/* ============================================
   夜择 - 自定义样式
   Tailwind CSS 通过 CDN 加载
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700;900&display=swap');

body {
    font-family: 'Noto Sans SC', sans-serif;
    background-color: #020617;
    color: #cbd5e1;
    overflow-x: hidden;
    user-select: none;
}

/* Glassmorphism UI */
.glass-panel {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
}

/* ============================================
   Animations
   ============================================ */

.tag-badge {
    transition: all 0.3s ease;
    animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) backwards;
}

.tag-reveal {
    animation: flipIn 0.6s ease;
}

@keyframes popIn {
    from { opacity: 0; transform: scale(0.8) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes flipIn {
    0% { transform: rotateX(90deg); opacity: 0; }
    100% { transform: rotateX(0deg); opacity: 1; }
}

@keyframes pulse-stress {
    0%, 100% { box-shadow: 0 0 0 0 rgba(124, 58, 237, 0); }
    50% { box-shadow: 0 0 15px 2px rgba(124, 58, 237, 0.3); }
}

@keyframes panic-shake {
    0% { transform: translate(1px, 1px) rotate(0deg); }
    10% { transform: translate(-1px, -2px) rotate(-1deg); }
    20% { transform: translate(-3px, 0px) rotate(1deg); }
    30% { transform: translate(3px, 2px) rotate(0deg); }
    40% { transform: translate(1px, -1px) rotate(1deg); }
    50% { transform: translate(-1px, 2px) rotate(-1deg); }
    60% { transform: translate(-3px, 1px) rotate(0deg); }
    70% { transform: translate(3px, 1px) rotate(-1deg); }
    80% { transform: translate(-1px, -1px) rotate(1deg); }
    90% { transform: translate(1px, 2px) rotate(0deg); }
    100% { transform: translate(1px, -2px) rotate(-1deg); }
}

.stress-pulse { animation: pulse-stress 3s infinite; }
.panic-mode { animation: panic-shake 0.5s infinite; filter: blur(0.5px) contrast(1.2); }
.blur-text { color: transparent; text-shadow: 0 0 8px rgba(255,255,255,0.7); }

/* ============================================
   Button States
   ============================================ */

.btn-disabled {
    opacity: 0.5;
    cursor: not-allowed;
    filter: grayscale(100%);
    position: relative;
}
.btn-disabled::after {
    content: "";
    position: absolute;
    top: 50%; left: 10%; right: 10%; height: 2px;
    background: rgba(255,255,255,0.4);
    transform: rotate(-3deg);
}

/* ============================================
   Avatar Float
   ============================================ */

.avatar-float { animation: float 6s ease-in-out infinite; }
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

/* ============================================
   Custom Scrollbar
   ============================================ */

.custom-scroll::-webkit-scrollbar { width: 4px; }
.custom-scroll::-webkit-scrollbar-track { background: rgba(0,0,0,0.2); }
.custom-scroll::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 2px; }

/* ============================================
   Disease Education Accordion
   ============================================ */

.edu-accordion {
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 0.75rem;
    overflow: hidden;
    margin-bottom: 0.5rem;
    background: rgba(15, 23, 42, 0.6);
}

.edu-accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: background-color 0.2s;
    user-select: auto;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.edu-accordion-header:hover {
    background: rgba(255, 255, 255, 0.03);
}

.edu-accordion-header .arrow {
    transition: transform 0.3s ease;
    font-size: 0.75rem;
    opacity: 0.5;
}

.edu-accordion.open .edu-accordion-header .arrow {
    transform: rotate(180deg);
}

.edu-accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.edu-accordion.open .edu-accordion-body {
    max-height: 2000px;
}

.edu-accordion-content {
    padding: 1rem 1rem 1rem 1rem;
    font-size: 0.8rem;
    line-height: 1.7;
    color: #cbd5e1;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.edu-reference {
    display: inline-block;
    margin-top: 0.25rem;
    font-size: 0.7rem;
    color: #7dd3fc;
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color 0.2s;
}

.edu-reference:hover {
    color: #38bdf8;
}

.edu-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.edu-badge-danger  { background: rgba(239,68,68,0.2);  color: #fca5a5; border: 1px solid rgba(239,68,68,0.3); }
.edu-badge-warn   { background: rgba(245,158,11,0.2); color: #fcd34d; border: 1px solid rgba(245,158,11,0.3); }
.edu-badge-info   { background: rgba(59,130,246,0.2); color: #93c5fd; border: 1px solid rgba(59,130,246,0.3); }
.edu-badge-safe   { background: rgba(16,185,129,0.2); color: #6ee7b7; border: 1px solid rgba(16,185,129,0.3); }

/* ============================================
   Tag Clue 交互：Portal 浮层（统一桌面/移动端）
   tooltip 渲染到 body 层级，position:fixed 避免遮挡
   ============================================ */

.clue-dot {
    transition: background-color 0.15s;
    cursor: pointer;
}

/* Portal tooltip — 渲染到 document.body */
.clue-tooltip {
    position: fixed;
    z-index: 9999;
    max-width: min(240px, calc(100vw - 16px));
    background: rgba(15, 23, 42, 0.98);
    border: 1px solid rgba(251, 191, 36, 0.4);
    border-radius: 0.75rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.7rem;
    line-height: 1.5;
    color: #fde68a;
    box-shadow: 0 8px 24px rgba(0,0,0,0.6);
    white-space: normal;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.clue-tooltip.clue-tooltip-visible {
    opacity: 1;
}

.clue-tooltip-body {
    display: block;
}

/* 小三角箭头（默认朝下 = tooltip 在上方） */
.clue-tooltip-arrow {
    position: absolute;
    top: 100%;
    display: block;
    border: 6px solid transparent;
    border-top-color: rgba(251, 191, 36, 0.4);
    transition: left 0.15s ease;
}

/* 翻转：tooltip 在锚点下方时，箭头朝上 */
.clue-tooltip.clue-tooltip-flip .clue-tooltip-arrow {
    top: auto;
    bottom: 100%;
    border-top-color: transparent;
    border-bottom-color: rgba(251, 191, 36, 0.4);
}

/* ============================================
   Responsive: Desktop (lg+)
   ============================================ */

@media (min-width: 1024px) {
    .edu-accordion-content {
        font-size: 0.9rem;
        line-height: 1.8;
    }

    .edu-accordion-header {
        padding: 1rem 1.25rem;
    }

    .edu-accordion-content {
        padding: 1rem 1.25rem 1.25rem 1.25rem;
    }
}