/* =================================
   Reset & Global Styles
   ================================= */
:root {
    --primary-color: #2893db;  
    --secondary-color: #2c3e50; /* Biru Gelap (Navbar/Footer) */
    --accent-color: #e74c3c;    /* Merah Lembut (Tombol Register) */
    --danger-color: #e74c3c;    /* Merah untuk Error */
    --light-bg: #f8f9fa;       /* Putih Gading (Latar Belakang Body) */
    --text-color: #34495e;     /* Abu-abu Arang (Teks) */
    --border-color: #e9ecef;   /* Warna Border */
    --card-bg: #ffffff;        /* Latar Belakang Kartu */
}

body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background-color: var(--light-bg);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    font-weight: 300;

        background-image: 
        /* Overlay warna gelap semi-transparan */
        linear-gradient(rgba(107, 113, 119, 0.851), rgba(107, 113, 119, 0.851)),
        /* Gambar pola Anda */
        url('../images/medical_pattern.jpg');
    
    background-repeat: repeat; /* Mengulang gambar sebagai pola */
    background-size: 250px; /* Opsional: Samakan ukuran polanya */
}

main.main-content {
    flex: 1;
    padding: 40px 20px;
}

/* =================================
   Navbar & Footer
   ================================= */
.navbar {
    background-color: var(--secondary-color); /* Fallback color */
    
    /* === TAMBAHAN UNTUK LATAR BELAKANG GAMBAR === */
    background-image: 
        /* Lapisan warna gelap semi-transparan untuk keterbacaan teks */
        linear-gradient(#dededed9, #dededed9),
        /* Gambar pola Anda */
        url('../images/medical_pattern.jpg');
    
    background-repeat: repeat; /* Mengulang gambar sebagai pola */
    background-size: 250px; /* Opsional: Atur ukuran ikon pada pola */
    /* =========================================== */

    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}
/* Atur gaya untuk gambar logo di dalam div .logo */
.navbar .logo img {
    height: 50px; /* Atur tinggi logo, misalnya 50 pixel */
    width: auto;  /* Biarkan lebar menyesuaikan secara proporsional */
    display: block; /* Praktik terbaik untuk gambar */
}
.navbar ul {
    list-style: none; margin: 0; padding: 0; display: flex; gap: 25px;
}
.navbar ul li a {
    color: rgb(32, 32, 32); text-decoration: none; font-weight: 500; transition: color 0.3s;
}
.navbar ul li a:hover {
    color: var(--accent-color);
}


.footer {
    text-align: center; padding: 20px; background-color: var(--secondary-color);
    color: rgb(173, 173, 173); margin-top: auto; font-size: 0.9em;

    background-image: 
        /* Overlay warna gelap semi-transparan */
        linear-gradient(#161616d9, #161616d9),
        /* Gambar pola Anda */
        url('../images/medical_pattern.jpg');
    
    background-repeat: repeat; /* Mengulang gambar sebagai pola */
    background-size: 250px; /* Opsional: Samakan ukuran polanya */
    /* =============================================== */
}

/* =================================
   Card & Container
   ================================= */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px;
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.07);
    border: 1px solid var(--border-color);

}

.page-header {
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 30px;
    padding-bottom: 15px;
}
.page-header h2 {
    font-size: 28px;
    font-weight: 500;
    margin: 0;
    color: var(--secondary-color);
}

/* =================================
   Forms & Buttons
   ================================= */
form label {
    display: block; margin-bottom: 8px; font-weight: 500;
}
form input[type="text"],
form input[type="password"],
form textarea,
form select {
    width: 100%; padding: 12px 15px; margin-bottom: 20px;
    border: 1px solid #dae2e6; /* Warna garis tepi/stroke */
    border-radius: 8px;
    box-sizing: border-box; font-size: 16px; transition: border-color 0.3s, box-shadow 0.3s;
    
    /* TAMBAHAN UNTUK WARNA ISIAN */
    background-color: #e0e0e0; /* Warna abu-abu sangat terang */
}

form input:focus, form textarea:focus, form select:focus {
    outline: none;
    border-color: var(--primary-color); /* Garis tepi menjadi biru saat diklik */
    background-color: #fafafa; /* (Opsional) Latar belakang kembali putih saat diklik */
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

form textarea {
    min-height: 120px; resize: vertical;
}

/* Custom Checkbox */
.form-check-label {
    display: flex;
    align-items: center;
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
}
.form-check-label:hover {
    background-color: #f1f3f5;
}
.form-check-label input[type="checkbox"] {
    margin-right: 12px;
    width: 18px;
    height: 18px;
}

