/* ============================================
   🥃 Glassmorphism · Stock Analyzer
   ============================================ */

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

:root {
    --bg-0: #0a0a1a;
    --bg-1: #0f0f23;
    --glass-bg: rgba(255, 255, 255, 0.04);
    --glass-bg-hover: rgba(255, 255, 255, 0.07);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-strong: rgba(255, 255, 255, 0.14);
    --text-0: #f5f7ff;
    --text-1: #c8cce0;
    --text-2: #8a8fa6;
    --text-3: #5a5f78;
    --accent: #7c8cff;
    --accent-2: #b07cff;
    --accent-3: #ff7cd6;
    --gold: #ffd76b;
    --green: #4ade80;
    --red: #ff6b7d;
    --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(124, 140, 255, 0.15);
}

html, body {
    height: 100%;
    background: var(--bg-0);
    color: var(--text-1);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-feature-settings: 'cv11', 'ss01';
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* ===== Aurora background ===== */
.aurora {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(ellipse at top, #1a1a3e 0%, var(--bg-0) 60%);
}

.aurora-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.blob-1 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, #7c8cff, #b07cff);
    top: -200px;
    left: -100px;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #ff7cd6, #ff7c8c);
    bottom: -150px;
    right: -100px;
    animation-delay: -7s;
}

.blob-3 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #4ade80, #7c8cff);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
    opacity: 0.3;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(50px, -30px) scale(1.1); }
    66% { transform: translate(-30px, 40px) scale(0.95); }
}

.blob-1, .blob-2 {
    animation-name: float;
}

.blob-3 {
    animation-name: float-center;
}

@keyframes float-center {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.2); }
}

/* ===== Layout ===== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 48px 24px 32px;
}

/* ===== Hero ===== */
.hero {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 32px;
}

.hero-text {
    max-width: 640px;
}

.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    font-size: 12px;
    color: var(--text-1);
    font-weight: 500;
    margin-bottom: 16px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.7);
    animation: pulse 2s ease-out infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.7); }
    70% { box-shadow: 0 0 0 8px rgba(74, 222, 128, 0); }
    100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0); }
}

.hero h1 {
    font-size: 44px;
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-0);
    margin-bottom: 12px;
}

.grad {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 50%, var(--accent-3) 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: grad-shift 6s ease infinite;
}

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

.subtitle {
    color: var(--text-2);
    font-size: 15px;
    line-height: 1.5;
}

.hero-meta {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 16px 20px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    min-width: 260px;
}

.meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
}

.meta-label {
    font-size: 12px;
    color: var(--text-2);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.meta-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--text-0);
    font-weight: 500;
}

/* ===== Stats Grid ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    position: relative;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 24px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    overflow: hidden;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.3s;
}

.stat-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.04), transparent 50%);
    pointer-events: none;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--glass-border-strong);
}

.stat-card.golden {
    background: linear-gradient(135deg, rgba(255, 215, 107, 0.08), rgba(255, 215, 107, 0.02));
    border-color: rgba(255, 215, 107, 0.2);
}

.stat-card.above {
    background: linear-gradient(135deg, rgba(74, 222, 128, 0.08), rgba(74, 222, 128, 0.02));
    border-color: rgba(74, 222, 128, 0.2);
}

.stat-label {
    font-size: 12px;
    color: var(--text-2);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.stat-value {
    font-size: 40px;
    font-weight: 800;
    line-height: 1;
    color: var(--text-0);
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: -0.02em;
}

.stat-card.golden .stat-value {
    background: linear-gradient(135deg, var(--gold), #ff9b3d);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-card.above .stat-value {
    background: linear-gradient(135deg, var(--green), #4ade80);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-sub {
    font-size: 12px;
    color: var(--text-2);
    margin-top: 8px;
}

/* ===== Toolbar ===== */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

.tabs {
    display: flex;
    gap: 6px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 4px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.tab {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 10px;
    background: transparent;
    border: none;
    color: var(--text-2);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.tab:hover {
    color: var(--text-0);
    background: var(--glass-bg-hover);
}

.tab.active {
    background: linear-gradient(135deg, rgba(124, 140, 255, 0.25), rgba(176, 124, 255, 0.2));
    color: var(--text-0);
    box-shadow: 0 4px 16px rgba(124, 140, 255, 0.2);
}

