:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --bg: #f4f7fb;
    --text: #111827;
    --muted: #6b7280;
    --card: #ffffff;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

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

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--card);
    border-radius: 24px;
    padding: 28px;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 28px;
}

.brand-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary), #38bdf8);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: bold;
    font-size: 24px;
}

.brand h1 {
    margin: 0;
    font-size: 26px;
    font-weight: 700;
}

.brand p {
    margin: 2px 0 0;
    font-size: 14px;
    color: var(--muted);
}

.form-label {
    font-size: 14px;
    font-weight: 600;
}

.form-control {
    height: 48px;
    border-radius: 14px;
    border: 1px solid #dbe2ea;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.15);
}

.btn-primary {
    height: 50px;
    border-radius: 14px;
    background: var(--primary);
    border: none;
    font-weight: 600;
}

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

.login-footer {
    margin-top: 20px;
    text-align: center;
}

.login-footer a {
    font-size: 14px;
    color: var(--primary);
    text-decoration: none;
}