform-origin: center bottom;
    z-index: 10;
}

.swipe-card.dragging {
    cursor: grabbing;
    box-shadow: 0 25px 45px rgba(0, 0, 0, 0.15);
    border-color: var(--color-primary-light);
}

.card-text {
    font-size: 1.25rem;
    font-weight: 700;
    text-align: center;
    line-height: 1.5;
    color: var(--color-text-dark);
}

/* Swipe targets/bins */
.sorting-bins-container {
    display: flex;
    gap: 20px;
    margin-top: 10px;
}

.sort-bin {
    flex: 1;
    height: 90px;
    border-radius: 24px;
    background: var(--color-card-bg);
    border: 4px dashed #cbd5e1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-bounce);
}

.sort-bin:hover {
    transform: translateY(-2px);
}

.bin-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    z-index: 2;
}

.bin-icon {
    font-size: 1.8rem;
}

.bin-title {
    font-size: 0.95rem;
    font-weight: 800;
}

.bin-red {
    border-color: #f87171;
    color: #991b1b;
}

.bin-red:hover {
    background: #fef2f2;
}

.bin-red.drag-over {
    background: #fca5a5;
    border-color: var(--color-accent);
    transform: scale(1.04);
}

.bin-green {
    border-color: #34d399;
    color: #065f46;
}

.bin-green:hover {
    background: #ecfdf5;
}

.bin-green.drag-over {
    background: #a7f3d0;
    border-color: var(--color-primary-dark);
    transform: scale(1.04);
}

.bin-ripple {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    z-index: 1;
}

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

.bin-pop {
    animation: binPop 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* --- 4. Stage 2 Puzzle Matching System --- */
.puzzle-game-board {
    flex: 1;
    display: flex;
    gap: 30px;
    margin: 25px 0 10px 0;
}

.puzzle-column {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.column-title {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--color-text-light);
    margin-bottom: 12px;
    text-align: right;
    padding-right: 8px;
}

.puzzle-items-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
    justify-content: space-around;
}

.puzzle-card {
    background: var(--color-card-bg);
    border: 3px solid #ffffff;
    border-radius: 20px;
    padding: 16px 20px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.04);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 70px;
    font-weight: 700;
    font-size: 0.95rem;
    line-height: 1.4;
    transition: var(--transition-bounce);
}

.puzzle-draggable {
    cursor: grab;
    background: #fef08a; /* Soft Yellow */
    border-color: #fef7c3;
    color: #713f12;
    border-left: 8px solid var(--color-secondary); /* Causes indicator */
    position: relative;
    touch-action: none;
}

.puzzle-draggable.dragging {
    opacity: 0.5;
    cursor: grabbing;
}

.puzzle-draggable:hover {
    transform: translateX(-4px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
}

.puzzle-card-icon {
    font-size: 1.4rem;
}

.puzzle-target {
    border: 3px dashed #cbd5e1;
    background: rgba(255, 255, 255, 0.4);
    border-right: 8px solid var(--color-primary); /* Target indicator */
    color: var(--color-text-light);
    display: flex;
    justify-content: flex-start;
    padding-right: 20px;
    align-items: center;
    position: relative;
    transition: var(--transition-smooth);
}

.puzzle-target.drag-hover {
    background: rgba(16, 185, 129, 0.15);
    border-color: var(--color-primary);
}

.puzzle-target.matched {
    background: #d1fae5;
    border: 3px solid #ffffff;
    border-right: 8px solid var(--color-primary);
    color: var(--color-primary-dark);
    box-shadow: 0 8px 16px rgba(16, 185, 129, 0.05);
}

.puzzle-target.matched .puzzle-card-icon {
    color: var(--color-primary);
}

/* Margin offset utility */
.margin-top {
    margin-top: 15px;
}

/* --- 5. Stage 3 Active Rescue Grid --- */
.eco-health-badge {
    background: var(--color-primary);
}

.ecosystem-health-container {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
}

.health-label {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text-light);
    white-space: nowrap;
}

.health-bar-track {
    flex: 1;
    height: 16px;
    background: #e2e8f0;
    border-radius: 10px;
    border: 2px solid #ffffff;
    overflow: hidden;
}

.health-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #10b981 0%, #34d399 100%);
    width: 100%;
    border-radius: 10px;
    transition: width 0.3s ease;
}

.health-percentage {
    font-size: 0.95rem;
    font-weight: 900;
    color: var(--color-primary-dark);
    width: 45px;
    text-align: left;
}

.level-stats {
    display: flex;
    gap: 10px;
}

.stat-bubble {
    background: var(--color-card-bg);
    border: 2px solid #ffffff;
    border-radius: 15px;
    padding: 6px 12px;
    display: flex;
    gap: 6px;
    align-items: center;
    font-size: 0.85rem;
    box-shadow: 0 4px 8px rgba(0,0,0,0.03);
    white-space: nowrap;
}

.stat-bubble strong {
    color: var(--color-primary-dark);
    font-size: 1rem;
}

/* Landscape grid */
.battleground-viewport {
    flex: 1;
    position: relative;
    border-radius: 28px;
    border: 4px solid #ffffff;
    box-shadow: var(--shadow-premium);
    overflow: hidden;
    margin-top: 15px;
    background: #022c22;
}

.forest-bg-illustration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, #065f46 0%, #022c22 100%);
    opacity: 0.9;
}

/* Active Game sprites */
.game-sprite {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2.2rem;
    cursor: pointer;
    transition: transform 0.2s ease;
    animation: spriteSpawn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.game-sprite:active {
    transform: scale(0.8);
}

@keyframes spriteSpawn {
    0% { transform: scale(0); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

