:root {
    --color-bg: #eef1f8;
    --color-panel: #ffffff;
    --color-primary: #1450a8;
    --color-muted: #6b7280;
    --color-border: #d6d9df;
    font-family: "Inter", "Segoe UI", system-ui, sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: linear-gradient(135deg, #e6ecff, #f4f6fb 45%, #fefefe);
}

.login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-card {
    width: min(420px, 100%);
    background: var(--color-panel);
    border-radius: 16px;
    padding: 36px 32px;
    box-shadow: 0 30px 50px rgba(0, 0, 0, 0.08);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.login-logo {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #0b3c91, #2a7de1);
    padding: 14px;
    border-radius: 18px;
    box-shadow: 0 15px 30px rgba(11, 60, 145, 0.25);
    align-self: center;
}

.login-card h1 {
    margin: 0;
    font-size: 1.9rem;
    color: #0f172a;
}

.login-subtitle {
    margin: 0;
    color: var(--color-muted);
    font-size: 0.95rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: left;
}

.login-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-muted);
}

.login-form input {
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid var(--color-border);
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

.login-form input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(20, 80, 168, 0.18);
}

.login-submit {
    margin-top: 12px;
    padding: 12px;
    border: none;
    border-radius: 12px;
    background: var(--color-primary);
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.login-submit:hover {
    transform: translateY(-1px);
}

.login-errors {
    background: #fff1f0;
    border-radius: 10px;
    border: 1px solid #f5c2c0;
    padding: 10px 14px;
    color: #842029;
    font-size: 0.9rem;
}

.login-errors p {
    margin: 0;
}

.login-hint {
    margin: 0;
    font-size: 0.85rem;
    color: var(--color-muted);
}

.login-hint strong {
    color: var(--color-primary);
}

@media (max-width: 600px) {
    .login-card {
        padding: 28px 20px;
    }
}