/* ========================================
   墨韵幽境 — 主样式表
   Ink & Void — Master Stylesheet
   ======================================== */

/* ── 动画定义（极简） ── */

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

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

@keyframes inkDissolve {
    from { opacity: 0; filter: blur(6px); }
    to { opacity: 1; filter: blur(0); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes inkSpin {
    to { transform: rotate(360deg); }
}

@keyframes subtleDrift {
    0%, 100% { background-position: 0% 0%; }
    50% { background-position: 100% 100%; }
}

@keyframes shake {
    0% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    50% { transform: translateX(4px); }
    75% { transform: translateX(-4px); }
    100% { transform: translateX(0); }
}

/* ── 动画辅助类 ── */
.animate-slideUp { animation: slideUp 0.4s ease-out forwards; }
.animate-fadeIn { animation: fadeIn 0.3s ease-in-out; }
.animate-inkDissolve { animation: inkDissolve 0.5s ease-out forwards; }

.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }

/* ── 滚动条 ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--ink-subtle); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--amber); }

/* ══════════════════════════════════════════
   墨韵背景层 (#luxury-bg replacement)
   ══════════════════════════════════════════ */

#luxury-bg {
    opacity: 1;
    overflow: hidden;
}

.ink-bg-wash {
    background:
        radial-gradient(ellipse at 20% 30%, rgba(200, 149, 108, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(107, 143, 113, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(232, 220, 200, 0.02) 0%, transparent 60%),
        linear-gradient(160deg, var(--ink-black) 0%, #0f0e12 40%, #12101a 70%, var(--ink-black) 100%);
    background-size: 200% 200%;
    animation: subtleDrift 40s ease-in-out infinite;
}

.ink-bg-grain {
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    pointer-events: none;
}

/* ══════════════════════════════════════════
   屏幕过渡
   ══════════════════════════════════════════ */

.screen {
    animation: fadeIn 0.35s ease-in-out;
    opacity: 1;
}

/* ══════════════════════════════════════════
   ink-btn — 核心按钮组件
   ══════════════════════════════════════════ */

.ink-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 32px;
    font-family: 'LXGW WenKai', 'Noto Serif SC', serif;
    font-size: 15px;
    font-weight: 400;
    letter-spacing: 0.08em;
    color: var(--text-primary);
    background: transparent;
    border: 1px solid var(--border-hover);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
    position: relative;
}

.ink-btn:hover {
    color: var(--amber);
    border-color: var(--amber);
    box-shadow: 0 0 24px var(--amber-faint), inset 0 0 12px var(--amber-faint);
}

.ink-btn:active {
    transform: scale(0.97);
    transition-duration: 0.1s;
}

.ink-btn--danger {
    border-color: var(--crimson-dim);
    color: var(--crimson-light);
}

.ink-btn--danger:hover {
    border-color: var(--crimson);
    color: var(--crimson-light);
    box-shadow: 0 0 24px var(--crimson-dim);
}

.ink-btn--muted {
    color: var(--text-muted);
    border-color: var(--border);
}

.ink-btn--muted:hover {
    color: var(--text-secondary);
    border-color: var(--border-hover);
    box-shadow: none;
}

/* 风格选择网格按钮 */
.ink-btn-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 64px;
    font-family: 'LXGW WenKai', 'Noto Serif SC', serif;
    font-size: 15px;
    letter-spacing: 0.06em;
    color: var(--text-primary);
    background: var(--parchment-faint);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.ink-btn-grid:hover {
    border-color: var(--amber);
    color: var(--amber);
    box-shadow: 0 0 16px var(--amber-faint);
}

.ink-btn-grid.selected,
.style-btn.selected {
    border-color: var(--amber);
    color: var(--amber);
    background: rgba(200, 149, 108, 0.08);
    box-shadow: 0 0 20px var(--amber-faint);
}

/* ══════════════════════════════════════════
   ink-pill — 属性选择药丸按钮
   ══════════════════════════════════════════ */

.ink-pill {
    padding: 8px 20px;
    font-family: 'LXGW WenKai', serif;
    font-size: 14px;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.25s ease;
}

