/* ============================================
   暗影地牢 - Shadow Dungeon RPG
   Complete Stylesheet
   ============================================ */

/* --- CSS Variables & Reset --- */
:root {
    --bg-dark: #0a0a12;
    --bg-panel: #12121f;
    --bg-card: #1a1a2e;
    --bg-hover: #252540;
    --bg-active: #2a2a4a;
    --border-color: #333355;
    --border-light: #444466;
    --text-primary: #e0e0f0;
    --text-secondary: #9999bb;
    --text-dim: #666688;
    --accent-gold: #ffd700;
    --accent-blue: #4488ff;
    --accent-green: #44dd88;
    --accent-red: #ff4455;
    --accent-purple: #aa55ff;
    --accent-orange: #ff8844;
    --hp-color: #e04040;
    --hp-bg: #401010;
    --mp-color: #4080e0;
    --mp-bg: #101040;
    --exp-color: #40e080;
    --exp-bg: #104020;
    --rarity-common: #aaaacc;
    --rarity-uncommon: #44dd88;
    --rarity-rare: #4488ff;
    --rarity-epic: #aa55ff;
    --rarity-legendary: #ffd700;
    --font-main: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    --font-mono: 'Consolas', 'Courier New', monospace;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.5);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.7);
    --shadow-glow-gold: 0 0 15px rgba(255,215,0,0.3);
    --shadow-glow-blue: 0 0 15px rgba(68,136,255,0.3);
    --shadow-glow-red: 0 0 15px rgba(255,68,85,0.3);
}

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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: var(--font-main);
    background: var(--bg-dark);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
    user-select: none;
    -webkit-user-select: none;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

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

.screen {
    display: none;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.screen.active {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* --- Animations --- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

@keyframes slideInUp {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes slideInDown {
    from { transform: translateY(-30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes slideInLeft {
    from { transform: translateX(-30px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideInRight {
    from { transform: translateX(30px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 5px rgba(255,215,0,0.3); }
    50% { box-shadow: 0 0 20px rgba(255,215,0,0.6); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

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

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

@keyframes floatUp {
    from { transform: translateY(0); opacity: 1; }
    to { transform: translateY(-60px); opacity: 0; }
}

@keyframes titleGlow {
    0%, 100% { text-shadow: 0 0 10px rgba(255,215,0,0.5), 0 0 30px rgba(255,215,0,0.2); }
    50% { text-shadow: 0 0 20px rgba(255,215,0,0.8), 0 0 50px rgba(255,215,0,0.4); }
}

@keyframes combatSlash {
    0% { transform: translateX(0) rotate(0deg); opacity: 1; }
    50% { transform: translateX(30px) rotate(15deg); opacity: 0.8; }
    100% { transform: translateX(0) rotate(0deg); opacity: 1; }
}

@keyframes combatHit {
    0% { filter: brightness(1); }
    50% { filter: brightness(2); }
    100% { filter: brightness(1); }
}

@keyframes magicCast {
    0% { transform: scale(0.5); opacity: 0; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(1); opacity: 0.8; }
}

@keyframes healPulse {
    0% { box-shadow: 0 0 0 0 rgba(68,221,136,0.4); }
    70% { box-shadow: 0 0 0 20px rgba(68,221,136,0); }
    100% { box-shadow: 0 0 0 0 rgba(68,221,136,0); }
}

@keyframes poisonDrip {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

@keyframes fireFlicker {
    0%, 100% { opacity: 0.8; transform: scale(1); }
    25% { opacity: 1; transform: scale(1.05); }
    75% { opacity: 0.7; transform: scale(0.95); }
}

@keyframes iceShatter {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
    100% { transform: scale(0); opacity: 0; }
}

@keyframes lightningStrike {
    0% { opacity: 0; }
    10% { opacity: 1; }
    20% { opacity: 0; }
    30% { opacity: 1; }
    100% { opacity: 0; }
}

@keyframes lootDrop {
    0% { transform: translateY(-20px) rotate(-10deg); opacity: 0; }
    60% { transform: translateY(5px) rotate(2deg); opacity: 1; }
    100% { transform: translateY(0) rotate(0deg); opacity: 1; }
}

@keyframes notificationSlide {
    0% { transform: translateX(100%); opacity: 0; }
    10% { transform: translateX(0); opacity: 1; }
    90% { transform: translateX(0); opacity: 1; }
    100% { transform: translateX(100%); opacity: 0; }
}

