/* ===========================================================================
   RiftQuest 2 - Into the Rift
   3D Third-Person Adventure Roguelike
   =========================================================================== */

/* -----------------------------------------------------------------------------
   CSS Variables & Theme System
   ----------------------------------------------------------------------------- */
:root {
    /* Base Colors */
    --rq-bg-primary: #0a0a0f;
    --rq-bg-secondary: #12121a;
    --rq-bg-tertiary: #1a1a25;
    --rq-bg-overlay: rgba(10, 10, 15, 0.95);

    /* Accent Colors */
    --rq-accent: #7c4dff;
    --rq-accent-light: #b388ff;
    --rq-accent-dark: #4a148c;
    --rq-accent-glow: rgba(124, 77, 255, 0.5);

    /* Semantic Colors */
    --rq-success: #00e676;
    --rq-danger: #ff5252;
    --rq-warning: #ffab40;
    --rq-info: #40c4ff;

    /* Text Colors */
    --rq-text: #f0f0f5;
    --rq-text-muted: #8888a0;
    --rq-text-dim: #555566;

    /* Border & Effects */
    --rq-border: rgba(124, 77, 255, 0.3);
    --rq-border-light: rgba(255, 255, 255, 0.1);
    --rq-glow: 0 0 20px var(--rq-accent-glow);
    --rq-glow-strong: 0 0 40px var(--rq-accent-glow);

    /* Typography */
    --font-display: 'Cinzel', serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;

    /* Z-Index Layers */
    --z-game: 1;
    --z-hud: 100;
    --z-mobile-controls: 150;
    --z-overlay: 200;
    --z-modal: 300;
    --z-toast: 400;
}

/* -----------------------------------------------------------------------------
   Reset & Base
   ----------------------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    overflow: hidden;
    touch-action: none;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

body {
    font-family: var(--font-body);
    background: var(--rq-bg-primary);
    color: var(--rq-text);
    line-height: 1.5;
}

.site-header,
.site-header * {
    touch-action: manipulation;
}

.site-header {
    z-index: 3000;
}

.nav-menu {
    touch-action: pan-y;
}

#game-container {
    position: fixed;
    top: var(--rq2-header-offset, 80px); /* Below navbar */
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    background: var(--rq-bg-primary);
    z-index: var(--z-game);
}

/* -----------------------------------------------------------------------------
   Screen System
   ----------------------------------------------------------------------------- */
.screen {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
    z-index: var(--z-overlay);
}

.screen.active {
    opacity: 1;
    visibility: visible;
}

.screen.scrollable {
    align-items: flex-start;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.screen-content {
    max-width: 1200px;
    width: 100%;
    padding: var(--spacing-xl);
    text-align: center;
}

.screen.scrollable .screen-content {
    padding-top: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
}

/* -----------------------------------------------------------------------------
   Loading Screen
   ----------------------------------------------------------------------------- */
#loading-screen {
    background: radial-gradient(ellipse at center, #1a1a2e 0%, #0a0a0f 100%);
    z-index: 1000;
}

.loading-content {
    text-align: center;
}

.rift-portal {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto var(--spacing-xl);
}

.portal-ring {
    position: absolute;
    inset: 0;
    border: 3px solid transparent;
    border-radius: 50%;
    animation: portalSpin 3s linear infinite;
}

.ring-1 {
    border-top-color: var(--rq-accent);
    border-bottom-color: var(--rq-accent);
    animation-duration: 3s;
}

.ring-2 {
    inset: 15px;
    border-left-color: var(--rq-accent-light);
    border-right-color: var(--rq-accent-light);
    animation-duration: 2s;
    animation-direction: reverse;
}

.ring-3 {
    inset: 30px;
    border-color: var(--rq-info);
    animation-duration: 4s;
}

.portal-core {
    position: absolute;
    inset: 50px;
    background: radial-gradient(circle, var(--rq-accent-light) 0%, var(--rq-accent) 50%, transparent 70%);
    border-radius: 50%;
    animation: portalPulse 2s ease-in-out infinite;
}

@keyframes portalSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes portalPulse {
    0%, 100% { opacity: 0.6; transform: scale(0.9); }
    50% { opacity: 1; transform: scale(1.1); }
}

.loading-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-shadow: var(--rq-glow);
    margin-bottom: var(--spacing-sm);
}

.loading-subtitle {
    font-size: 1.25rem;
    color: var(--rq-text-muted);
    margin-bottom: var(--spacing-xl);
}

