/* Reset & base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html,
body {
    height: 100%;
    background-color: #b00000; /* merah tua seluruh halaman */
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Pusat kartu: vertikal & horizontal */
.login-wrapper {
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
}

/* Kartu login putih — tengah layar, sudut melengkung, bayangan */
.login-card {
    background-color: #ffffff;
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
    padding: 32px 36px 36px;
    border-radius: 16px;
    box-shadow:
        0 2px 8px rgba(0, 0, 0, 0.12),
        0 8px 24px rgba(0, 0, 0, 0.18),
        0 20px 48px rgba(0, 0, 0, 0.2);
    text-align: center;
}

/* Logo — ukuran proporsional, tidak terlalu besar */
.logo-section {
    margin-bottom: 16px;
}

.school-logo {
    width: 20px;
    height: 20px;
    max-width: 20px;
    max-height: 20px;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

/* Judul — semua teks di dalam kartu putih (.login-card) */
.title-main {
    font-size: 0.95rem;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.45;
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.title-school {
    font-size: 0.85rem;
    font-weight: 600;
    color: #333333;
    margin-bottom: 24px;
    letter-spacing: 0.03em;
}

/* Form */
.login-form {
    text-align: left;
}

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

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: #222222;
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    padding: 10px 12px;
    font-size: 0.95rem;
    border: 1px solid #cccccc;
    border-radius: 4px;
    background-color: #fafafa;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    background-color: #ffffff;
}

.form-group input::placeholder {
    color: #999999;
}

/* Tombol Login biru besar */
.btn-login {
    width: 100%;
    margin-top: 8px;
    padding: 14px 20px;
    font-size: 1.05rem;
    font-weight: 700;
    color: #ffffff;
    background-color: #1d4ed8;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    letter-spacing: 0.04em;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.btn-login:hover {
    background-color: #1e40af;
}

.btn-login:active {
    transform: scale(0.98);
}

/* Responsif layar kecil */
@media (max-width: 480px) {
    .login-card {
        padding: 28px 24px 32px;
        border-radius: 10px;
    }

    .school-logo {
        width: 20px;
        height: 20px;
        max-width: 20px;
        max-height: 20px;
    }

    .title-main {
        font-size: 0.88rem;
    }

    .title-school {
        font-size: 0.8rem;
    }
}