@keyframes levelUpBurst {
    0% { transform: scale(0.5); opacity: 0; }
    50% { transform: scale(1.3); opacity: 1; }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes barFill {
    from { width: 0%; }
}

@keyframes sparkle {
    0%, 100% { opacity: 0; transform: scale(0); }
    50% { opacity: 1; transform: scale(1); }
}

/* --- Start Screen --- */
#start-screen {
    justify-content: center;
    background: linear-gradient(180deg, #0a0a1a 0%, #151530 50%, #0a0a1a 100%);
    background-size: 100% 100%;
}

#start-screen::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(68,136,255,0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(170,85,255,0.05) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255,215,0,0.03) 0%, transparent 70%);
    pointer-events: none;
}

.title-container {
    text-align: center;
    margin-bottom: 40px;
    animation: fadeIn 1s ease;
}

.game-title {
    font-size: 64px;
    font-weight: 900;
    color: var(--accent-gold);
    text-shadow: 0 0 10px rgba(255,215,0,0.5), 0 0 30px rgba(255,215,0,0.2), 0 4px 8px rgba(0,0,0,0.8);
    animation: titleGlow 3s ease-in-out infinite;
    letter-spacing: 8px;
}

.game-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    letter-spacing: 4px;
    margin-top: 8px;
}

.title-art {
    margin-top: 20px;
}

.ascii-art {
    font-family: var(--font-mono);
    color: var(--text-dim);
    font-size: 14px;
    line-height: 1.6;
}

.start-menu {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
    animation: slideInUp 0.8s ease 0.3s both;
}

/* --- Buttons --- */
.menu-btn {
    padding: 12px 40px;
    font-size: 16px;
    font-family: var(--font-main);
    color: var(--text-primary);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 200px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.menu-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
}

.menu-btn:hover::after {
    width: 300px;
    height: 300px;
}

.menu-btn:hover {
    background: var(--bg-hover);
    border-color: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-blue);
}

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

.primary-btn {
    background: linear-gradient(135deg, #2a4a8a, #1a3060);
    border-color: var(--accent-blue);
    font-weight: 600;
}

.primary-btn:hover {
    background: linear-gradient(135deg, #3a5a9a, #2a4070);
    box-shadow: var(--shadow-glow-blue);
}

.danger-btn {
    border-color: var(--accent-red);
}

.danger-btn:hover {
    background: rgba(255,68,85,0.2);
    border-color: var(--accent-red);
    box-shadow: var(--shadow-glow-red);
}

.icon-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    transition: all var(--transition-fast);
}

.icon-btn:hover {
    background: var(--bg-hover);
    border-color: var(--accent-gold);
    transform: scale(1.1);
}

.close-btn {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 14px;
    transition: all var(--transition-fast);
}

.close-btn:hover {
    background: var(--accent-red);
    border-color: var(--accent-red);
    color: white;
}

/* --- Class Selection --- */
#class-select {
    animation: slideInUp 0.5s ease;
    text-align: center;
    max-width: 900px;
    width: 100%;
    padding: 0 20px;
}

#class-select h2 {
    font-size: 24px;
    color: var(--accent-gold);
    margin-bottom: 20px;
}

.class-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.class-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 20px 16px;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
}

.class-card:hover {
    border-color: var(--accent-blue);
    background: var(--bg-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow-blue);
}

.class-card.selected {
    border-color: var(--accent-gold);
    background: rgba(255,215,0,0.1);
    box-shadow: var(--shadow-glow-gold);
}

.class-icon {
    font-size: 48px;
    margin-bottom: 8px;
}

.class-card h3 {
    font-size: 18px;
    color: var(--accent-gold);
    margin-bottom: 6px;
}

.class-card p {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.class-stats {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 12px;
    color: var(--text-dim);
}

.name-input-area {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.name-input-area label {
    color: var(--text-secondary);
    font-size: 16px;
}

#player-name {
    padding: 10px 16px;
    font-size: 16px;
    font-family: var(--font-main);
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    outline: none;
    width: 200px;
    transition: border-color var(--transition-fast);
}

#player-name:focus {
    border-color: var(--accent-blue);
}

/* --- How to Play --- */
#how-to-play {
    animation: slideInUp 0.5s ease;
    text-align: center;
    max-width: 600px;
}

#how-to-play h2 {
    color: var(--accent-gold);
    margin-bottom: 16px;
}

.help-content {
    text-align: left;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
    max-height: 400px;
    overflow-y: auto;
}

