:root {
    /* Dark Mode — Deep Space Purple (K-pop demon hunter vibes) */
    --bg-color: #08000f;
    --text-color: #f0e6ff;
    --border-color: rgba(180, 140, 255, 0.25);
    --accent-color: #c9a8ff;       /* lavender */
    --accent-pink: #ff9ec4;        /* soft pink */
    --accent-gold: #d4af37;        /* keep gold for fortune text */
    --glow-purple: rgba(160, 100, 255, 0.18);
    --glow-pink: rgba(255, 120, 180, 0.12);
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;
    --input-bg: transparent;
}

[data-theme="light"] {
    --bg-color: #fdf5ff;
    --text-color: #1a0030;
    --border-color: rgba(140, 80, 220, 0.2);
    --accent-color: #8b5cf6;
    --accent-pink: #ec4899;
    --accent-gold: #7c5f1a;
    --glow-purple: rgba(139, 92, 246, 0.1);
    --glow-pink: rgba(236, 72, 153, 0.07);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-sans);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color 0.5s ease, color 0.5s ease;
}

/* Background ambient glow orbs */
.glow-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(90px);
    pointer-events: none;
    z-index: 0;
}
.glow-1 {
    width: 400px;
    height: 400px;
    background: var(--glow-purple);
    top: -100px;
    right: -100px;
}
.glow-2 {
    width: 300px;
    height: 300px;
    background: var(--glow-pink);
    bottom: 100px;
    left: -80px;
}

.app-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

/* ── Header ── */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 3rem;
}

.logo {
    font-family: var(--font-serif);
    font-weight: 900;
    font-size: 1.2rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-tag {
    font-size: 0.65rem;
    letter-spacing: 2px;
    color: var(--accent-pink);
    opacity: 0.8;
}

.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    font-size: 0.7rem;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-sans);
}
.theme-toggle:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* ── Main Content ── */
.content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.badge {
    font-size: 0.65rem;
    letter-spacing: 4px;
    color: var(--accent-pink);
    margin-bottom: 1.2rem;
    opacity: 0.9;
}

.main-title {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 10vw, 5rem);
    font-weight: 400;
    line-height: 1;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-color) 40%, var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.main-title i {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
}

.subtitle {
    font-size: 0.9rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: 0.4rem;
}
.subtitle-en {
    font-size: 0.78rem;
    letter-spacing: 2px;
    color: var(--accent-pink);
    opacity: 0.75;
    margin-bottom: 3.5rem;
    font-style: italic;
}

/* ── Input Section ── */
.input-section {
    width: 100%;
    max-width: 440px;
    margin-bottom: 4rem;
}

.input-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.input-group.secondary {
    grid-template-columns: 1fr 1fr;
    margin-bottom: 2.5rem;
}

.field-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
}

input {
    width: 100%;
    background: var(--input-bg);
    border: none;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 1rem 0.5rem;
    text-align: center;
    font-size: 1.1rem;
    font-family: var(--font-sans);
    font-weight: 300;
    outline: none;
    transition: all 0.3s ease;
    text-transform: uppercase;
}
input::-webkit-input-placeholder { color: var(--accent-color) !important; opacity: 0.7 !important; -webkit-text-fill-color: var(--accent-color) !important; font-size: 0.9rem; }
input::-moz-placeholder          { color: var(--accent-color) !important; opacity: 0.7 !important; font-size: 0.9rem; }
input::placeholder                { color: var(--accent-color) !important; opacity: 0.7 !important; -webkit-text-fill-color: var(--accent-color) !important; font-size: 0.9rem; }
input:focus {
    border-bottom-color: var(--accent-pink);
    transform: translateY(-2px);
}

.action-btn {
    width: 100%;
    background: linear-gradient(135deg, #3b0068, #1a003a);
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
    padding: 1.5rem;
    font-size: 0.95rem;
    font-family: var(--font-serif);
    font-weight: 700;
    letter-spacing: 3px;
    cursor: pointer;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}
.action-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-pink));
    opacity: 0;
    transition: opacity 0.4s ease;
}
.action-btn:hover {
    letter-spacing: 5px;
    color: #08000f;
    border-color: var(--accent-pink);
}
.action-btn:hover::after {
    opacity: 1;
}
.action-btn span {
    position: relative;
    z-index: 1;
}