.ink-pill:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.ink-pill.selected,
.attr-option-btn.selected {
    border-color: var(--amber);
    color: var(--amber);
    background: var(--amber-faint);
}

/* ══════════════════════════════════════════
   ink-card — 卡片组件
   ══════════════════════════════════════════ */

.ink-card {
    background: var(--parchment-faint);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.ink-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-sm);
}

.ink-card.selected {
    border-color: var(--amber);
    background: rgba(200, 149, 108, 0.06);
    box-shadow: 0 0 24px var(--amber-faint);
}

/* ══════════════════════════════════════════
   ink-input — 输入框组件
   ══════════════════════════════════════════ */

.ink-input {
    padding: 14px 24px;
    font-family: 'LXGW WenKai', serif;
    font-size: 16px;
    color: var(--text-primary);
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-hover);
    outline: none;
    transition: border-color 0.3s ease;
}

.ink-input::placeholder {
    color: var(--text-muted);
    font-style: normal;
}

.ink-input:focus {
    border-bottom-color: var(--amber);
}

/* ══════════════════════════════════════════
   ink-title — 标题组件
   ══════════════════════════════════════════ */

.ink-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    color: var(--text-primary);
    text-align: center;
}

/* ══════════════════════════════════════════
   ink-spinner — 加载动画
   ══════════════════════════════════════════ */

.ink-spinner {
    width: 48px;
    height: 48px;
    border: 2px solid var(--border);
    border-top-color: var(--amber);
    border-radius: 50%;
    animation: inkSpin 1.2s linear infinite;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 2px solid var(--border);
    border-top-color: var(--amber);
    border-radius: 50%;
    animation: inkSpin 1.2s linear infinite;
}

/* ══════════════════════════════════════════
   主菜单
   ══════════════════════════════════════════ */

#menu-screen .ink-btn {
    opacity: 0;
    animation: slideUp 0.5s ease-out forwards;
}

#menu-screen .ink-btn:nth-child(1) { animation-delay: 0.1s; }
#menu-screen .ink-btn:nth-child(2) { animation-delay: 0.2s; }
#menu-screen .ink-btn:nth-child(3) { animation-delay: 0.3s; }
#menu-screen .ink-btn:nth-child(4) { animation-delay: 0.4s; }

/* 视觉模式按钮 */
.visual-mode-btn:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.visual-mode-btn.is-active {
    border-color: var(--amber);
    color: var(--amber);
    background: var(--amber-faint);
}

/* ══════════════════════════════════════════
   难度卡片
   ══════════════════════════════════════════ */

.difficulty-card {
    opacity: 0;
    animation: slideUp 0.4s ease-out forwards;
    transition: all 0.3s ease;
}

.difficulty-card:nth-child(1) { animation-delay: 0.1s; }
.difficulty-card:nth-child(2) { animation-delay: 0.2s; }
.difficulty-card:nth-child(3) { animation-delay: 0.3s; }

.difficulty-card:hover {
    transform: translateY(-4px);
}

.difficulty-card.selected {
    border-color: var(--amber);
    background: rgba(200, 149, 108, 0.06);
    box-shadow: 0 0 24px var(--amber-faint);
    transform: translateY(-2px);
}

.difficulty-card.selected[data-difficulty="简单"] {
    border-color: var(--jade);
    box-shadow: 0 0 20px var(--jade-dim);
}

.difficulty-card.selected[data-difficulty="困难"] {
    border-color: var(--crimson);
    box-shadow: 0 0 20px var(--crimson-dim);
}

/* ══════════════════════════════════════════
   基调卡片
   ══════════════════════════════════════════ */

.tone-card {
    opacity: 0;
    animation: slideUp 0.4s ease-out forwards;
    transition: all 0.3s ease;
}

.tone-card:nth-child(n) {
    animation-delay: calc(var(--i, 0) * 60ms + 100ms);
}

.tone-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-hover);
}

.tone-card.selected {
    border-color: var(--amber);
    background: rgba(200, 149, 108, 0.06);
    box-shadow: 0 0 20px var(--amber-faint);
}