.help-content h3 {
    color: var(--accent-blue);
    margin: 16px 0 8px;
    font-size: 16px;
}

.help-content h3:first-child {
    margin-top: 0;
}

.help-content p {
    color: var(--text-secondary);
    font-size: 13px;
    margin: 4px 0;
    padding-left: 8px;
}

/* --- Game Header --- */
#game-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
    width: 100%;
    z-index: 10;
    gap: 16px;
}

#player-info-bar {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-item {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 2px 8px;
    background: var(--bg-card);
    border-radius: 4px;
}

.mini-bar {
    width: 120px;
    height: 18px;
    background: var(--hp-bg);
    border-radius: 9px;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.1);
}

.mini-bar-fill {
    height: 100%;
    border-radius: 9px;
    transition: width 0.5s ease;
    position: relative;
}

.mini-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(180deg, rgba(255,255,255,0.2), transparent);
    border-radius: 9px 9px 0 0;
}

.hp-fill {
    background: linear-gradient(90deg, #c03030, #e04040);
    width: 100%;
}

.mp-fill {
    background: linear-gradient(90deg, #3060c0, #4080e0);
    width: 100%;
}

.exp-fill {
    background: linear-gradient(90deg, #30c060, #40e080);
    width: 100%;
}

#header-mp-bar {
    background: var(--mp-bg);
}

.exp-bar-mini {
    background: var(--exp-bg) !important;
    width: 100px;
}

.mini-bar-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 10px;
    font-weight: 600;
    color: white;
    text-shadow: 0 1px 2px rgba(0,0,0,0.8);
    white-space: nowrap;
}

#floor-info {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 14px;
}

#current-floor {
    color: var(--accent-blue);
    font-weight: 600;
}

#gold-display {
    color: var(--accent-gold);
    font-weight: 600;
}

#header-buttons {
    display: flex;
    gap: 6px;
}

/* --- Game Main Area --- */
#game-main {
    display: flex;
    flex: 1;
    overflow: hidden;
    width: 100%;
}

#game-canvas-container {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #080810;
}

#game-canvas {
    image-rendering: pixelated;
    background: #0a0a14;
}

#damage-numbers {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.damage-number {
    position: absolute;
    font-weight: 900;
    font-size: 20px;
    animation: floatUp 1s ease forwards;
    text-shadow: 0 2px 4px rgba(0,0,0,0.8);
    pointer-events: none;
}

.damage-number.physical {
    color: var(--accent-red);
}

.damage-number.magic {
    color: var(--accent-purple);
}

.damage-number.heal {
    color: var(--accent-green);
}

.damage-number.critical {
    font-size: 28px;
    color: var(--accent-orange);
}

.damage-number.miss {
    color: var(--text-dim);
    font-size: 16px;
}

#interaction-prompt {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.8);
    border: 1px solid var(--accent-gold);
    border-radius: 8px;
    padding: 8px 20px;
    animation: bounce 1.5s ease infinite;
    color: var(--accent-gold);
    font-size: 14px;
}

/* --- Game Log --- */
#game-log {
    width: 260px;
    background: var(--bg-panel);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

#game-log h3 {
    padding: 8px 12px;
    font-size: 13px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

#log-content {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
    font-size: 12px;
}

.log-entry {
    padding: 4px 8px;
    margin-bottom: 2px;
    border-radius: 4px;
    animation: fadeIn 0.3s ease;
    line-height: 1.4;
}

.log-entry.combat {
    color: var(--accent-red);
}

.log-entry.loot {
    color: var(--accent-gold);
}

.log-entry.system {
    color: var(--accent-blue);
}

.log-entry.quest {
    color: var(--accent-green);
}

.log-entry.story {
    color: var(--accent-purple);
}

/* --- Combat Screen --- */
#combat-screen {
    background: linear-gradient(180deg, #0a0a1a 0%, #0f0f25 50%, #0a0a1a 100%);
    flex-direction: column;
}

#combat-scene {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    align-items: center;
    padding: 10px 40px;
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    min-height: 0;
    overflow: hidden;
}

#enemy-area {
    display: flex;
    justify-content: center;
    width: 100%;
}

#enemy-display {
    display: flex;
    align-items: center;
    gap: 20px;
    background: rgba(255,40,40,0.15);
    border: 2px solid rgba(255,68,85,0.4);
    border-radius: 12px;
    padding: 20px 30px;
    box-shadow: 0 0 20px rgba(255,68,85,0.15);
    min-height: 80px;
}