/* ── Display Area ── */
#display-area {
    width: 100%;
    min-height: 300px;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 3rem;
}

.placeholder-text {
    font-size: 0.8rem;
    letter-spacing: 2px;
    color: var(--accent-color);
    opacity: 0.8;
    text-transform: uppercase;
}

/* ── Fortune Result ── */
.fortune-container {
    animation: fadeIn 1s ease-out;
}

.fortune-meta {
    font-size: 0.7rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent-pink);
    margin-bottom: 1.5rem;
}

.fortune-result {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    line-height: 1.4;
    font-weight: 400;
    margin-bottom: 0.8rem;
    word-break: keep-all;
    cursor: pointer;
    transition: color 0.3s;
}
.fortune-result:hover {
    color: var(--accent-color);
}

.fortune-tap-hint {
    font-size: 0.72rem;
    letter-spacing: 2px;
    color: var(--accent-color);
    opacity: 0.7;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

/* ── Menu Recommendation ── */
.menu-content {
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px dashed var(--border-color);
    animation: slideUp 0.8s ease-out;
}

.witty-reason {
    font-size: 1.05rem;
    color: var(--text-color);
    margin-bottom: 2.5rem;
    word-break: keep-all;
    font-weight: 300;
    opacity: 0.9;
    font-style: italic;
    line-height: 1.7;
}
.witty-reason::before, .witty-reason::after {
    content: '"';
    color: var(--accent-pink);
    font-family: var(--font-serif);
    font-size: 1.5rem;
}

.menu-label {
    font-size: 0.65rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    opacity: 0.5;
    margin-bottom: 1rem;
    display: block;
}

.menu-name {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-style: italic;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.menu-decoration {
    margin-top: 1rem;
    font-size: 1.5rem;
    opacity: 0.4;
}

/* ── K-pop Cards ── */
.kpop-cards {
    display: grid;
    grid-template-columns: 1fr 1fr 2fr;
    gap: 0.75rem;
    margin: 2rem 0 1.5rem;
}

.kcard {
    border: 1px solid var(--border-color);
    padding: 1.2rem 1rem;
    background: linear-gradient(135deg, rgba(59,0,104,0.2), rgba(26,0,58,0.25));
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
    animation: fadeIn 0.8s ease-out 0.3s both;
}

.kcard-label {
    font-size: 0.6rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent-pink);
    opacity: 0.8;
}

.color-swatch {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.15);
    box-shadow: 0 0 12px rgba(201,168,255,0.3);
}

.kcard-value {
    font-size: 0.78rem;
    color: var(--text-color);
    opacity: 0.9;
    font-weight: 400;
}

.kcard-big {
    font-family: var(--font-serif);
    font-size: 2.4rem;
    font-style: italic;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.idol-card {
    align-items: flex-start;
    text-align: left;
}

.kcard-idol-name {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent-color);
    letter-spacing: 0.5px;
}

.kcard-idol-vibe {
    font-size: 0.75rem;
    color: var(--text-color);
    opacity: 0.7;
    line-height: 1.5;
    font-style: italic;
}

/* ── K-pop Vibe Box ── */
.kpop-vibe-box {
    border-left: 2px solid var(--accent-pink);
    padding: 0.8rem 1.2rem;
    margin: 0 0 2rem;
    background: rgba(255,158,196,0.05);
    animation: fadeIn 0.8s ease-out 0.5s both;
}

.kpop-vibe-text {
    font-size: 0.88rem;
    color: var(--text-color);
    opacity: 0.85;
    font-style: italic;
    line-height: 1.6;
    text-align: left;
}

/* ── Footer Privacy Link ── */
.footer-privacy {
    margin-top: 0.8rem;
}
.footer-privacy a {
    font-size: 0.6rem;
    letter-spacing: 2px;
    color: var(--accent-color);
    opacity: 0.4;
    text-decoration: none;
    text-transform: uppercase;
}
.footer-privacy a:hover { opacity: 0.8; }

