:root {
    --primary: #0369a1;
    --primary-hover: #046396;
    --bg: #f8fafc;
    --text: #0f172a;
    --text-light: #64748b;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    background: var(--bg);
}

.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-card {
    background: #ffffff;
    border-radius: 18px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 45px rgba(15, 23, 42, .25);
}

.auth-logo {
    font-weight: 800;
    letter-spacing: .08em;
    margin-bottom: 10px;
}

.auth-logo span {
    color: var(--primary);
}

h1 {
    margin: 0 0 8px 0;
}

.auth-subtitle {
    color: var(--text-light);
    margin-bottom: 20px;
}

label {
    font-size: 14px;
    font-weight: 600;
    margin-top: 12px;
    display: block;
}

input {
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid #d1d5db;
    margin-top: 4px;
}

.btn-primary {
    margin-top: 20px;
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    border: none;
    background: var(--primary);
    color: #fff;
    font-weight: 700;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--primary-hover);
}

.alert {
    padding: 10px 14px;
    border-radius: 8px;
    margin-bottom: 14px;
    font-size: 14px;
}

.alert-error {
    background: #fee2e2;
    color: #b91c1c;
}

.alert-info {
    background: #e0f2fe;
    color: #0369a1;
}

.auth-footer {
    margin-top: 16px;
    font-size: 13px;
    text-align: center;
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
}