.loading-bar {
    width: 300px;
    height: 4px;
    background: var(--rq-bg-tertiary);
    border-radius: 2px;
    margin: 0 auto var(--spacing-md);
    overflow: hidden;
}

.loading-progress {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--rq-accent), var(--rq-accent-light));
    transition: width var(--transition-normal);
}

.loading-status {
    font-size: 0.875rem;
    color: var(--rq-text-dim);
}

/* -----------------------------------------------------------------------------
   Mode Selection Screen
   ----------------------------------------------------------------------------- */
#mode-screen {
    background: radial-gradient(ellipse at center, #1a1a2e 0%, #0a0a0f 100%);
}

.title-glow {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    background: linear-gradient(135deg, var(--rq-accent-light), var(--rq-accent), var(--rq-info));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 60px var(--rq-accent-glow);
    margin-bottom: var(--spacing-sm);
    animation: titleGlow 3s ease-in-out infinite;
}

@keyframes titleGlow {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.2); }
}

.subtitle {
    font-size: 1.25rem;
    color: var(--rq-text-muted);
    margin-bottom: var(--spacing-2xl);
}

.mode-guide {
    display: grid;
    grid-template-columns: repeat(2, minmax(260px, 1fr));
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto var(--spacing-xl);
}

.mode-guide-card {
    background: rgba(18, 18, 26, 0.9);
    border: 1px solid var(--rq-border);
    border-radius: 14px;
    padding: var(--spacing-lg);
    text-align: left;
}

.mode-guide-card h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
    color: var(--rq-accent-light);
}

.mode-guide-card p {
    margin: 0;
    color: var(--rq-text-muted);
    line-height: 1.55;
}

.mode-guide-card ol {
    margin: 0;
    padding-left: 1.2rem;
    color: var(--rq-text-muted);
    line-height: 1.5;
}

.mode-guide-card li + li {
    margin-top: 0.35rem;
}

.mode-options {
    display: flex;
    gap: var(--spacing-xl);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

.mode-card {
    background: var(--rq-bg-secondary);
    border: 2px solid var(--rq-border);
    border-radius: 16px;
    padding: var(--spacing-xl);
    width: 320px;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: left;
    color: var(--rq-text);
    font-family: inherit;
}

.mode-card:hover {
    border-color: var(--rq-accent);
    transform: translateY(-4px);
    box-shadow: var(--rq-glow);
}

.mode-card:active {
    transform: translateY(-2px);
}

.mode-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.mode-card h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.mode-card p {
    color: var(--rq-text-muted);
    margin-bottom: var(--spacing-md);
}

.control-list {
    list-style: none;
    font-size: 0.875rem;
}

.control-list li {
    padding: var(--spacing-xs) 0;
    color: var(--rq-text-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.control-list li::before {
    content: '›';
    color: var(--rq-accent);
}

@media screen and (max-width: 820px) {
    .mode-guide {
        grid-template-columns: 1fr;
    }
}

.rift-code-entry {
    margin-top: var(--spacing-xl);
}

.rift-code-entry p {
    color: var(--rq-text-muted);
    margin-bottom: var(--spacing-sm);
}

.code-input-group {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.code-input-group input {
    background: var(--rq-bg-tertiary);
    border: 2px solid var(--rq-border);
    border-radius: 8px;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--rq-text);
    font-family: var(--font-display);
    font-size: 1rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    width: 180px;
    text-align: center;
}

.code-input-group input:focus {
    outline: none;
    border-color: var(--rq-accent);
}

.code-input-group button {
    background: var(--rq-accent);
    border: none;
    border-radius: 8px;
    padding: var(--spacing-sm) var(--spacing-md);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.code-input-group button:hover {
    background: var(--rq-accent-light);
}

/* -----------------------------------------------------------------------------
   Character Selection Screen
   ----------------------------------------------------------------------------- */
#character-screen {
    background: radial-gradient(ellipse at center, #1a1a2e 0%, #0a0a0f 100%);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

#character-screen .screen-content {
    padding-bottom: var(--spacing-2xl);
}

#character-screen h1 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.character-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-md);
    max-width: 800px;
    margin: var(--spacing-xl) auto;
}

.character-card {
    background: var(--rq-bg-secondary);
    border: 2px solid var(--rq-border);
    border-radius: 12px;
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
}

.character-card:hover {
    border-color: var(--rq-accent);
    transform: translateY(-2px);
}

.character-card.selected {
    border-color: var(--rq-accent);
    box-shadow: var(--rq-glow);
    background: var(--rq-bg-tertiary);
}