.refresh-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: linear-gradient(135deg, rgba(124, 140, 255, 0.2), rgba(176, 124, 255, 0.15));
    border: 1px solid rgba(124, 140, 255, 0.3);
    border-radius: 12px;
    color: var(--text-0);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.refresh-btn:hover {
    background: linear-gradient(135deg, rgba(124, 140, 255, 0.3), rgba(176, 124, 255, 0.25));
    transform: translateY(-1px);
}

.refresh-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.refresh-icon {
    display: inline-block;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.refresh-btn.spinning .refresh-icon {
    animation: spin 1s linear infinite;
}

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

/* ===== Table ===== */
.table-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.table-wrap {
    overflow-x: auto;
}

.stock-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 900px;
}

.stock-table thead {
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--glass-border);
}

.stock-table th {
    text-align: left;
    padding: 14px 16px;
    font-size: 11px;
    color: var(--text-2);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    position: sticky;
    top: 0;
    white-space: nowrap;
}

.stock-table th.num,
.stock-table td.num {
    text-align: right;
    font-family: 'JetBrains Mono', monospace;
}

.stock-table tbody tr {
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    transition: background 0.15s;
}

.stock-table tbody tr:last-child {
    border-bottom: none;
}

.stock-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

.stock-table td {
    padding: 14px 16px;
    font-size: 14px;
    color: var(--text-1);
    vertical-align: middle;
}

.col-rank {
    width: 48px;
    color: var(--text-3);
    font-family: 'JetBrains Mono', monospace;
}

.stock-name {
    font-weight: 600;
    color: var(--text-0);
    font-size: 14px;
}

.stock-code {
    font-size: 11px;
    color: var(--text-3);
    font-family: 'JetBrains Mono', monospace;
    margin-top: 2px;
}

.link-naver {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: rgba(3, 199, 90, 0.1);
    border: 1px solid rgba(3, 199, 90, 0.25);
    border-radius: 8px;
    color: #03c75a;
    font-size: 12px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
}

.link-naver:hover {
    background: rgba(3, 199, 90, 0.2);
    transform: translateY(-1px);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-golden {
    background: linear-gradient(135deg, rgba(255, 215, 107, 0.2), rgba(255, 155, 61, 0.15));
    color: var(--gold);
    border: 1px solid rgba(255, 215, 107, 0.3);
}

.badge-above {
    background: rgba(74, 222, 128, 0.12);
    color: var(--green);
    border: 1px solid rgba(74, 222, 128, 0.25);
}

.badge-below {
    background: rgba(255, 107, 125, 0.12);
    color: var(--red);
    border: 1px solid rgba(255, 107, 125, 0.25);
}

.positive {
    color: var(--green);
    font-weight: 600;
}

.negative {
    color: var(--red);
    font-weight: 600;
}

.market-cap {
    font-weight: 600;
    color: var(--text-0);
}

.empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-3);
}

.empty p {
    margin-top: 16px;
    font-size: 14px;
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--accent);
    border-radius: 50%;
    margin: 0 auto;
    animation: spin 0.8s linear infinite;
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 8px;
    opacity: 0.5;
}

/* ===== Footer ===== */
.footnote {
    text-align: center;
    margin-top: 32px;
    color: var(--text-3);
    font-size: 12px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .container {
        padding: 24px 16px;
    }
    .hero h1 {
        font-size: 32px;
    }
    .hide-mobile {
        display: none;
    }
    .stat-value {
        font-size: 32px;
    }
    .stock-table td, .stock-table th {
        padding: 10px 12px;
    }
    .refresh-btn .refresh-label {
        display: none;
    }
}

/* ============================================
   Diff tab styles
   ============================================ */
.diff-header td {
    background: rgba(124, 140, 255, 0.08) !important;
    padding: 14px 16px !important;
    border-top: 1px solid var(--border) !important;
}
.diff-title {
    font-weight: 600;
    font-size: 14px;
    margin-right: 12px;
}
.diff-title.new {
    color: var(--gold, #ffd76b);
}
.diff-title.gone {
    color: var(--text-2, #8a8aa3);
}
.diff-count {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--text-2, #8a8aa3);
    padding: 2px 10px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 12px;
}