/* ==========================================================================
   QC AVG GAME: GREAT PQCM ADVENTURE - STYLING
   Aesthetic: Japanese Cute Manga / Pastel Comic Style
   ========================================================================== */

/* --- Custom Fonts & Variables --- */
:root {
    --color-bg-primary: #fff5f8;
    --color-manga-border: #1e1e24;
    --color-pastel-pink: #ff7ea5;
    --color-pastel-blue: #a2d2ff;
    --color-pastel-yellow: #ffd166;
    --color-pastel-green: #06d6a0;
    --color-pastel-purple: #c8b6ff;
    --color-dark: #2b2d42;
    --color-white: #ffffff;
    --manga-shadow: 4px 4px 0px var(--color-manga-border);
    --manga-shadow-hover: 6px 6px 0px var(--color-manga-border);
    --manga-shadow-active: 2px 2px 0px var(--color-manga-border);
    --font-heading: 'ZCOOL KuaiLe', 'Fredoka', 'Kosugi Maru', sans-serif;
    --font-body: 'Fredoka', 'Kosugi Maru', system-ui, -apple-system, sans-serif;
}

/* --- Global Reset & Scrollbars --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    height: 100dvh;
    overflow: hidden;
}

body {
    background-color: #ffeef2;
    background-image: 
        radial-gradient(rgba(255, 126, 165, 0.15) 15%, transparent 16%),
        radial-gradient(rgba(162, 210, 255, 0.15) 15%, transparent 16%);
    background-size: 32px 32px;
    background-position: 0 0, 16px 16px;
    font-family: var(--font-body);
    color: var(--color-dark);
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Custom Scrollbar */
.scroll-custom::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}
.scroll-custom::-webkit-scrollbar-track {
    background: var(--color-bg-primary);
    border-left: 2px solid var(--color-manga-border);
}
.scroll-custom::-webkit-scrollbar-thumb {
    background: var(--color-pastel-pink);
    border: 2px solid var(--color-manga-border);
    border-radius: 5px;
}
.scroll-custom::-webkit-scrollbar-thumb:hover {
    background: var(--color-pastel-yellow);
}

/* --- Canvas for Confetti --- */
#confettiCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 999;
}

/* --- Main Layout Container --- */
.game-container {
    width: 95vw;
    max-width: 1024px;
    height: 90vh;
    max-height: 720px;
    background-color: var(--color-white);
    border: 4px solid var(--color-manga-border);
    border-radius: 24px;
    box-shadow: 8px 8px 0px var(--color-manga-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

/* --- Top Control Bar --- */
.top-bar {
    height: 60px;
    padding: 0 20px;
    border-bottom: 4px solid var(--color-manga-border);
    background-color: var(--color-pastel-pink);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}
.logo-emoji {
    font-size: 1.6rem;
}
.logo-text {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: var(--color-white);
    text-shadow: 2px 2px 0px var(--color-manga-border);
}

.controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Language Selector */
.lang-selector {
    display: flex;
    border: 3px solid var(--color-manga-border);
    border-radius: 12px;
    overflow: hidden;
    background-color: var(--color-white);
    box-shadow: 2px 2px 0px var(--color-manga-border);
}
.lang-btn {
    border: none;
    background: none;
    padding: 4px 10px;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s;
}
.lang-btn.active {
    background-color: var(--color-pastel-yellow);
    color: var(--color-manga-border);
}
.lang-btn:not(.active):hover {
    background-color: #f0f0f0;
}

/* Action Buttons */
.action-btn {
    border: 3px solid var(--color-manga-border);
    border-radius: 12px;
    padding: 6px 12px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: var(--manga-shadow-active);
    transition: transform 0.1s, box-shadow 0.1s;
}
.action-btn:hover {
    transform: translate(-1px, -1px);
    box-shadow: 3px 3px 0px var(--color-manga-border);
}
.action-btn:active {
    transform: translate(1px, 1px);
    box-shadow: 1px 1px 0px var(--color-manga-border);
}
.header-btn {
    background-color: var(--color-pastel-blue);
    color: var(--color-manga-border);
}
.danger-btn {
    background-color: var(--color-pastel-yellow);
}

/* --- Main Display Panel (Stage) --- */
.game-stage {
    flex: 1;
    position: relative;
    overflow: hidden;
    border-bottom: 4px solid var(--color-manga-border);
    background-color: #e3f2fd;
}

/* Stage Background with cute comic pattern */
.stage-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(var(--color-pastel-blue) 10%, transparent 11%),
        radial-gradient(var(--color-pastel-blue) 10%, transparent 11%);
    background-size: 24px 24px;
    background-position: 0 0, 12px 12px;
    opacity: 0.3;
    z-index: 1;
}