.character-avatar {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    border-radius: 50%;
    background: var(--rq-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    border: 2px solid var(--rq-border);
    overflow: hidden;
    padding: 3px;
}

.character-avatar .rq2-avatar-svg,
.avatar-large .rq2-avatar-svg,
.mini-portrait .rq2-avatar-svg {
    width: 100%;
    height: 100%;
    display: block;
}

.character-card .name {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.character-card .title {
    font-size: 0.75rem;
    color: var(--rq-text-muted);
}

.character-detail {
    display: flex;
    gap: var(--spacing-xl);
    background: var(--rq-bg-secondary);
    border: 2px solid var(--rq-border);
    border-radius: 16px;
    padding: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    text-align: left;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.character-detail.hidden {
    display: none;
}

.detail-portrait {
    flex-shrink: 0;
}

.avatar-large {
    width: 150px;
    height: 150px;
    border-radius: 12px;
    background: var(--rq-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    border: 3px solid var(--rq-accent);
    overflow: hidden;
    padding: 6px;
}

.detail-info {
    flex: 1;
}

.detail-info h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
}

.character-title {
    color: var(--rq-accent-light);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.character-bio {
    color: var(--rq-text-muted);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.ability-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.passive-ability, .active-ability {
    background: var(--rq-bg-tertiary);
    padding: var(--spacing-md);
    border-radius: 8px;
}

.passive-ability h3, .active-ability h3 {
    font-size: 0.875rem;
    color: var(--rq-accent-light);
    margin-bottom: var(--spacing-xs);
}

.passive-ability p, .active-ability p {
    font-size: 0.875rem;
    color: var(--rq-text-muted);
}

.ability-charges {
    display: inline-block;
    margin-top: var(--spacing-xs);
    font-size: 0.75rem;
    color: var(--rq-warning);
}

/* -----------------------------------------------------------------------------
   Buttons
   ----------------------------------------------------------------------------- */
.btn-primary {
    background: linear-gradient(135deg, var(--rq-accent), var(--rq-accent-dark));
    border: none;
    border-radius: 8px;
    padding: var(--spacing-md) var(--spacing-xl);
    color: white;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 15px var(--rq-accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--rq-accent-glow);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--rq-bg-tertiary);
    border: 2px solid var(--rq-border);
    border-radius: 8px;
    padding: var(--spacing-md) var(--spacing-xl);
    color: var(--rq-text);
    font-family: var(--font-display);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    border-color: var(--rq-accent);
    background: var(--rq-bg-secondary);
}

.btn-danger {
    background: var(--rq-danger);
    border: none;
    border-radius: 8px;
    padding: var(--spacing-md) var(--spacing-xl);
    color: white;
    font-family: var(--font-display);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-danger:hover {
    background: #ff7070;
}

.btn-hint {
    background: transparent;
    border: 1px solid var(--rq-warning);
    border-radius: 6px;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--rq-warning);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-hint:hover:not(:disabled) {
    background: var(--rq-warning);
    color: var(--rq-bg-primary);
}

.btn-hint:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* -----------------------------------------------------------------------------
   Game Screen & 3D Container
   ----------------------------------------------------------------------------- */
#game-screen {
    z-index: var(--z-game);
}

#game-screen::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(60% 45% at 50% 45%, rgba(120, 170, 255, 0.08) 0%, rgba(120, 170, 255, 0) 70%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0) 55%);
    z-index: 2;
}

#render-container {
    position: absolute;
    inset: 0;
}

#game-screen.active #render-container canvas {
    filter: brightness(1.08) saturate(1.06) contrast(1.02);
}

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

/* -----------------------------------------------------------------------------
   HUD (Heads-Up Display)
   ----------------------------------------------------------------------------- */
.hud {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: var(--z-hud);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hud > * {
    pointer-events: auto;
}

.hud-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.hud-left, .hud-right {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.hud-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.hearts-display {
    background: var(--rq-bg-overlay);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    border: 1px solid var(--rq-border);
}

#hearts-container {
    font-size: 1.25rem;
    letter-spacing: 2px;
}

.heart-full { color: var(--rq-danger); }
.heart-empty { color: var(--rq-text-dim); }

.floor-display {
    background: var(--rq-bg-overlay);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    border: 1px solid var(--rq-border);
    font-family: var(--font-display);
}

.floor-label {
    font-size: 0.75rem;
    color: var(--rq-text-muted);
    display: block;
}