.btn, button[type="submit"] {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 8px; padding: 12px 25px; border: none; border-radius: 8px;
    font-weight: 500; font-size: 16px; text-decoration: none;
    cursor: pointer; transition: all 0.3s;
    background-color: var(--primary-color);
    color: white;
}
.btn:hover, button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}
.btn-accent { background-color: var(--accent-color); }
.btn-danger { background-color: var(--danger-color); }

/* =================================
   Tables
   ================================= */
table {
    width: 100%; border-collapse: collapse; margin-top: 20px; font-size: 15px;
}
th, td {
    padding: 15px; border-bottom: 1px solid var(--border-color); text-align: left;
}
th {
    background-color: #f8f9fa; font-weight: 500; color: #495057; text-transform: uppercase; font-size: 12px;
}
tr:last-child td {
    border-bottom: none;
}
tr:hover {
    background-color: #f1f3f5;
}
table a {
    color: var(--primary-color); font-weight: 500; text-decoration: none; margin-right: 15px;
}
table a:hover { text-decoration: underline; }
table a.danger { color: var(--danger-color); }

/* =================================
   Dashboard Grid (for Admin Index)
   ================================= */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}
.dashboard-card {
    background-color: #f8f9fa;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s;
}
.dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}
.dashboard-card .icon {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 15px;
}
.dashboard-card h3 {
    margin: 0;
    font-weight: 500;
    font-size: 18px;
}

/* =================================
   Hasil Diagnosis
   ================================= */
.hasil-diagnosis-item {
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #f8f9fa, #ffffff);
}
.hasil-diagnosis-item h3 {
    color: var(--primary-color);
    margin-top: 0;
}

/* =================================
   Alerts
   ================================= */
.alert {
    padding: 15px; margin-bottom: 20px; border: 1px solid transparent;
    border-radius: 8px; display: flex; align-items: center; gap: 10px;
}
.alert-success {
    color: #0f5132; background-color: #d1e7dd; border-color: #badbcc;
}
.alert-danger {
    color: #842029; background-color: #f8d7da; border-color: #f5c2c7;
}

/* =================================
   Gaya Responsif untuk Mobile
   ================================= */
@media (max-width: 768px) {

    /* 1. Perbesar ukuran font dasar untuk keterbacaan */
    body {
        font-size: 17px; 
    }

    /* 2. Perkecil padding utama agar tidak memakan banyak tempat */
    main.main-content {
        padding: 20px 15px;
    }
    
    .container {
        padding: 20px;
    }

    /* 3. Sesuaikan Navbar agar tidak berantakan */
    .navbar {
        flex-direction: column; /* Susun item dari atas ke bawah */
        padding: 15px;
    }

    .navbar .logo {
        margin-bottom: 15px; /* Beri jarak antara logo dan menu */
    }

    .navbar ul {
        flex-direction: column; /* Susun link menu dari atas ke bawah */
        text-align: center;
        gap: 15px;
    }

    /* 4. Sesuaikan ukuran judul agar proporsional */
    .page-header h2 {
        font-size: 24px;
    }
    .hasil-diagnosis-item h3 {
        font-size: 22px;
    }

    /* 5. Buat tombol dan input lebih besar dan mudah disentuh */
    form input[type="text"],
    form input[type="password"],
    form textarea,
    form select,
    .btn, button[type="submit"] {
        padding: 15px; /* Tambah tinggi elemen */
        font-size: 16px; /* Perbesar teks di dalamnya */
    }

    /* 6. Perbesar checkbox dan area sentuhnya */
    .form-check-label {
        padding: 12px;
        font-size: 16px;
    }

    .form-check-label input[type="checkbox"] {
        width: 22px; /* Perbesar ukuran kotak centang */
        height: 22px;
    }
    
    /* 7. Paksa grid dashboard menjadi satu kolom */
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    /* Atur ulang grid di halaman diagnosis menjadi satu kolom */
    form div[style*="grid"] {
        grid-template-columns: 1fr !important;
    }
    
}