:root {
    --mitsu-red: #e30613;
    --dark-navy: #2c3e50;
    --light-gray: #f4f7f6;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
}

* { box-sizing: border-box; }
body { font-family: 'Segoe UI', sans-serif; margin: 0; background: var(--light-gray); }

header { 
    background: var(--dark-navy); color: var(--white); padding: 15px 40px; 
    display: flex; justify-content: space-between; align-items: center;
    box-shadow: var(--shadow); position: sticky; top: 0; z-index: 1000;
}
header h2 { color: var(--mitsu-red); margin: 0; font-size: 1.5rem; }
nav a { 
    color: #ecf0f1; text-decoration: none; margin-left: 20px; 
    font-weight: 500; font-size: 14px; transition: 0.3s; padding: 8px 12px; border-radius: 4px;
}
nav a:hover { background: #34495e; color: var(--mitsu-red); }

.container { padding: 40px; width: 100%; max-width: 1200px; margin: auto; }
.card { background: var(--white); padding: 25px; border-radius: 12px; box-shadow: var(--shadow); margin-bottom: 25px; }
table { width: 100%; border-collapse: collapse; background: var(--white); margin-top: 15px; }
th, td { padding: 12px; border-bottom: 1px solid #eee; text-align: left; }
th { background: #f8f9fa; color: #333; font-weight: 600; }

.btn-add { background: var(--mitsu-red); color: white; border: none; padding: 10px 25px; border-radius: 6px; cursor: pointer; font-weight: bold; }
.btn-add:hover { background: #c20510; }
.btn-delete { color: #e30613; text-decoration: none; font-weight: bold; border: 1px solid #e30613; padding: 5px 10px; border-radius: 4px; font-size: 12px; }

/* --- Tambahan untuk Halaman Login (Modern Card) --- */
.login-card {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
    width: 100%;
    max-width: 380px;
    text-align: center;
    border-top: 5px solid var(--mitsu-red); /* Aksen warna brand */
}
.login-card h2 { margin: 0 0 10px 0; font-size: 1.8rem; letter-spacing: 1px; }
.login-card p { color: #888; margin-bottom: 30px; font-size: 0.9rem; }

.input-group { text-align: left; margin-bottom: 20px; }
.input-group label { display: block; margin-bottom: 8px; font-weight: 600; color: #444; font-size: 0.9rem; }
.input-group input {
    width: 100%;
    padding: 14px;
    border: 2px solid #eee;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}
.input-group input:focus {
    border-color: var(--mitsu-red);
    outline: none;
    background: #fff5f5;
}

.login-card button {
    width: 100%;
    padding: 14px;
    background: var(--mitsu-red);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s, background 0.3s;
}
.login-card button:hover {
    background: #c20510;
    transform: translateY(-2px);
}