#current-floor {
    font-size: 1.5rem;
    font-weight: 700;
}

.objective-banner {
    background: var(--rq-bg-overlay);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 8px;
    border: 1px solid var(--rq-accent);
    font-family: var(--font-display);
    animation: objectivePulse 2s ease-in-out infinite;
}

.objective-banner.hidden {
    display: none;
}

@keyframes objectivePulse {
    0%, 100% { border-color: var(--rq-accent); }
    50% { border-color: var(--rq-accent-light); }
}

.inventory-bar {
    display: flex;
    gap: var(--spacing-sm);
    background: var(--rq-bg-overlay);
    padding: var(--spacing-sm);
    border-radius: 8px;
    border: 1px solid var(--rq-border);
}

.inv-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
}

.inv-icon {
    font-size: 1rem;
}

.inv-item span:last-child {
    font-weight: 600;
    min-width: 1.5em;
    text-align: center;
}

.rift-code-display {
    background: var(--rq-bg-overlay);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    border: 1px solid var(--rq-border);
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--rq-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.rift-code-display:hover {
    color: var(--rq-accent-light);
    border-color: var(--rq-accent);
}

.hud-bottom {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.character-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--rq-bg-overlay);
    padding: var(--spacing-sm);
    border-radius: 8px;
    border: 1px solid var(--rq-border);
}

.mini-portrait {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    background: var(--rq-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border: 2px solid var(--rq-accent);
    overflow: hidden;
    padding: 2px;
    line-height: 1;
}

.ability-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.ability-icon {
    width: 36px;
    height: 36px;
    border-radius: 6px;
    background: var(--rq-accent-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    border: 2px solid var(--rq-accent);
}

#ability-charges-hud {
    font-size: 0.75rem;
    color: var(--rq-warning);
    font-weight: 600;
}

.danger-meter {
    text-align: center;
}

.danger-label {
    font-size: 0.75rem;
    color: var(--rq-text-muted);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.danger-bar {
    width: 200px;
    height: 8px;
    background: var(--rq-bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--rq-border);
}

.danger-fill {
    height: 100%;
    width: 30%;
    background: linear-gradient(90deg, var(--rq-success), var(--rq-warning), var(--rq-danger));
    transition: width var(--transition-normal);
}

.relic-slots {
    display: flex;
    gap: var(--spacing-sm);
}

.relic-slot {
    width: 48px;
    height: 48px;
    background: var(--rq-bg-overlay);
    border: 2px solid var(--rq-border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all var(--transition-fast);
}

.relic-slot.empty {
    border-style: dashed;
}

.relic-slot.filled {
    border-color: var(--rq-warning);
    box-shadow: 0 0 10px rgba(255, 171, 64, 0.3);
}

/* -----------------------------------------------------------------------------
   Mobile Controls
   ----------------------------------------------------------------------------- */
.mobile-controls {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: var(--z-mobile-controls);
}

.mobile-controls.hidden {
    display: none;
}

.joystick-zone {
    position: absolute;
    left: var(--spacing-lg);
    bottom: calc(var(--spacing-lg) + 60px);
    width: 150px;
    height: 150px;
    pointer-events: auto;
}

.joystick-base {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(124, 77, 255, 0.2);
    border: 3px solid var(--rq-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.joystick-stick {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--rq-accent), var(--rq-accent-dark));
    box-shadow: 0 4px 15px var(--rq-accent-glow);
    position: absolute;
    transition: transform 50ms ease-out;
}

.action-buttons {
    position: absolute;
    right: var(--spacing-lg);
    bottom: calc(var(--spacing-lg) + 60px);
    display: flex;
    gap: var(--spacing-sm);
    pointer-events: auto;
}

.action-btn {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: 3px solid;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-a {
    background: rgba(0, 230, 118, 0.2);
    border-color: var(--rq-success);
    color: var(--rq-success);
}

.btn-b {
    background: rgba(64, 196, 255, 0.2);
    border-color: var(--rq-info);
    color: var(--rq-info);
}

.btn-c {
    background: rgba(124, 77, 255, 0.2);
    border-color: var(--rq-accent);
    color: var(--rq-accent);
}

.action-btn:active {
    transform: scale(0.95);
}

/* -----------------------------------------------------------------------------
   Interaction Prompt
   ----------------------------------------------------------------------------- */
.interaction-prompt {
    position: absolute;
    bottom: 40%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--rq-bg-overlay);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 8px;
    border: 2px solid var(--rq-accent);
    animation: promptPulse 1.5s ease-in-out infinite;
}