/* ── Responsive: K-pop Cards ── */
@media (max-width: 600px) {
    .kpop-cards {
        grid-template-columns: 1fr 1fr;
    }
    .idol-card {
        grid-column: 1 / -1;
        align-items: center;
        text-align: center;
    }
}

/* ── Shopee Section ── */
.shopee-section {
    margin-top: 2.5rem;
    padding: 2rem;
    border: 1px solid var(--border-color);
    background: linear-gradient(135deg, rgba(59,0,104,0.25), rgba(26,0,58,0.3));
    animation: fadeIn 0.8s ease-out 0.2s both;
}

.shopee-hint {
    font-size: 0.82rem;
    color: var(--text-color);
    opacity: 0.65;
    margin-bottom: 1.2rem;
    font-style: italic;
    letter-spacing: 0.5px;
}

.shopee-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
    padding: 1.1rem 1.4rem;
    background: linear-gradient(135deg, rgba(201,168,255,0.12), rgba(255,158,196,0.08));
    border: 1px solid var(--accent-color);
    color: var(--text-color);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
}
.shopee-btn:hover {
    background: linear-gradient(135deg, rgba(201,168,255,0.22), rgba(255,158,196,0.15));
    border-color: var(--accent-pink);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(160,100,255,0.15);
}

.shopee-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.shopee-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.shopee-main {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent-color);
    letter-spacing: 0.5px;
}

.shopee-sub {
    font-size: 0.7rem;
    letter-spacing: 1.5px;
    color: var(--accent-pink);
    opacity: 0.8;
    text-transform: uppercase;
}

.shopee-arrow {
    font-size: 1.2rem;
    color: var(--accent-pink);
    opacity: 0.7;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}
.shopee-btn:hover .shopee-arrow {
    transform: translateX(4px);
    opacity: 1;
}

.shopee-disclosure {
    margin-top: 0.8rem;
    font-size: 0.6rem;
    color: var(--text-color);
    opacity: 0.3;
    letter-spacing: 0.5px;
}

/* ── Share Section ── */
.share-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    animation: fadeIn 1s ease-out 0.4s both;
}

.share-label {
    font-size: 0.65rem;
    letter-spacing: 4px;
    color: var(--accent-color);
    text-transform: uppercase;
    opacity: 0.8;
}

.share-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
}

.share-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.2rem;
    font-size: 0.75rem;
    letter-spacing: 2px;
    font-family: var(--font-sans);
    font-weight: 700;
    cursor: pointer;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-color);
    transition: all 0.3s ease;
    text-decoration: none;
    text-transform: uppercase;
}
.share-btn:hover {
    transform: translateY(-2px);
}
.share-btn.twitter {
    border-color: #1d9bf0;
    color: #1d9bf0;
}
.share-btn.twitter:hover {
    background: #1d9bf0;
    color: #fff;
}
.share-btn.copy {
    border-color: var(--accent-color);
    color: var(--accent-color);
}
.share-btn.copy:hover {
    background: var(--accent-color);
    color: var(--bg-color);
}
.share-btn.copy.copied {
    border-color: #4ade80;
    color: #4ade80;
}

/* ── Animations ── */
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Stars ── */
.stars-container {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 0;
}

/* ── Footer ── */
footer {
    padding-top: 4rem;
    text-align: center;
}
.footer-line {
    width: 40px;
    height: 1px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-pink));
    margin: 0 auto 1.5rem;
}
footer p {
    font-size: 0.6rem;
    letter-spacing: 2px;
    opacity: 0.35;
}
.footer-sub {
    margin-top: 0.5rem;
    font-style: italic;
    color: var(--accent-pink);
    opacity: 0.4 !important;
}

/* ── Responsive ── */
@media (max-width: 600px) {
    .main-title { font-size: 3rem; }
    .app-container { padding: 1.5rem; }
    .fortune-result { font-size: 1.4rem; }
    .menu-name { font-size: 2rem; }
}