.combat-sprite {
    width: 100px;
    height: 100px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 56px;
    background: var(--bg-card);
    border: 2px solid var(--border-light);
    box-shadow: var(--shadow-md);
}

#enemy-info h3 {
    font-size: 18px;
    color: var(--accent-red);
}

#enemy-level {
    font-size: 12px;
    color: var(--text-dim);
}

.combat-bar {
    width: 200px;
    height: 22px;
    background: var(--hp-bg);
    border-radius: 11px;
    position: relative;
    overflow: hidden;
    margin-top: 6px;
    border: 1px solid rgba(255,255,255,0.1);
}

.combat-bar-fill {
    height: 100%;
    border-radius: 11px;
    transition: width 0.5s ease;
}

.combat-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(180deg, rgba(255,255,255,0.15), transparent);
    border-radius: 11px 11px 0 0;
}

.enemy-hp-fill {
    background: linear-gradient(90deg, #c03030, #e04040);
    width: 100%;
}

.player-hp-fill {
    background: linear-gradient(90deg, #c03030, #e04040);
    width: 100%;
}

.player-mp-fill {
    background: linear-gradient(90deg, #3060c0, #4080e0);
    width: 100%;
}

.combat-bar-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 11px;
    font-weight: 600;
    color: white;
    text-shadow: 0 1px 2px rgba(0,0,0,0.8);
}

#enemy-status-effects, #player-status-effects {
    display: flex;
    gap: 4px;
    margin-top: 6px;
    flex-wrap: wrap;
}

.status-icon {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    position: relative;
}

.status-icon .status-duration {
    position: absolute;
    bottom: -2px;
    right: -2px;
    font-size: 8px;
    background: var(--bg-dark);
    border-radius: 50%;
    width: 12px;
    height: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-gold);
}

#combat-effects {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 5;
}

#combat-vs {
    text-align: center;
    font-size: 28px;
    color: var(--accent-gold);
    text-shadow: 0 0 15px rgba(255,215,0,0.4);
    letter-spacing: 8px;
    animation: pulse 2s ease-in-out infinite;
    padding: 10px 0;
    width: 100%;
}

.combat-effect {
    position: absolute;
    font-size: 40px;
    animation: magicCast 0.6s ease forwards;
}

#player-combat-area {
    display: flex;
    justify-content: center;
    width: 100%;
}

#player-combat-info {
    background: rgba(68,136,255,0.15);
    border: 2px solid rgba(68,136,255,0.4);
    border-radius: 12px;
    padding: 20px 30px;
    min-width: 280px;
    min-height: 80px;
    box-shadow: 0 0 20px rgba(68,136,255,0.15);
}

#combat-player-name {
    font-size: 18px;
    color: var(--accent-blue);
    margin-bottom: 8px;
}

#combat-mp-bar {
    background: var(--mp-bg);
    margin-top: 6px;
}

/* --- Combat Log --- */
#combat-log {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    height: 80px;
    overflow-y: auto;
    padding: 8px 16px;
    background: rgba(0,0,0,0.3);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

#combat-log-content {
    font-size: 13px;
}

.combat-log-entry {
    padding: 2px 0;
    animation: fadeIn 0.3s ease;
}

.combat-log-entry.player-action {
    color: var(--accent-blue);
}

.combat-log-entry.enemy-action {
    color: var(--accent-red);
}

.combat-log-entry.info {
    color: var(--text-secondary);
}

.combat-log-entry.critical {
    color: var(--accent-orange);
    font-weight: 600;
}

/* --- Combat Actions --- */
#combat-actions {
    padding: 16px;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}

#main-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.combat-btn {
    padding: 12px 24px;
    font-size: 15px;
    font-family: var(--font-main);
    color: var(--text-primary);
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 120px;
}

.combat-btn:hover {
    background: var(--bg-hover);
    border-color: var(--accent-gold);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-gold);
}

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

.combat-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.action-submenu {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 12px;
    padding: 12px;
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    max-height: 200px;
    overflow-y: auto;
}

.skill-btn, .item-btn {
    padding: 8px 16px;
    font-size: 13px;
    font-family: var(--font-main);
    color: var(--text-primary);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
    min-width: 150px;
}