.interaction-prompt.hidden {
    display: none;
}

@keyframes promptPulse {
    0%, 100% { box-shadow: 0 0 10px var(--rq-accent-glow); }
    50% { box-shadow: 0 0 20px var(--rq-accent-glow); }
}

.prompt-key {
    background: var(--rq-accent);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.875rem;
}

#prompt-text {
    font-weight: 500;
}

/* -----------------------------------------------------------------------------
   Node Map Overlay
   ----------------------------------------------------------------------------- */
.node-map-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--rq-bg-overlay);
    border: 2px solid var(--rq-border);
    border-radius: 16px;
    padding: var(--spacing-lg);
    z-index: var(--z-overlay);
}

.node-map-overlay.hidden {
    display: none;
}

#node-map-canvas {
    width: 400px;
    height: 500px;
    border-radius: 8px;
    background: var(--rq-bg-primary);
}

.close-btn {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--rq-bg-tertiary);
    border: 1px solid var(--rq-border);
    color: var(--rq-text);
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-btn:hover {
    background: var(--rq-danger);
    border-color: var(--rq-danger);
}

/* -----------------------------------------------------------------------------
   Encounter Overlay
   ----------------------------------------------------------------------------- */
.encounter-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 15, 25, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-overlay);
    backdrop-filter: blur(4px);
}

.encounter-overlay.hidden {
    display: none;
}

.encounter-content {
    background: var(--rq-bg-secondary);
    border: 2px solid var(--rq-border);
    border-radius: 16px;
    padding: var(--spacing-xl);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.encounter-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.encounter-header h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.encounter-header p {
    color: var(--rq-text-muted);
}

.encounter-body {
    margin-bottom: var(--spacing-lg);
}

.encounter-choices {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.choice-btn {
    background: var(--rq-bg-tertiary);
    border: 2px solid var(--rq-border);
    border-radius: 8px;
    padding: var(--spacing-md);
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--rq-text);
}

.choice-btn:hover {
    border-color: var(--rq-accent);
    background: var(--rq-bg-secondary);
}

.choice-btn .choice-text {
    display: block;
    margin-bottom: var(--spacing-xs);
}

.choice-btn .choice-info {
    font-size: 0.875rem;
    color: var(--rq-text-muted);
}

.choice-cost {
    color: var(--rq-danger);
}

.choice-chance {
    color: var(--rq-info);
}

/* -----------------------------------------------------------------------------
   Modal System
   ----------------------------------------------------------------------------- */
.modal {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 15, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    backdrop-filter: blur(8px);
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--rq-bg-secondary);
    border: 2px solid var(--rq-border);
    border-radius: 16px;
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 90%;
    text-align: center;
}

.modal-content h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
}

.pause-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.run-stats {
    text-align: left;
    background: var(--rq-bg-tertiary);
    padding: var(--spacing-md);
    border-radius: 8px;
}

.run-stats p {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
    color: var(--rq-text-muted);
}

.run-stats span {
    color: var(--rq-text);
    font-weight: 500;
}

/* -----------------------------------------------------------------------------
   Puzzle Modal
   ----------------------------------------------------------------------------- */
.puzzle-modal-content {
    max-width: 700px;
}

.puzzle-header {
    margin-bottom: var(--spacing-lg);
}

#puzzle-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

#puzzle-description {
    color: var(--rq-text-muted);
}

.puzzle-container {
    background: var(--rq-bg-tertiary);
    border-radius: 12px;
    padding: var(--spacing-lg);
    min-height: 300px;
    margin-bottom: var(--spacing-lg);
}

.puzzle-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.puzzle-attempts {
    color: var(--rq-text-muted);
}

/* -----------------------------------------------------------------------------
   Game Over Screen
   ----------------------------------------------------------------------------- */
#gameover-screen {
    background: radial-gradient(ellipse at center, #1a0a0a 0%, #0a0a0f 100%);
}

.gameover-content {
    max-width: 500px;
}

.gameover-title {
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--rq-danger);
    text-shadow: 0 0 30px rgba(255, 82, 82, 0.5);
    margin-bottom: var(--spacing-sm);
}

.gameover-subtitle {
    color: var(--rq-text-muted);
    margin-bottom: var(--spacing-xl);
}

.final-stats {
    background: var(--rq-bg-secondary);
    border-radius: 12px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--rq-border);
}

