* {
    box-sizing: border-box;
}

:root {
    --bg: #0b1020;
    --bg-soft: #121935;
    --card: rgba(18, 25, 53, 0.88);
    --text: #edf2ff;
    --muted: #a9b4d0;
    --line: rgba(255, 255, 255, 0.08);
    --primary: #5f8bff;
    --primary-2: #7ba2ff;
    --danger: #ff8585;
    --success: #7fe0a1;
    --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

html, body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    font-family: Inter, Arial, Helvetica, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(95, 139, 255, 0.18), transparent 30%),
        radial-gradient(circle at bottom right, rgba(123, 162, 255, 0.15), transparent 28%),
        linear-gradient(180deg, #0a0f1f 0%, #0d1328 100%);
    color: var(--text);
}

a {
    color: var(--primary-2);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.site-shell {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
    padding: 24px 0 40px;
}

.site-header,
.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.site-header {
    padding: 10px 0 28px;
}

.site-footer {
    padding-top: 32px;
    color: var(--muted);
    font-size: 0.95rem;
}

.brand {
    font-weight: 800;
    letter-spacing: 0.02em;
    color: var(--text);
    text-decoration: none;
}

.nav {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.hero,
.auth-wrap,
.dashboard-wrap {
    display: block;
}

.hero-card {
    padding: 40px;
    margin-bottom: 24px;
}

.card,
.panel {
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--card);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

.card {
    padding: 28px;
}

.panel {
    padding: 22px;
}

.hero-card h1,
.auth-card h1,
.dashboard-wrap h1 {
    margin: 10px 0 12px;
    line-height: 1.15;
    font-size: clamp(2rem, 5vw, 3.3rem);
}

.hero-card p,
.auth-card p,
.dashboard-wrap p,
.card p,
.panel p {
    color: var(--muted);
    line-height: 1.65;
}

.grid {
    display: grid;
    gap: 20px;
}

.grid.three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(95, 139, 255, 0.14);
    border: 1px solid rgba(95, 139, 255, 0.28);
    color: #c8d6ff;
    font-size: 0.92rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 22px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 18px;
    border-radius: 12px;
    border: 1px solid rgba(95, 139, 255, 0.4);
    background: linear-gradient(180deg, var(--primary-2) 0%, var(--primary) 100%);
    color: white;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
}

.btn:hover {
    text-decoration: none;
    filter: brightness(1.05);
}

.btn-secondary {
    background: transparent;
    border-color: var(--line);
    color: var(--text);
}

.btn-sm {
    padding: 10px 14px;
}

.auth-wrap {
    display: flex;
    justify-content: center;
    padding-top: 30px;
}

.auth-card {
    width: min(100%, 560px);
}

.form-stack {
    display: grid;
    gap: 16px;
    margin-top: 18px;
}

label {
    display: grid;
    gap: 8px;
}

label span {
    font-weight: 700;
    color: var(--text);
}

input {
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    padding: 14px 15px;
    font-size: 1rem;
    outline: none;
}

input:focus {
    border-color: rgba(123, 162, 255, 0.55);
    box-shadow: 0 0 0 4px rgba(123, 162, 255, 0.12);
}

.muted {
    color: var(--muted);
}

.alert {
    margin: 16px 0;
    border-radius: 14px;
    padding: 14px 16px;
    border: 1px solid transparent;
}

.alert ul {
    margin: 0;
    padding-left: 20px;
}

.alert-error {
    background: rgba(255, 133, 133, 0.1);
    border-color: rgba(255, 133, 133, 0.25);
    color: #ffd0d0;
}

.alert-success {
    background: rgba(127, 224, 161, 0.1);
    border-color: rgba(127, 224, 161, 0.25);
    color: #cbf5d7;
}

.auth-foot {
    margin-top: 16px;
}

.meta {
    display: grid;
    gap: 14px;
}

.meta div {
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
}

.meta dt {
    color: var(--muted);
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.meta dd {
    margin: 0;
    font-weight: 700;
}

.clean-list {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
    line-height: 1.8;
}

@media (max-width: 860px) {
    .grid.three,
    .grid.two {
        grid-template-columns: 1fr;
    }

    .site-header,
    .site-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-card {
        padding: 28px;
    }

    .card,
    .panel {
        padding: 22px;
    }
}