/* Ukiyo-e Wave Theme Styles (2026-08-05) */

:root {
    --bg-paper: #f4efe4;
    --indigo-dark: #0c1b33;
    --indigo-mid: #193860;
    --indigo-light: #2b5688;
    --wave-cyan: #38889e;
    --foam-white: #f8f6f0;
    --vermilion: #cc3322;
    --gold-leaf: #d49b28;
    --gold-bright: #fce895;
    --jade-green: #2b7a62;
    --text-primary: #f8f6f0;
    --text-muted: #a3b8cc;
    --border-gold: rgba(212, 155, 40, 0.4);
    --border-ink: rgba(25, 56, 96, 0.5);
    --font-heading: 'Noto Serif JP', 'Cinzel', serif;
    --font-sans: 'Noto Sans SC', system-ui, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
    -webkit-user-select: none;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: var(--indigo-dark);
    font-family: var(--font-sans);
    color: var(--text-primary);
}

/* Background Canvas & Vignette */
.ukiyo-bg-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
}

#ukiyo-bg-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.washi-vignette {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 40%, rgba(12, 27, 51, 0.85) 100%);
    box-shadow: inset 0 0 100px rgba(12, 27, 51, 0.9);
}

/* App Container */
.app-container {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 16px;
}

/* Header Section */
.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    background: rgba(25, 56, 96, 0.6);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-gold);
    border-radius: 12px;
    margin-bottom: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--gold-bright);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 6px 12px;
    border-radius: 6px;
    background: rgba(12, 27, 51, 0.5);
    border: 1px solid rgba(212, 155, 40, 0.3);
    transition: all 0.2s ease;
}

.back-btn:hover {
    background: var(--gold-leaf);
    color: var(--indigo-dark);
    transform: translateY(-1px);
}

.title-wrap {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.main-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--foam-white);
    letter-spacing: 1px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.sub-badge {
    font-size: 0.85rem;
    color: var(--gold-bright);
    font-weight: 600;
}

.version-tag {
    font-size: 0.7rem;
    padding: 2px 6px;
    background: rgba(56, 136, 158, 0.3);
    border: 1px solid var(--wave-cyan);
    color: var(--wave-cyan);
    border-radius: 4px;
    letter-spacing: 1px;
}

.header-right {
    display: flex;
    gap: 10px;
}

.icon-btn {
    background: rgba(12, 27, 51, 0.6);
    border: 1px solid var(--border-gold);
    color: var(--gold-bright);
    width: 38px;
    height: 38px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.icon-btn:hover {
    background: var(--indigo-mid);
    border-color: var(--gold-bright);
    transform: scale(1.05);
}

.hidden {
    display: none !important;
}

/* Main Layout */
.game-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 0;
}

/* HUD Bar */
.hud-bar {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 800px;
    gap: 10px;
}

.hud-item {
    flex: 1;
    background: rgba(12, 27, 51, 0.7);
    border: 1px solid var(--border-gold);
    border-radius: 8px;
    padding: 6px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    backdrop-filter: blur(8px);
}

.hud-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.hud-value {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--gold-bright);
    text-shadow: 0 0 8px rgba(212, 155, 40, 0.4);
}

/* Skill Surge Bar */
.surge-bar-container {
    width: 100%;
    max-width: 800px;
    background: rgba(12, 27, 51, 0.8);
    border: 1px solid var(--border-gold);
    border-radius: 8px;
    padding: 6px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.bar-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--gold-bright);
    letter-spacing: 0.5px;
}

.bar-track {
    position: relative;
    width: 100%;
    height: 10px;
    background: rgba(25, 56, 96, 0.8);
    border-radius: 5px;
    overflow: hidden;
    border: 1px solid rgba(212, 155, 40, 0.3);
}

.bar-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--wave-cyan), var(--gold-leaf), var(--vermilion));
    border-radius: 5px;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 10px var(--gold-bright);
}

.bar-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: barShimmer 2s infinite linear;
    pointer-events: none;
}

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

/* Canvas Wrapper */
.canvas-wrapper {
    position: relative;
    width: 100%;
    max-width: 800px;
    aspect-ratio: 4 / 3;
    max-height: 60vh;
    border-radius: 12px;
    border: 3px solid var(--gold-leaf);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6), inset 0 0 20px rgba(0, 0, 0, 0.4);
    overflow: hidden;
    background: var(--indigo-dark);
}

#game-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* Overlay Screen */
.overlay-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(12, 27, 51, 0.92);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    z-index: 10;
    transition: opacity 0.3s ease;
}