.stat-row:last-child {
    border-bottom: none;
}

.stat-row.highlight {
    color: var(--rq-accent-light);
    font-weight: 600;
}

.gameover-code, .victory-code {
    margin-bottom: var(--spacing-xl);
}

.gameover-code p, .victory-code p {
    color: var(--rq-text-muted);
    margin-bottom: var(--spacing-sm);
}

.rift-code-large {
    font-family: var(--font-display);
    font-size: 1.5rem;
    letter-spacing: 0.1em;
    color: var(--rq-accent-light);
    background: var(--rq-bg-tertiary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 8px;
    display: inline-block;
}

.gameover-actions, .victory-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

/* -----------------------------------------------------------------------------
   Victory Screen
   ----------------------------------------------------------------------------- */
#victory-screen {
    background: radial-gradient(ellipse at center, #0a1a0a 0%, #0a0a0f 100%);
}

.victory-content {
    max-width: 500px;
    position: relative;
}

.victory-effects {
    position: absolute;
    inset: -100px;
    pointer-events: none;
    overflow: hidden;
}

.particle-burst {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 30%, rgba(0, 230, 118, 0.2) 0%, transparent 50%);
    animation: victoryBurst 3s ease-out infinite;
}

@keyframes victoryBurst {
    0% { transform: scale(0.8); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

.victory-title {
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--rq-success);
    text-shadow: 0 0 30px rgba(0, 230, 118, 0.5);
    margin-bottom: var(--spacing-sm);
}

.victory-subtitle {
    color: var(--rq-text-muted);
    margin-bottom: var(--spacing-xl);
}

/* -----------------------------------------------------------------------------
   Toast Notifications
   ----------------------------------------------------------------------------- */
.toast-container {
    position: absolute;
    top: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: var(--z-toast);
    pointer-events: none;
}

.toast {
    background: var(--rq-bg-secondary);
    border: 1px solid var(--rq-border);
    border-radius: 8px;
    padding: var(--spacing-sm) var(--spacing-lg);
    animation: toastIn 300ms ease-out;
    pointer-events: auto;
}

.toast.success {
    border-color: var(--rq-success);
    background: rgba(0, 230, 118, 0.1);
}

.toast.error {
    border-color: var(--rq-danger);
    background: rgba(255, 82, 82, 0.1);
}

.toast.info {
    border-color: var(--rq-info);
    background: rgba(64, 196, 255, 0.1);
}

.toast.warning {
    border-color: var(--rq-warning);
    background: rgba(255, 171, 64, 0.1);
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.toast.fade-out {
    animation: toastOut 300ms ease-in forwards;
}

@keyframes toastOut {
    to {
        opacity: 0;
        transform: translateY(-20px);
    }
}

/* -----------------------------------------------------------------------------
   Responsive Design
   ----------------------------------------------------------------------------- */
@media (max-width: 768px) {
    .title-glow {
        font-size: 2.5rem;
    }

    .mode-options {
        flex-direction: column;
        align-items: center;
    }

    .mode-card {
        width: 100%;
        max-width: 320px;
    }

    .character-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .character-detail {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .ability-section {
        grid-template-columns: 1fr;
    }

    .hud-bottom {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .danger-meter {
        order: -1;
        width: 100%;
    }

    .danger-bar {
        width: 100%;
    }

    #node-map-canvas {
        width: 300px;
        height: 400px;
    }
}

@media (max-width: 480px) {
    .screen-content {
        padding: var(--spacing-md);
    }

    .character-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .character-avatar {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }

    .avatar-large {
        width: 100px;
        height: 100px;
        font-size: 3rem;
    }

    .inventory-bar {
        flex-wrap: wrap;
    }

    .joystick-zone {
        left: var(--spacing-md);
        bottom: var(--spacing-xl);
    }

    .action-buttons {
        right: var(--spacing-md);
        bottom: var(--spacing-xl);
    }

    .action-btn {
        width: 56px;
        height: 56px;
        font-size: 1.25rem;
    }
}

/* -----------------------------------------------------------------------------
   Utility Classes
   ----------------------------------------------------------------------------- */
.hidden {
    display: none !important;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.text-center { text-align: center; }
.text-muted { color: var(--rq-text-muted); }
.text-accent { color: var(--rq-accent-light); }
.text-success { color: var(--rq-success); }
.text-danger { color: var(--rq-danger); }
.text-warning { color: var(--rq-warning); }

/* -----------------------------------------------------------------------------
   Theme Overrides (Applied dynamically)
   ----------------------------------------------------------------------------- */
/* Theme classes will be applied to #game-container */