.skill-btn:hover, .item-btn:hover {
    background: var(--bg-hover);
    border-color: var(--accent-blue);
}

.skill-btn:disabled, .item-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.skill-btn .skill-cost {
    font-size: 11px;
    color: var(--mp-color);
    display: block;
}

.item-btn .item-count {
    font-size: 11px;
    color: var(--text-dim);
}

/* --- Panels (Inventory, Character, Quest, Shop, etc.) --- */
.panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 700px;
    max-width: 90vw;
    max-height: 85vh;
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    z-index: 100;
    display: flex;
    flex-direction: column;
    animation: slideInUp 0.3s ease;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.panel-header h2 {
    font-size: 18px;
    color: var(--accent-gold);
}

.panel-body {
    padding: 16px 20px;
    overflow-y: auto;
    flex: 1;
}

/* --- Inventory Panel --- */
#inventory-tabs, #shop-tabs, #quest-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.inv-tab, .shop-tab, .quest-tab {
    padding: 6px 14px;
    font-size: 13px;
    font-family: var(--font-main);
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.inv-tab:hover, .shop-tab:hover, .quest-tab:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.inv-tab.active, .shop-tab.active, .quest-tab.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: white;
}

#inventory-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 6px;
    margin-bottom: 16px;
}

.inv-slot {
    aspect-ratio: 1;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.inv-slot:hover {
    background: var(--bg-hover);
    border-color: var(--accent-blue);
}

.inv-slot.selected {
    border-color: var(--accent-gold);
    box-shadow: var(--shadow-glow-gold);
}

.inv-slot.empty {
    opacity: 0.3;
    cursor: default;
}

.inv-slot .item-qty {
    position: absolute;
    bottom: 2px;
    right: 4px;
    font-size: 10px;
    color: var(--text-primary);
    text-shadow: 0 1px 2px rgba(0,0,0,0.8);
}

.inv-slot.rarity-common { border-color: var(--rarity-common); }
.inv-slot.rarity-uncommon { border-color: var(--rarity-uncommon); }
.inv-slot.rarity-rare { border-color: var(--rarity-rare); }
.inv-slot.rarity-epic { border-color: var(--rarity-epic); }
.inv-slot.rarity-legendary { border-color: var(--rarity-legendary); animation: glow 2s ease-in-out infinite; }

#item-detail {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px;
    min-height: 120px;
}

#detail-item-name {
    font-size: 16px;
    color: var(--accent-gold);
    margin-bottom: 6px;
}

#detail-item-desc {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

#detail-item-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.item-stat {
    font-size: 12px;
    padding: 3px 8px;
    background: var(--bg-dark);
    border-radius: 4px;
}

.item-stat.positive {
    color: var(--accent-green);
}

.item-stat.negative {
    color: var(--accent-red);
}

#detail-item-actions {
    display: flex;
    gap: 8px;
}

#detail-item-actions button {
    padding: 6px 16px;
    font-size: 13px;
    font-family: var(--font-main);
    color: var(--text-primary);
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

#detail-item-actions button:hover {
    background: var(--bg-hover);
    border-color: var(--accent-blue);
}

/* --- Character Panel --- */
#char-basic-info {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

#char-avatar {
    width: 80px;
    height: 80px;
    background: var(--bg-card);
    border: 2px solid var(--accent-gold);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
}

#char-name {
    font-size: 20px;
    color: var(--accent-gold);
}

#char-class-level {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 4px 0;
}

.stat-bar {
    width: 200px;
    height: 16px;
    background: var(--exp-bg);
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.1);
}

.stat-bar-fill {
    height: 100%;
    border-radius: 8px;
    transition: width 0.5s ease;
}

.stat-bar-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 10px;
    color: white;
    text-shadow: 0 1px 2px rgba(0,0,0,0.8);
}

#char-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 20px;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--bg-card);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 13px;
}

.stat-value {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 13px;
}

#char-equipment h3 {
    color: var(--accent-blue);
    font-size: 15px;
    margin-bottom: 12px;
}

.equip-slots {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.equip-slot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.equip-slot:hover {
    background: var(--bg-hover);
    border-color: var(--accent-blue);
}

.slot-label {
    color: var(--text-dim);
    font-size: 12px;
}

.slot-item {
    color: var(--text-secondary);
    font-size: 13px;
}

.slot-item.equipped {
    color: var(--accent-gold);
}

/* --- Quest Panel --- */
#quest-list {
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: 16px;
}