/* Characters Container */
.character-container {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 3;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding: 0 40px;
    pointer-events: none;
}

.character-sprite {
    height: 90%;
    max-height: 420px;
    width: 300px;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s;
}

.character-sprite img {
    height: 100%;
    object-fit: contain;
}

.sprite-left {
    transform: translateX(-40px);
}
.sprite-right {
    transform: translateX(40px);
}
.character-sprite.active {
    transform: translateX(0);
    opacity: 1;
}
.character-sprite.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(60px);
}

/* Shake animation for panicked state */
@keyframes shake {
    0%, 100% { transform: translateX(0) rotate(0deg); }
    20% { transform: translateX(-8px) rotate(-3deg); }
    40% { transform: translateX(6px) rotate(2deg); }
    60% { transform: translateX(-6px) rotate(-2deg); }
    80% { transform: translateX(8px) rotate(3deg); }
}
.sprite-shake {
    animation: shake 0.3s infinite;
}

/* Jump animation for happy state */
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-30px); }
}
.sprite-bounce {
    animation: bounce 0.6s infinite ease-in-out;
}

/* --- Interstitial Ending Cards --- */
.ending-card {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-white);
    z-index: 5;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease-in-out;
}
.ending-card.hidden {
    opacity: 0;
    pointer-events: none;
}
.ending-card img {
    max-width: 95%;
    max-height: 95%;
    object-fit: contain;
    border: 4px solid var(--color-manga-border);
    border-radius: 16px;
    box-shadow: var(--manga-shadow);
    background-color: var(--color-white);
}

/* --- Split Panel Layout for Endings --- */
.game-stage.showing-ending .ending-card {
    left: 50%;
    right: auto;
    top: 5%;
    width: 44%;
    height: 90%;
    background-color: var(--color-white);
    border: 4px solid var(--color-manga-border);
    border-radius: 20px;
    box-shadow: var(--manga-shadow);
    display: flex;
    justify-content: center;
    align-items: center;
    transform: translate(-50%, 0);
    z-index: 5;
    animation: panelEntrance 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.game-stage.showing-ending .ending-card img {
    border: none;
    box-shadow: none;
    max-width: 98%;
    max-height: 98%;
}

.game-stage.showing-ending .character-container {
    display: block; /* Disable flexbox to position characters absolutely */
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 6;
}

.game-stage.showing-ending .character-sprite {
    position: absolute;
    bottom: 0;
    height: 88%;
}

.game-stage.showing-ending .sprite-left {
    left: 2%;
    right: auto;
    z-index: 7;
    width: 25%;
    max-width: 200px;
    transform: none !important;
}

.game-stage.showing-ending .sprite-right {
    left: auto;
    right: 2%;
    z-index: 7;
    width: 25%;
    max-width: 200px;
    transform: none !important;
    opacity: 1;
}

@keyframes panelEntrance {
    from {
        transform: translate(-50%, 0) scale(0.8) rotate(4deg);
        opacity: 0;
    }
    to {
        transform: translate(-50%, 0) scale(1) rotate(0deg);
        opacity: 1;
    }
}

/* --- Speech & Dialogue Box --- */
.dialogue-panel {
    background-color: var(--color-white);
    padding: 15px 25px;
    min-height: 120px;
    position: relative;
    z-index: 10;
}

/* Floating Name Tag */
.character-name-tag {
    position: absolute;
    top: -20px;
    left: 40px;
    background-color: var(--color-pastel-yellow);
    border: 3px solid var(--color-manga-border);
    border-radius: 12px;
    padding: 4px 16px;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: bold;
    box-shadow: 3px 3px 0px var(--color-manga-border);
    z-index: 11;
}

/* Dialogue Speech Bubble Style */
.dialogue-box {
    border: 3px solid var(--color-manga-border);
    border-radius: 16px;
    padding: 15px 20px;
    background-color: var(--color-bg-primary);
    box-shadow: inset 2px 2px 0px rgba(255,255,255,0.8);
    position: relative;
}
.dialogue-text {
    font-size: 1.05rem;
    line-height: 1.6;
    letter-spacing: 0.5px;
}

/* --- Interactive Options Panel --- */
.options-panel {
    background-color: #fafafa;
    padding: 15px 25px;
    border-top: 2px dashed var(--color-manga-border);
    min-height: 110px;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 4;
}

.options-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    width: 100%;
    max-width: 800px;
}

