:root {
    --bg: #0f1220;
    --bg-alt: #161a2e;
    --accent: #6c5ce7;
    --accent-light: #a29bfe;
    --text: #eef0fa;
    --text-dim: #9aa0c0;
    --card-bg: #1c2140;
    --success: #2ecc71;
    --error: #e74c3c;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
}

.topbar {
    background: var(--bg-alt);
    border-bottom: 1px solid #2a2f52;
    position: sticky;
    top: 0;
    z-index: 10;
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.brand {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
}

.brand span { color: var(--accent-light); }

nav a {
    color: var(--text-dim);
    text-decoration: none;
    margin-left: 20px;
    font-weight: 500;
}

nav a:hover { color: var(--text); }

.btn-nav {
    background: var(--accent);
    color: white !important;
    padding: 8px 16px;
    border-radius: 6px;
}

.hero {
    background: radial-gradient(circle at top left, #24296b, var(--bg));
    padding: 100px 0 80px;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin: 0 0 8px;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-dim);
    margin: 0 0 16px;
}

.meta {
    color: var(--accent-light);
    margin-bottom: 32px;
}

.btn-primary {
    display: inline-block;
    background: var(--accent);
    color: white;
    text-decoration: none;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary:hover { background: #5a4bd4; }

.btn-block { width: 100%; margin-top: 8px; }

.section {
    padding: 60px 0;
    border-top: 1px solid #23264a;
}

.section h2 {
    margin-bottom: 24px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.card {
    background: var(--card-bg);
    border-radius: 10px;
    padding: 20px;
    border: 1px solid #262b4f;
}

.card h3 { margin: 8px 0; }

.card-tag {
    display: inline-block;
    background: var(--accent);
    color: white;
    font-size: 0.75rem;
    padding: 2px 10px;
    border-radius: 12px;
}

.role {
    color: var(--accent-light);
    font-weight: 600;
    margin: 0 0 8px;
}

.auth-section {
    display: flex;
    justify-content: center;
}

.auth-card {
    background: var(--card-bg);
    border: 1px solid #262b4f;
    border-radius: 12px;
    padding: 40px;
    max-width: 400px;
    width: 100%;
}

.auth-card h2 { margin-top: 0; }

.hint {
    color: var(--text-dim);
    font-size: 0.9rem;
}

form label {
    display: block;
    margin: 16px 0 6px;
    font-weight: 600;
}

form input {
    width: 100%;
    padding: 10px 12px;
    border-radius: 6px;
    border: 1px solid #2a2f52;
    background: var(--bg);
    color: var(--text);
    font-size: 1rem;
}

.flash-wrap { padding-top: 20px; }

.flash {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 12px;
    font-weight: 600;
}

.flash-success { background: rgba(46, 204, 113, 0.15); color: var(--success); }
.flash-error { background: rgba(231, 76, 60, 0.15); color: var(--error); }

.footer {
    text-align: center;
    padding: 24px 0;
    color: var(--text-dim);
    border-top: 1px solid #23264a;
}