:root {
    --primary: #183f68;
    --primary-dark: #123352;
    --secondary: #d4ae3f;
    --secondary-dark: #b89128;
    --background: #eef3f7;
    --card: #ffffff;
    --text: #17324d;
    --muted: #718096;
    --border: #ccd8e3;
    --danger: #b42318;
    --danger-bg: #feecec;
    --success: #18794e;
    --success-bg: #e8f7ef;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: Arial, Tahoma, sans-serif;
    background: var(--background);
    color: var(--text);
}

a {
    color: inherit;
}

.auth-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background:
        linear-gradient(
            135deg,
            rgba(18, 51, 82, 0.98),
            rgba(31, 82, 124, 0.92)
        );
}

.auth-card {
    width: min(430px, 100%);
    padding: 36px;
    background: var(--card);
    border-radius: 22px;
    box-shadow: 0 22px 60px rgba(0, 0, 0, 0.25);
}

.auth-logo {
    width: 76px;
    height: 76px;
    margin: 0 auto 18px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    font-size: 30px;
    font-weight: 800;
}

.auth-title {
    margin: 0;
    text-align: center;
    font-size: 30px;
    color: var(--primary);
}

.auth-subtitle {
    margin: 8px 0 28px;
    text-align: center;
    color: var(--muted);
}

.form-group {
    margin-bottom: 18px;
}

.form-label {
    display: block;
    margin-bottom: 7px;
    font-weight: 700;
}

.form-control {
    width: 100%;
    min-height: 48px;
    padding: 11px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: white;
    font-size: 16px;
    outline: none;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(24, 63, 104, 0.13);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 11px 20px;
    border: 0;
    border-radius: 10px;
    background: var(--primary);
    color: white;
    text-decoration: none;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
}

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

.btn-block {
    width: 100%;
}

.btn-gold {
    background: var(--secondary);
    color: var(--primary-dark);
}

.btn-gold:hover {
    background: var(--secondary-dark);
}

.alert {
    margin-bottom: 18px;
    padding: 13px 15px;
    border-radius: 10px;
    font-size: 14px;
}

.alert-error {
    background: var(--danger-bg);
    color: var(--danger);
}

.alert-success {
    background: var(--success-bg);
    color: var(--success);
}

.page-header {
    min-height: 68px;
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--primary);
    color: white;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.13);
}

.brand {
    font-size: 20px;
    font-weight: 800;
}

.header-user {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logout-link {
    padding: 8px 14px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.14);
    color: white;
    text-decoration: none;
}

.page-container {
    width: min(1180px, calc(100% - 32px));
    margin: 30px auto;
}

.welcome-card {
    padding: 28px;
    background: white;
    border-radius: 18px;
    box-shadow: 0 8px 25px rgba(22, 50, 77, 0.08);
}

.welcome-card h1 {
    margin-top: 0;
    color: var(--primary);
}

.dashboard-grid {
    margin-top: 24px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.dashboard-card {
    padding: 22px;
    background: white;
    border-radius: 15px;
    border-top: 5px solid var(--secondary);
    box-shadow: 0 7px 22px rgba(22, 50, 77, 0.07);
}

.dashboard-card h3 {
    margin: 0 0 9px;
    color: var(--primary);
}

.dashboard-card p {
    margin: 0;
    color: var(--muted);
}

.footer {
    padding: 25px;
    text-align: center;
    color: var(--muted);
    font-size: 13px;
}

.help-text {
    margin-top: 16px;
    text-align: center;
    color: var(--muted);
    font-size: 13px;
}

@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .page-header {
        padding: 14px 18px;
        align-items: flex-start;
        gap: 12px;
        flex-direction: column;
    }

    .header-user {
        width: 100%;
        justify-content: space-between;
    }

    .auth-card {
        padding: 28px 22px;
    }
}