.quest-entry {
    padding: 10px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.quest-entry:hover {
    background: var(--bg-hover);
    border-color: var(--accent-blue);
}

.quest-entry.selected {
    border-color: var(--accent-gold);
}

.quest-entry.completed {
    opacity: 0.6;
}

.quest-entry .quest-title {
    font-size: 14px;
    color: var(--text-primary);
}

.quest-entry .quest-type {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--bg-dark);
}

.quest-type.main {
    color: var(--accent-gold);
}

.quest-type.side {
    color: var(--accent-blue);
}

.quest-type.daily {
    color: var(--accent-green);
}

#quest-detail {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px;
}

#quest-detail-name {
    color: var(--accent-gold);
    font-size: 16px;
    margin-bottom: 8px;
}

#quest-detail-desc {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 12px;
}

#quest-detail-objectives {
    margin-bottom: 12px;
}

.quest-objective {
    padding: 4px 0;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.quest-objective.done {
    color: var(--accent-green);
    text-decoration: line-through;
}

.quest-objective.pending {
    color: var(--text-secondary);
}

#quest-detail-rewards {
    padding-top: 8px;
    border-top: 1px solid var(--border-color);
}

.quest-reward {
    font-size: 13px;
    color: var(--accent-gold);
    padding: 2px 0;
}

/* --- Shop Panel --- */
#shop-gold {
    font-size: 16px;
    color: var(--accent-gold);
    font-weight: 600;
    margin-bottom: 12px;
}

#shop-items {
    max-height: 250px;
    overflow-y: auto;
    margin-bottom: 16px;
}

.shop-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.shop-item:hover {
    background: var(--bg-hover);
    border-color: var(--accent-blue);
}

.shop-item.selected {
    border-color: var(--accent-gold);
}

.shop-item-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.shop-item-icon {
    font-size: 24px;
}

.shop-item-name {
    font-size: 14px;
}

.shop-item-price {
    color: var(--accent-gold);
    font-weight: 600;
}

.shop-item.cant-afford .shop-item-price {
    color: var(--accent-red);
}

#shop-item-detail {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px;
}

/* --- Map Panel --- */
#minimap-canvas {
    width: 100%;
    max-width: 400px;
    display: block;
    margin: 0 auto 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #050510;
}

#map-legend {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    display: inline-block;
}

/* --- Dialog Box --- */
#dialog-box {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 700px;
    max-width: 90vw;
    background: var(--bg-panel);
    border: 2px solid var(--accent-gold);
    border-radius: 12px;
    padding: 20px;
    z-index: 200;
    display: flex;
    gap: 16px;
    animation: slideInUp 0.3s ease;
    box-shadow: var(--shadow-lg), var(--shadow-glow-gold);
}

#dialog-portrait {
    width: 60px;
    height: 60px;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    flex-shrink: 0;
}

#dialog-content {
    flex: 1;
}

#dialog-speaker {
    font-size: 14px;
    color: var(--accent-gold);
    margin-bottom: 6px;
}

#dialog-text {
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: 10px;
}

#dialog-choices {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.dialog-choice {
    padding: 8px 14px;
    font-size: 13px;
    font-family: var(--font-main);
    color: var(--text-primary);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}

.dialog-choice:hover {
    background: var(--bg-hover);
    border-color: var(--accent-gold);
    padding-left: 20px;
}

#dialog-continue {
    position: absolute;
    bottom: 8px;
    right: 16px;
    font-size: 12px;
    color: var(--text-dim);
    animation: bounce 1.5s ease infinite;
}

/* --- Notifications --- */
#notification-area {
    position: fixed;
    top: 60px;
    right: 20px;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.notification {
    padding: 10px 20px;
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 13px;
    animation: notificationSlide 3s ease forwards;
    box-shadow: var(--shadow-md);
    max-width: 300px;
}

.notification.success {
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.notification.warning {
    border-color: var(--accent-orange);
    color: var(--accent-orange);
}

.notification.error {
    border-color: var(--accent-red);
    color: var(--accent-red);
}

.notification.info {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.notification.loot {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

/* --- Settings Panel --- */
.setting-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.setting-row:last-child {
    border-bottom: none;
    padding-top: 20px;
    gap: 12px;
}

.setting-row label {
    color: var(--text-secondary);
    font-size: 14px;
}

.setting-row input[type="range"] {
    width: 150px;
    accent-color: var(--accent-blue);
}