/* Threat visual markers */
.sprite-threat {
    z-index: 25;
}

.threat-poison {
    background: rgba(244, 63, 94, 0.15);
    border: 3px solid var(--color-accent);
    box-shadow: 0 0 15px rgba(244, 63, 94, 0.4);
    animation: poisonPulse 1s infinite alternate;
}

@keyframes poisonPulse {
    0% { box-shadow: 0 0 10px rgba(244, 63, 94, 0.3); }
    100% { box-shadow: 0 0 20px rgba(244, 63, 94, 0.7); }
}

.threat-trap {
    background: rgba(249, 115, 22, 0.15);
    border: 3px solid var(--color-orange);
    box-shadow: 0 0 15px rgba(249, 115, 22, 0.4);
}

.threat-car {
    background: rgba(244, 63, 94, 0.2);
    border: 3px solid #ef4444;
    border-radius: 12px;
    width: 70px;
    height: 45px;
}

.threat-trash {
    background: rgba(100, 116, 139, 0.15);
    border: 3px solid #64748b;
}

/* Friendly wild animals and good elements */
.sprite-animal, .sprite-good {
    z-index: 20;
    background: rgba(52, 211, 153, 0.15);
    border: 3px solid #6ee7b7;
    box-shadow: 0 8px 16px rgba(52, 211, 153, 0.15);
}

/* --- 6. Stage 4: Interactive Quiz Screen --- */
.quiz-progress-bar {
    display: flex;
    align-items: center;
    gap: 15px;
    margin: 15px 0 25px 0;
}

.quiz-card-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.quiz-question-card {
    background: var(--color-card-bg);
    border: 4px solid #ffffff;
    border-radius: 28px;
    padding: 30px;
    max-width: 620px;
    width: 100%;
    box-shadow: var(--shadow-premium);
    text-align: center;
}

.quiz-question {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--color-text-dark);
    margin-bottom: 24px;
    line-height: 1.4;
}

.quiz-options-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

@media (min-width: 600px) {
    .quiz-options-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.quiz-opt-btn {
    font-family: var(--font-kids);
    border: 3px solid #e2e8f0;
    background: #ffffff;
    padding: 16px 20px;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 20px;
    cursor: pointer;
    text-align: right;
    transition: var(--transition-bounce);
    outline: none;
    color: var(--color-text-dark);
    box-shadow: 0 4px 8px rgba(0,0,0,0.02);
}

.quiz-opt-btn:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
    transform: translateY(-2px);
}

.quiz-opt-btn:active {
    transform: scale(0.98);
}

/* Success & Error states on Quiz buttons */
.quiz-opt-btn.correct-glow {
    background: #34d399 !important;
    border-color: #10b981 !important;
    color: #ffffff !important;
    box-shadow: 0 0 15px rgba(52, 211, 153, 0.4);
}

.quiz-opt-btn.wrong-shake {
    background: #f87171 !important;
    border-color: #ef4444 !important;
    color: #ffffff !important;
    animation: wrongShake 0.4s ease;
    box-shadow: 0 0 15px rgba(248, 113, 113, 0.4);
}

@keyframes wrongShake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-8px); }
    40%, 80% { transform: translateX(8px); }
}

/* --- 7. Victory Screen & SVG Certificate Frame --- */
.victory-medal {
    font-size: 4.5rem;
    display: inline-block;
}

.victory-title {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--color-primary-dark);
    margin-bottom: 6px;
}

.victory-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-light);
    margin-bottom: 25px;
    text-align: center;
    max-width: 550px;
}

.certificate-frame {
    width: 100%;
    max-width: 580px;
    background: #ffffff;
    border-radius: 20px;
    padding: 10px;
    border: 1px solid #cbd5e1;
    background-image: radial-gradient(circle, #fcfaf2 0%, #f7f3e3 100%);
    box-shadow: var(--shadow-premium);
    position: relative;
    margin-bottom: 30px;
}

.certificate-border {
    border: 12px double #b45309; /* Golden-brown classic border */
    border-radius: 12px;
    padding: 15px;
    height: 100%;
}

.certificate-inner {
    text-align: center;
    padding: 10px;
}

.cert-header {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.cert-header h3 {
    font-size: 1.5rem;
    font-weight: 900;
    color: #78350f;
    letter-spacing: -0.5px;
}

.cert-leaf-deco {
    font-size: 1.4rem;
}

.cert-awarded {
    font-size: 0.95rem;
    color: #92400e;
    font-weight: 500;
    margin-bottom: 5px;
}

.cert-name {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--color-primary-dark);
    text-shadow: 1px 1px 0px #ffffff;
    margin-bottom: 12px;
    border-bottom: 2px dashed #b45309;
    display: inline-block;
    padding: 0 30px;
}

.cert-reason {
    font-size: 0.88rem;
    line-height: 1.6;
    color: #78350f;
    margin: 0 auto 20px auto;
    max-width: 440px;
    font-weight: 500;
}

.cert-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: 15px;
    padding: 0 10px;
}

.cert-sign {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: #92400e;
    width: 30%;
}

.cert-signature-line {
    width: 80px;
    height: 1.5px;
    background: #b45309;
    margin-bottom: 6px;
}

.cert-stamp {
    width: 60px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.victory-actions-bar {
    display: flex;
    gap: 15px;
}

/* Printing styles overlay override */
@media print {
    body * {
        visibility: hidden;
    }
    #printable-certificate-container, #printable-certificate-container * {
        visibility: visible;
    }
    #printable-certificate-container {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        max-width: none;
        box-shadow: none;
        border: none;
    }
}