:root {
    --login-bg: #f1f5fb;
    --login-surface: #ffffff;
    --login-text: #14293f;
    --login-muted: #5b6f86;
    --login-line: #d2deec;
    --login-brand: #0f4f83;
    --login-brand-dark: #0a365b;
    --login-accent: #0b97b8;
    --login-error-bg: #fff2f2;
    --login-error-line: #ecb8b8;
    --login-error-text: #9b2a2a;
    --login-success-bg: #eaf9ef;
    --login-success-line: #9fd2b1;
    --login-success-text: #1d6137;
}

.login-page {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--login-text);
    background:
        radial-gradient(80rem 80rem at -18% -22%, #dbe8f9 0%, transparent 60%),
        radial-gradient(80rem 80rem at 116% 125%, #ddf3fb 0%, transparent 58%),
        var(--login-bg);
    font-family: "Plus Jakarta Sans", "Manrope", "Noto Sans", sans-serif;
    padding: 24px 16px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--login-surface);
    border: 1px solid var(--login-line);
    border-radius: 20px;
    box-shadow: 0 18px 35px rgba(8, 39, 66, 0.08);
    overflow: hidden;
}

.login-header {
    padding: 32px 32px 0;
    text-align: center;
}

.login-logo {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: linear-gradient(140deg, var(--login-brand) 0%, var(--login-accent) 100%);
    color: #ffffff;
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.login-header h1 {
    margin: 0 0 4px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--login-brand-dark);
}

.login-header p {
    margin: 0;
    font-size: 0.92rem;
    color: var(--login-muted);
}

.login-body {
    padding: 28px 32px 32px;
}

.login-alert-error {
    margin: 0 0 16px;
    padding: 10px 14px;
    border: 1px solid var(--login-error-line);
    border-radius: 10px;
    background: var(--login-error-bg);
    color: var(--login-error-text);
    font-size: 0.9rem;
}

.login-alert-success {
    margin: 0 0 16px;
    padding: 10px 14px;
    border: 1px solid var(--login-success-line);
    border-radius: 10px;
    background: var(--login-success-bg);
    color: var(--login-success-text);
    font-size: 0.9rem;
}

.login-field {
    margin-bottom: 16px;
}

.login-field label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
    font-weight: 650;
    color: #1b486f;
}

.login-field input {
    width: 100%;
    box-sizing: border-box;
    border: 1px solid #b9cce0;
    border-radius: 10px;
    padding: 11px 14px;
    font-size: 0.95rem;
    color: var(--login-text);
    background: #ffffff;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.login-field input:focus {
    outline: none;
    border-color: #2f86bd;
    box-shadow: 0 0 0 3px rgba(47, 134, 189, 0.18);
}

.login-submit {
    width: 100%;
    border: 0;
    border-radius: 10px;
    background: linear-gradient(140deg, var(--login-brand) 0%, #0d7aa9 100%);
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    padding: 12px 18px;
    cursor: pointer;
    box-shadow: 0 8px 16px rgba(10, 83, 126, 0.22);
    transition: background 0.15s ease;
}

.login-submit:hover {
    background: linear-gradient(140deg, #0b3f6a 0%, #0b6289 100%);
}

.login-footer {
    margin-top: 20px;
    text-align: center;
    font-size: 0.84rem;
    color: var(--login-muted);
}

@media (max-width: 480px) {
    .login-card {
        border-radius: 14px;
    }

    .login-header {
        padding: 24px 20px 0;
    }

    .login-body {
        padding: 22px 20px 24px;
    }
}