/* tone-card 选中状态（向后兼容 JS 设置的 tone 特定色） */
.tone-card.selected[data-tone="happy_ending"]  { --tone-color: var(--jade); border-color: var(--jade); box-shadow: 0 0 20px var(--jade-dim); }
.tone-card.selected[data-tone="bad_ending"]    { --tone-color: #9B59B6; border-color: #9B59B6; }
.tone-card.selected[data-tone="dark_depressing"] { --tone-color: var(--text-muted); }
.tone-card.selected[data-tone="humorous"]      { --tone-color: #d4a843; border-color: #d4a843; }

/* ══════════════════════════════════════════
   核心设定界面
   ══════════════════════════════════════════ */

#setting-screen .setting-nav {
    background: transparent;
}

#setting-screen .nav-item {
    color: var(--text-secondary);
    border-left: 2px solid transparent;
    transition: all 0.2s ease;
}

#setting-screen .nav-item:hover,
#setting-screen .nav-item.bg-\[\#1ABC9C\] {
    color: var(--amber);
    border-left-color: var(--amber);
    background: var(--amber-faint) !important;
}

#setting-screen .setting-content {
    background: transparent;
}

/* ══════════════════════════════════════════
   游戏结束按钮
   ══════════════════════════════════════════ */

.end-game-btn {
    cursor: pointer;
    outline: none;
    font-size: 16px;
    font-weight: 300;
}

.end-game-btn:hover {
    box-shadow: 0 0 16px var(--crimson-dim);
}

/* ══════════════════════════════════════════
   游戏选项卡片
   ══════════════════════════════════════════ */

.option-card {
    width: 100%;
    min-height: 64px;
    border-radius: 6px;
    background: rgba(11, 11, 14, 0.4);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 14px 24px;
    transition: all 0.3s ease;
    cursor: pointer;
    color: var(--text-primary);
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
}

.option-card:hover {
    border-color: var(--jade);
    box-shadow: 0 0 16px var(--jade-dim);
    background: rgba(107, 143, 113, 0.06);
}

.option-card.selected {
    border-color: var(--amber);
    box-shadow: 0 0 20px var(--amber-faint);
    background: rgba(200, 149, 108, 0.06);
    animation: shake 0.2s ease;
}

.option-card.disabled {
    color: var(--text-disabled);
    cursor: not-allowed;
    opacity: 0.5;
}

.option-card:nth-child(1) { animation: slideUp 0.3s ease-out forwards; animation-delay: 50ms; opacity: 0; }
.option-card:nth-child(2) { animation: slideUp 0.3s ease-out forwards; animation-delay: 120ms; opacity: 0; }

.option-number {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--amber);
    color: var(--ink-black);
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 14px;
    flex-shrink: 0;
}

.option-text {
    color: var(--text-primary);
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
    font-size: 15px;
    line-height: 1.6;
}

/* ══════════════════════════════════════════
   剧情主区域
   ══════════════════════════════════════════ */

#gameplay-stage {
    position: relative;
    overflow: hidden;
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: none !important;
    box-shadow: none !important;
}

.text-display-area {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: var(--ink-subtle) transparent;
    padding: 24px 34px 120px;
    background: none;
}

.text-display-area.hidden { display: none !important; }

.narrative-shell {
    width: min(1100px, 92vw);
    max-width: 1100px;
    align-self: flex-end;
    flex: 0 0 auto;
    min-height: 0;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    padding: 20px 24px;
    position: relative;
}

.narrative-shell::before { display: none !important; }

.options-list-area {
    position: absolute;
    inset: 0;
    z-index: 2;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: var(--amber-glow) transparent;
}

.options-list-area.hidden { display: none !important; }

.options-list {
    min-height: 0;
}

/* ══════════════════════════════════════════
   场景文本
   ══════════════════════════════════════════ */

.scene-text,
#scene-text,
p#scene-text {
    position: relative;
    z-index: 1;
    margin: 0;
    width: 100%;
    max-width: 68ch;
    color: var(--parchment);
    font-family: 'LXGW WenKai', 'Ma Shan Zheng', serif;
    font-size: clamp(18px, 1.3vw, 24px);
    line-height: 2;
    letter-spacing: 0.03em;
    text-align: left;
    text-wrap: pretty;
    word-break: break-word;
    overflow-wrap: anywhere;
    user-select: none;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* ══════════════════════════════════════════
   角色面板
   ══════════════════════════════════════════ */