.setting-row select {
    padding: 6px 12px;
    font-family: var(--font-main);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
}

.setting-row input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-blue);
}

/* --- Game Over Screen --- */
#gameover-screen {
    justify-content: center;
    background: linear-gradient(180deg, #1a0000 0%, #0a0a12 100%);
}

.gameover-content {
    text-align: center;
    animation: fadeIn 1s ease;
}

.gameover-title {
    font-size: 48px;
    color: var(--accent-red);
    text-shadow: 0 0 20px rgba(255,68,85,0.5);
    margin-bottom: 24px;
}

#gameover-stats {
    margin-bottom: 24px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 2;
}

/* --- Victory Screen --- */
#victory-screen {
    justify-content: center;
    background: linear-gradient(180deg, #1a1a00 0%, #0a0a12 100%);
}

.victory-content {
    text-align: center;
    animation: levelUpBurst 0.8s ease;
}

.victory-title {
    font-size: 48px;
    color: var(--accent-gold);
    text-shadow: 0 0 20px rgba(255,215,0,0.5);
    margin-bottom: 24px;
    animation: titleGlow 2s ease-in-out infinite;
}

#victory-stats {
    margin-bottom: 24px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 2;
}

/* --- Overlays --- */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 250;
    animation: fadeIn 0.3s ease;
}

.levelup-content, .loot-content {
    background: var(--bg-panel);
    border: 2px solid var(--accent-gold);
    border-radius: 16px;
    padding: 30px 40px;
    text-align: center;
    animation: levelUpBurst 0.5s ease;
    box-shadow: var(--shadow-lg), var(--shadow-glow-gold);
    max-width: 400px;
    width: 90%;
}

.levelup-content h2 {
    font-size: 28px;
    color: var(--accent-gold);
    margin-bottom: 12px;
}

#levelup-info {
    font-size: 16px;
    color: var(--text-primary);
    margin-bottom: 16px;
}

#levelup-stats {
    text-align: left;
    margin-bottom: 20px;
}

.levelup-stat {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 14px;
}

.levelup-stat .stat-name {
    color: var(--text-secondary);
}

.levelup-stat .stat-change {
    color: var(--accent-green);
}

.loot-content h2 {
    font-size: 24px;
    color: var(--accent-gold);
    margin-bottom: 16px;
}

#loot-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
}

.loot-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    animation: lootDrop 0.5s ease;
    font-size: 14px;
}

.loot-item-icon {
    font-size: 24px;
}

#loot-gold, #loot-exp {
    font-size: 14px;
    padding: 4px 0;
}

#loot-gold {
    color: var(--accent-gold);
}

#loot-exp {
    color: var(--accent-green);
}

/* --- Forge Panel --- */
#forge-recipes {
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: 16px;
}

.forge-recipe {
    padding: 10px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.forge-recipe:hover {
    background: var(--bg-hover);
    border-color: var(--accent-blue);
}

.forge-recipe.selected {
    border-color: var(--accent-gold);
}

.forge-recipe.cant-forge {
    opacity: 0.5;
}

#forge-detail {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px;
}

#forge-materials {
    margin: 12px 0;
}

.forge-material {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 13px;
}

.forge-material.has {
    color: var(--accent-green);
}

.forge-material.missing {
    color: var(--accent-red);
}

/* --- Tooltip --- */
.tooltip {
    position: fixed;
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 14px;
    z-index: 500;
    max-width: 250px;
    box-shadow: var(--shadow-md);
    pointer-events: none;
    animation: fadeIn 0.15s ease;
}

.tooltip-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.tooltip-desc {
    font-size: 12px;
    color: var(--text-secondary);
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .class-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    #game-log {
        display: none;
    }
    #game-canvas-container {
        width: 100%;
    }
    .panel {
        width: 95vw;
    }
    #inventory-grid {
        grid-template-columns: repeat(6, 1fr);
    }
    #char-stats-grid {
        grid-template-columns: 1fr;
    }
    .equip-slots {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .game-title {
        font-size: 36px;
    }
    .class-grid {
        grid-template-columns: 1fr;
    }
    #combat-scene {
        padding: 10px 16px;
    }
    .combat-btn {
        padding: 8px 14px;
        font-size: 13px;
        min-width: 90px;
    }
    #inventory-grid {
        grid-template-columns: repeat(5, 1fr);
    }
    #player-info-bar {
        flex-wrap: wrap;
    }
}