/* Manga Choice Button */
.option-btn {
    background-color: var(--color-white);
    border: 3px solid var(--color-manga-border);
    border-radius: 16px;
    padding: 12px 20px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: bold;
    color: var(--color-dark);
    cursor: pointer;
    box-shadow: var(--manga-shadow);
    transition: transform 0.15s, box-shadow 0.15s, background-color 0.15s;
    text-align: left;
    line-height: 1.4;
}

.option-btn:hover {
    transform: translate(-2px, -2px);
    box-shadow: var(--manga-shadow-hover);
    background-color: var(--color-pastel-blue);
}

.option-btn:active {
    transform: translate(2px, 2px);
    box-shadow: var(--manga-shadow-active);
}

/* Option-btn variations for endings or resets */
.option-btn.retry-btn {
    background-color: var(--color-pastel-pink);
    color: var(--color-white);
    text-align: center;
    font-size: 1.1rem;
    text-shadow: 1px 1px 0px var(--color-manga-border);
}
.option-btn.retry-btn:hover {
    background-color: var(--color-pastel-yellow);
    color: var(--color-dark);
    text-shadow: none;
}

/* --- Custom Native Dialog (Story Tree) --- */
.comic-modal {
    margin: auto;
    width: 90vw;
    max-width: 880px;
    max-height: 85vh;
    border: 4px solid var(--color-manga-border);
    border-radius: 24px;
    background-color: var(--color-white);
    box-shadow: 10px 10px 0px var(--color-manga-border);
    padding: 0;
    overflow: hidden;
}

/* Modal styling and top layer transitions */
.comic-modal::backdrop {
    background-color: rgba(0, 0, 0, 0);
    backdrop-filter: blur(0px);
    transition: background-color 0.3s ease-out, backdrop-filter 0.3s ease-out;
}

.comic-modal[open]::backdrop {
    background-color: rgba(43, 45, 66, 0.6);
    backdrop-filter: blur(4px);
}

/* Animating dialog on entry using modern starting style */
.comic-modal[open] {
    opacity: 1;
    transform: scale(1) rotate(0deg);

    @starting-style {
        opacity: 0;
        transform: scale(0.9) rotate(-1deg);
    }
}

.comic-modal {
    opacity: 0;
    transform: scale(0.9) rotate(-1deg);
    transition: opacity 0.3s, transform 0.3s, display 0.3s allow-discrete, overlay 0.3s allow-discrete;
}

.modal-header {
    background-color: var(--color-pastel-purple);
    border-bottom: 4px solid var(--color-manga-border);
    padding: 15px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-header h2 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: var(--color-manga-border);
}
.close-btn {
    background: none;
    border: none;
    font-size: 2.2rem;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    color: var(--color-manga-border);
    transition: transform 0.15s;
}
.close-btn:hover {
    transform: scale(1.2) rotate(90deg);
}

.modal-body {
    padding: 20px 25px;
    max-height: 60vh;
    overflow-y: auto;
    background-color: var(--color-bg-primary);
}

.modal-tip {
    font-size: 0.95rem;
    margin-bottom: 20px;
    background-color: var(--color-white);
    padding: 8px 15px;
    border: 2px solid var(--color-manga-border);
    border-radius: 10px;
    display: inline-block;
}

/* --- Story Tree Graphic Construction --- */
.tree-wrapper {
    position: relative;
    width: 100%;
    min-height: 400px;
    padding: 20px 0;
    overflow-x: auto;
    border: 3px solid var(--color-manga-border);
    border-radius: 16px;
    background-color: var(--color-white);
}

/* SVG Line Connections background */
.tree-svg-connections {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.tree-nodes-container {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 40px;
    padding: 10px 20px;
    min-width: 800px; /* Force minimum width to keep layout clean on horizontal scroll */
}

/* Chapters Row in Tree */
.tree-chapter-row {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    position: relative;
}

.tree-chapter-title {
    width: 100px;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--color-pastel-pink);
    border-right: 2px dashed var(--color-manga-border);
    padding-right: 10px;
    margin-right: 20px;
}

.tree-nodes-list {
    display: flex;
    gap: 60px;
    align-items: center;
}

/* Tree Nodes styling */
.tree-node {
    padding: 10px 15px;
    border: 3px solid var(--color-manga-border);
    border-radius: 12px;
    background-color: var(--color-white);
    cursor: not-allowed;
    user-select: none;
    font-size: 0.85rem;
    font-weight: bold;
    min-width: 130px;
    text-align: center;
    box-shadow: 2px 2px 0px var(--color-manga-border);
    transition: transform 0.2s, box-shadow 0.2s, background-color 0.2s;
    position: relative;
}