.character-panel {
    z-index: 40 !important;
    background: var(--overlay-heavy);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* ══════════════════════════════════════════
   进度条
   ══════════════════════════════════════════ */

.progress-bar-container {
    background: var(--overlay-medium);
}

/* ══════════════════════════════════════════
   场景箭头按钮
   ══════════════════════════════════════════ */

.scene-arrow {
    cursor: pointer;
    outline: none;
    font-size: 18px;
    font-weight: 300;
}

.scene-arrow:hover {
    transform: scale(1.08);
}

.scene-arrow:active {
    transform: scale(0.95);
}

.scene-arrow.hidden { display: none !important; }

/* ══════════════════════════════════════════
   弹窗
   ══════════════════════════════════════════ */

#modal.active #modal-content {
    transform: scale(1);
    opacity: 1;
}

#modal-content {
    animation: fadeIn 0.25s ease-out forwards;
    background: var(--ink-deep);
    border: 1px solid var(--border);
}

/* ══════════════════════════════════════════
   加载状态
   ══════════════════════════════════════════ */

#loading-screen {
    background: radial-gradient(ellipse at center, rgba(200, 149, 108, 0.04) 0%, var(--ink-black) 60%);
}

#image-loading {
    backdrop-filter: none;
    z-index: 50;
}

/* ══════════════════════════════════════════
   解锁/爽点提示
   ══════════════════════════════════════════ */

.unlock-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--overlay-heavy);
    border: 1px solid var(--amber);
    border-radius: 6px;
    padding: 14px 20px;
    color: var(--amber);
    box-shadow: var(--shadow-md);
    animation: slideUp 0.3s ease, fadeOut 0.3s ease 4.7s forwards;
    z-index: 100;
}

.super-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--overlay-heavy);
    border: 1px solid var(--amber);
    border-radius: 6px;
    padding: 14px 20px;
    color: var(--amber);
    font-weight: 500;
    box-shadow: var(--shadow-md);
    animation: slideUp 0.3s ease, fadeOut 0.3s ease 2.7s forwards;
    z-index: 100;
}

.hidden-plot-tag {
    position: fixed;
    top: 50%;
    left: 20px;
    transform: translateY(-50%) rotate(90deg);
    background: var(--jade-dim);
    border: 1px solid var(--jade);
    border-radius: 4px;
    padding: 6px 14px;
    color: var(--jade);
    font-size: 13px;
    z-index: 100;
}

.tone-change-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--overlay-heavy);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px 30px;
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    animation: fadeIn 0.3s ease, fadeOut 0.3s ease 2.7s forwards;
    z-index: 100;
    text-align: center;
}

/* ══════════════════════════════════════════
   高亮样式
   ══════════════════════════════════════════ */

.highlight {
    background-color: rgba(200, 149, 108, 0.15);
    border-radius: 3px;
    padding: 0 4px;
}

.narrative-highlight {
    color: var(--amber-light) !important;
    font-weight: 500;
}

/* ══════════════════════════════════════════
   存档卡片（JS 动态生成）
   ══════════════════════════════════════════ */

.save-card {
    background: var(--parchment-faint);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.save-card:hover {
    border-color: var(--border-hover);
}

.save-card.selected {
    border-color: var(--amber);
    box-shadow: 0 0 16px var(--amber-faint);
}

/* ══════════════════════════════════════════
   body.luxury-mode — 向后兼容（JS 切换用）
   ══════════════════════════════════════════ */

body.luxury-mode {
    background: var(--ink-black) !important;
}

body.luxury-mode .screen.luxury-target {
    background: transparent !important;
}

body.luxury-mode .screen.luxury-target .title,
body.luxury-mode #menu-screen #game-logo span:first-child {
    color: var(--parchment);
}

body.visual-performance .screen {
    animation: none !important;
}

body.visual-performance .ink-bg-wash {
    animation-duration: 80s !important;
}

/* ══════════════════════════════════════════
   向后兼容：JS 动态添加的旧色 Tailwind 类
   ══════════════════════════════════════════ */

