:root {
    --bg: #0b1020;
    --surface: rgba(255, 255, 255, 0.06);
    --border: rgba(255, 255, 255, 0.12);
    --text: #e8ebf5;
    --muted: #9aa3bd;
    --accent-1: #7c5cff;
    --accent-2: #00d4ff;
}

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

body {
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    background:
        radial-gradient(circle at 15% 10%, rgba(124, 92, 255, 0.25), transparent 40%),
        radial-gradient(circle at 85% 30%, rgba(0, 212, 255, 0.18), transparent 40%),
        var(--bg);
    background-attachment: fixed;
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

/* Navigation */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px 16px;
    max-width: 1000px;
    margin: 0 auto;
    padding: 24px;
}
.brand { font-weight: 700; font-size: 1.2rem; letter-spacing: 0.5px; }
.nav-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 4px 8px; }
.nav-links a {
    padding: 8px 16px;
    border-radius: 999px;
    color: var(--muted);
    transition: all 0.2s;
}
.nav-links a:hover { color: var(--text); background: var(--surface); }
.nav-links a.active { color: var(--text); background: var(--surface); border: 1px solid var(--border); }

/* Hero */
.hero { text-align: center; padding: 64px 24px 40px; max-width: 760px; margin: 0 auto; }
.badge {
    display: inline-block;
    padding: 4px 14px;
    font-size: 0.8rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface);
    color: var(--accent-2);
    margin-bottom: 20px;
}
.hero h1 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.15; }
.gradient {
    background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.button {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 999px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
    box-shadow: 0 8px 30px rgba(124, 92, 255, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 12px 36px rgba(0, 212, 255, 0.4); }

/* Content */
.container { max-width: 760px; margin: 0 auto; padding: 0 24px 64px; display: flex; flex-direction: column; gap: 32px; }

.panel {
    padding: 28px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    backdrop-filter: blur(10px);
}
.panel h2 { margin-bottom: 20px; font-size: 1.25rem; }

/* Data table */
.data-table { width: 100%; border-collapse: collapse; margin-top: 20px; }
.data-table th, .data-table td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
}
.data-table th { color: var(--muted); font-weight: 600; }

/* Entry form */
.entry-form { display: flex; flex-direction: column; gap: 16px; }
.entry-form label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.9rem;
    color: var(--muted);
}
.entry-form input {
    padding: 10px 14px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    font-size: 1rem;
}
.entry-form input:focus { outline: none; border-color: var(--accent-1); }
.entry-form .button { align-self: flex-start; margin-top: 4px; }
.error-message { color: #ff6b6b; font-size: 0.9rem; }

.footer { text-align: center; padding: 24px; color: var(--muted); font-size: 0.85rem; }