:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #3b82f6;
    --success: #10b981;
    --danger: #ef4444;
    --border: #334155;
    --font-main: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navbar */
.navbar {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
}
.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo { font-weight: 700; font-size: 1.5rem; letter-spacing: -0.05em; }

/* Buttons */
.btn {
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}
.btn-primary {
    background-color: var(--accent);
    color: white;
}
.btn:hover { opacity: 0.9; }

/* Hero */
.hero {
    padding: 4rem 0;
    text-align: center;
}
.hero h1 { font-size: 2.5rem; margin-bottom: 0.5rem; }
.hero p { color: var(--text-secondary); font-size: 1.1rem; }

/* Table */
.ratings-feed { padding-bottom: 4rem; }
.feed-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 1rem;
}
#last-update-time { color: var(--text-secondary); font-size: 0.9rem; }

.table-responsive {
    overflow-x: auto;
    background-color: var(--card-bg);
    border-radius: 8px;
    border: 1px solid var(--border);
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th {
    background-color: rgba(255,255,255,0.05);
    color: var(--text-secondary);
    padding: 1rem;
    font-weight: 600;
    font-size: 0.9rem;
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

tr:last-child td { border-bottom: none; }

.ticker { font-weight: 700; color: var(--accent); }
.score-positive { color: var(--success); }
.score-negative { color: var(--danger); }
.tag {
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}
.tag-qualified { background-color: rgba(16, 185, 129, 0.2); color: var(--success); }
.tag-unqualified { background-color: rgba(148, 163, 184, 0.1); color: var(--text-secondary); }
.loading-row { text-align: center; color: var(--text-secondary); padding: 2rem; }