.bg-\[\#1ABC9C\] { background-color: var(--amber) !important; }
.hover\:bg-\[\#16A085\]:hover { background-color: var(--amber-light) !important; }
.border-\[\#1ABC9C\] { border-color: var(--amber) !important; }
.text-\[\#1ABC9C\] { color: var(--amber) !important; }
.border-\[#1ABC9C\] { border-color: var(--amber) !important; }
.text-\[\#ECF0F1\] { color: var(--text-primary) !important; }
.bg-\[\#2C3E50\] { background-color: var(--ink-surface) !important; }
.hover\:bg-\[\#34495E\]:hover { background-color: var(--ink-subtle) !important; }
.bg-\[\#E74C3C\] { background-color: var(--crimson) !important; }
.text-\[\#F4E4A6\] { color: var(--amber-light) !important; }
.bg-\[\#7F8C8D\] { background-color: var(--ink-subtle) !important; }
.text-\[\#999999\] { color: var(--text-muted) !important; }
.border-\[\#34495E\] { border-color: var(--border) !important; }
.border-\[\#3498DB\] { border-color: var(--amber) !important; }

/* 动态生成的存档卡片 */
.save-card {
    background: var(--parchment-faint) !important;
    border: 1px solid var(--border) !important;
    border-radius: 8px !important;
}

.save-card:hover {
    border-color: var(--amber) !important;
}

/* 动态生成的确认对话框按钮 */
.btn-modal.confirm {
    background: var(--amber) !important;
    color: var(--ink-black) !important;
    border: none !important;
    border-radius: 4px !important;
}

.btn-modal.cancel {
    background: transparent !important;
    color: var(--text-secondary) !important;
    border: 1px solid var(--border) !important;
    border-radius: 4px !important;
}

/* ══════════════════════════════════════════
   响应式
   ══════════════════════════════════════════ */

@media (max-width: 1200px) {
    .attr-container { flex-direction: column; gap: 20px; }
    .attr-desc, .attr-controls { width: 100% !important; }
    .character-panel { width: 240px !important; }
}

@media (max-width: 992px) {
    .difficulty-cards { flex-direction: column; align-items: center; }
    .tone-cards { flex-direction: column; align-items: center; }
    .save-cards { grid-template-columns: 1fr !important; }
    .progress-bar-container { flex-direction: column; gap: 8px; height: auto !important; padding: 10px; }
}

@media (max-width: 768px) {
    .title, .ink-title { font-size: 1.2rem !important; }
    .ink-btn { padding: 10px 24px; font-size: 14px; }
    .ink-input { width: 100% !important; }
    .setting-container { flex-direction: column; }
    .setting-nav { width: 100% !important; display: flex; overflow-x: auto; border-right: none; border-bottom: 1px solid var(--border); }
    .nav-item { white-space: nowrap; flex-shrink: 0; border-left: none !important; border-bottom: 2px solid transparent; }
    .setting-content { width: 100% !important; }
    #gameplay-stage { padding: 20px !important; }
    .text-display-area { padding: 16px 14px 100px; }
    .narrative-shell { width: min(100%, 96vw); padding: 14px; }
    .character-panel {
        position: fixed !important;
        bottom: 16px !important; right: 16px !important; top: auto !important;
        transform: none !important;
        width: calc(100% - 32px) !important;
        height: auto !important;
    }
    .ending-container { padding: 32px !important; }
    .ending-buttons { flex-direction: column; gap: 12px !important; }
    .style-buttons-grid { grid-template-columns: repeat(2, 1fr) !important; }
}

@media (max-width: 480px) {
    .ink-btn { width: 100%; }
    .button-group { width: 80%; }
    .theme-input { width: 100% !important; }
    .ending-container { padding: 24px !important; }
    .difficulty-card { width: 100% !important; }
}

/* ══════════════════════════════════════════
   prefers-reduced-motion
   ══════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
    .ink-bg-wash { animation: none !important; }
    .screen { animation: none !important; }
    .ink-btn { animation: none !important; opacity: 1 !important; }
    .difficulty-card, .tone-card, .option-card { animation: none !important; opacity: 1 !important; }
}