/* Node States */
.tree-node.locked {
    background-color: #e0e0e0;
    color: #888888;
    border-color: #888888;
    box-shadow: 2px 2px 0px #888888;
}

.tree-node.visited {
    cursor: pointer;
    background-color: var(--color-pastel-blue);
    color: var(--color-manga-border);
}
.tree-node.visited:hover {
    transform: scale(1.05) translate(-1px, -1px);
    box-shadow: 4px 4px 0px var(--color-manga-border);
    background-color: var(--color-pastel-purple);
}

.tree-node.active {
    cursor: pointer;
    background-color: var(--color-pastel-yellow);
    border-color: var(--color-pastel-pink);
    color: var(--color-manga-border);
    animation: pulse 1.5s infinite;
}
.tree-node.active:hover {
    transform: scale(1.05);
}

.tree-node.bad_ending {
    cursor: pointer;
    background-color: #ffb5a7;
    border-color: #d90429;
    color: #d90429;
}
.tree-node.bad_ending:hover {
    background-color: #ff7096;
    color: var(--color-white);
    transform: scale(1.05);
}

.tree-node.good_ending {
    cursor: pointer;
    background-color: var(--color-pastel-green);
    border-color: var(--color-manga-border);
    color: var(--color-manga-border);
    animation: goldPulse 2s infinite;
}

/* Pulses for Nodes */
@keyframes pulse {
    0% { box-shadow: 0 0 0 0px rgba(255, 126, 165, 0.7); }
    100% { box-shadow: 0 0 0 8px rgba(255, 126, 165, 0); }
}
@keyframes goldPulse {
    0% { box-shadow: 0 0 0 0px rgba(255, 209, 102, 0.7); }
    100% { box-shadow: 0 0 0 10px rgba(255, 209, 102, 0); }
}

@media (max-width: 768px) {
    .game-container {
        width: 100vw;
        height: 100%;
        max-height: none;
        border: none;
        border-radius: 0;
        box-shadow: none;
    }
    .top-bar {
        height: 48px;
        padding: 0 10px;
        border-bottom: 3px solid var(--color-manga-border);
    }
    .logo-emoji {
        font-size: 1.3rem;
    }
    .logo-text {
        font-size: 1.05rem;
    }
    .controls {
        gap: 6px;
    }
    .header-btn {
        padding: 4px 8px;
        font-size: 0.8rem;
    }
    .lang-btn {
        padding: 3px 6px;
        font-size: 0.8rem;
    }
    .game-stage {
        border-bottom: 3px solid var(--color-manga-border);
    }
    .character-container {
        padding: 0 15px;
    }
    .character-sprite {
        width: 120px;
        height: 85%;
        max-height: 200px;
    }
    .dialogue-panel {
        padding: 8px 12px;
        min-height: 90px;
    }
    .character-name-tag {
        top: -14px;
        left: 20px;
        font-size: 0.9rem;
        padding: 2px 10px;
    }
    .dialogue-box {
        padding: 10px 12px;
        border: 2px solid var(--color-manga-border);
        border-radius: 12px;
    }
    .dialogue-text {
        font-size: 0.92rem;
        line-height: 1.45;
    }
    .options-panel {
        padding: 8px 12px calc(28px + env(safe-area-inset-bottom));
        min-height: 75px;
        border-top: 2px dashed var(--color-manga-border);
    }
    .options-list {
        grid-template-columns: 1fr;
        gap: 6px;
    }
    .option-btn {
        padding: 8px 15px;
        font-size: 0.88rem;
        border: 2px solid var(--color-manga-border);
        border-radius: 12px;
        line-height: 1.35;
    }
    
    /* Mobile Split Ending Layout (Overlapping depth style) */
    .game-stage.showing-ending .ending-card {
        left: 50%;
        right: auto;
        top: 5%;
        width: 86%;
        height: 85%;
        transform: translate(-50%, 0);
        z-index: 5;
    }
    
    .game-stage.showing-ending .ending-card img {
        max-width: 96%;
        max-height: 96%;
    }
    
    .game-stage.showing-ending .character-sprite {
        height: 75%;
    }
    
    .game-stage.showing-ending .sprite-left {
        left: -2%;
        width: 32%;
        max-width: 120px;
        z-index: 7;
    }
    
    .game-stage.showing-ending .sprite-right {
        left: auto;
        right: -2%;
        width: 30%;
        max-width: 110px;
        z-index: 7;
    }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .character-sprite, .option-btn, .action-btn, .comic-modal {
        transition: none !important;
        animation: none !important;
    }
}