.overlay-content {
    text-align: center;
    max-width: 580px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.ukiyo-symbol {
    font-size: 3rem;
    filter: drop-shadow(0 0 10px var(--gold-leaf));
    animation: floatIcon 3s ease-in-out infinite;
}

@keyframes floatIcon {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.overlay-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--gold-bright);
    text-shadow: 0 2px 10px rgba(212, 155, 40, 0.5);
}

.overlay-sub {
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--foam-white);
}

.element-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    background: rgba(25, 56, 96, 0.6);
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-gold);
}

.legend-item {
    font-size: 0.8rem;
    color: var(--foam-white);
    display: flex;
    align-items: center;
    gap: 6px;
}

.overlay-stats {
    display: flex;
    gap: 16px;
    width: 100%;
    justify-content: center;
    margin-top: 4px;
}

.stat-card {
    background: rgba(25, 56, 96, 0.8);
    border: 1px solid var(--border-gold);
    border-radius: 8px;
    padding: 8px 16px;
    min-width: 110px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-card span {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.stat-card strong {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--gold-bright);
}

/* Primary Glow Button */
.btn-glow-primary {
    position: relative;
    background: linear-gradient(135deg, var(--vermilion), #a82214);
    border: 2px solid var(--gold-bright);
    color: var(--foam-white);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    padding: 12px 32px;
    border-radius: 30px;
    cursor: pointer;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(204, 51, 34, 0.5);
    transition: all 0.3s ease;
    margin-top: 6px;
}

.btn-glow-primary:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 6px 25px rgba(204, 51, 34, 0.8), 0 0 15px var(--gold-bright);
    background: linear-gradient(135deg, #e64230, var(--vermilion));
}

.btn-glow-effect {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(252, 232, 149, 0.4) 0%, transparent 60%);
    transform: rotate(30deg);
    pointer-events: none;
}

/* Mobile Controls */
.mobile-controls-panel {
    display: none;
    width: 100%;
    max-width: 800px;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px;
}

.dpad-container {
    position: relative;
    width: 130px;
    height: 130px;
}

.dpad-btn {
    position: absolute;
    width: 42px;
    height: 42px;
    background: rgba(25, 56, 96, 0.8);
    border: 1px solid var(--border-gold);
    color: var(--gold-bright);
    font-size: 1.1rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    touch-action: manipulation;
}

.dpad-btn:active {
    background: var(--gold-leaf);
    color: var(--indigo-dark);
}

.dpad-up { top: 0; left: 44px; }
.dpad-down { bottom: 0; left: 44px; }
.dpad-left { top: 44px; left: 0; }
.dpad-right { top: 44px; right: 0; }
.dpad-center { top: 44px; left: 44px; font-size: 0.9rem; }

.mobile-skill-wrapper {
    display: flex;
    align-items: center;
}

.skill-btn-mobile {
    background: linear-gradient(135deg, var(--wave-cyan), var(--indigo-mid));
    border: 2px solid var(--gold-bright);
    color: var(--foam-white);
    border-radius: 16px;
    padding: 12px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(56, 136, 158, 0.4);
}

.skill-btn-mobile:active {
    transform: scale(0.95);
    background: var(--gold-leaf);
}

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

.skill-text {
    font-size: 0.75rem;
    font-weight: 700;
}

/* Footer Section */
.game-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px;
    background: rgba(12, 27, 51, 0.6);
    border: 1px solid rgba(212, 155, 40, 0.2);
    border-radius: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.key-badge {
    background: rgba(25, 56, 96, 0.8);
    border: 1px solid var(--border-gold);
    color: var(--gold-bright);
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
}

.key-separator {
    margin: 0 6px;
    opacity: 0.4;
}

/* Responsive Media Queries */
@media (max-width: 768px) {
    .app-container {
        padding: 6px;
    }
    
    .game-header {
        padding: 6px 10px;
        margin-bottom: 6px;
    }
    
    .main-title {
        font-size: 1.1rem;
    }
    
    .sub-badge, .version-tag {
        display: none;
    }

    .hud-bar {
        gap: 4px;
    }

    .hud-item {
        padding: 4px 6px;
    }

    .hud-label {
        font-size: 0.55rem;
    }

    .hud-value {
        font-size: 0.95rem;
    }

    .surge-bar-container {
        padding: 4px 8px;
    }

    .canvas-wrapper {
        max-height: 50vh;
    }

    .mobile-controls-panel {
        display: flex;
    }

    .game-footer .key-guide {
        display: none;
    }
}