/* Variabel Warna Utama */
:root {
    --primary: #0d47a1;
    --primary-hover: #1565c0;
    --bg-color: #f2f5fb;
    --text-main: #2d3748;
    --text-muted: #718096;
    --border-color: #cbd5e0;
}

body {
    margin: 0;
    padding: 20px;
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    background: white;
    width: 100%;
    max-width: 800px;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    box-sizing: border-box;
}

/* Header & Logo */
.header-section {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 2px dashed #edf2f7;
}

.logo {
    width: 120px;
    height: auto;
    margin-bottom: 15px;
    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.1));
}

h1 {
    color: var(--primary);
    font-size: 26px;
    margin: 0 0 8px 0;
    font-weight: 700;
}

h2 {
    color: var(--text-muted);
    font-size: 16px;
    margin: 0 0 20px 0;
    font-weight: 500;
}

.school-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.school-info span {
    background: #e2e8f0;
    color: #4a5568;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

/* Grid System untuk Form */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

label {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-main);
}

/* Input Styles */
input, select, textarea {
    font-family: inherit;
    width: 100%;
    padding: 14px 16px;
    border-radius: 10px;
    border: 1.5px solid var(--border-color);
    font-size: 14px;
    box-sizing: border-box;
    transition: all 0.3s ease;
    background-color: #f8fafc;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--primary);
    background-color: #fff;
    outline: none;
    box-shadow: 0 0 0 4px rgba(13, 71, 161, 0.1);
}

textarea {
    height: 100px;
    resize: vertical;
}

/* Styling Input File Modern */
input[type="file"] {
    padding: 10px;
    background: #fff;
    border: 2px dashed var(--border-color);
    cursor: pointer;
}

input[type="file"]:hover {
    border-color: var(--primary);
}

input[type="file"]::file-selector-button {
    background: var(--primary);
    color: white;
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    margin-right: 15px;
    font-weight: 500;
    transition: 0.3s;
}

input[type="file"]::file-selector-button:hover {
    background: var(--primary-hover);
}

.file-note {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
}

/* Tombol Submit */
button {
    width: 100%;
    padding: 16px;
    margin-top: 30px;
    border: none;
    border-radius: 10px;
    background: var(--primary);
    color: white;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

button:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(13, 71, 161, 0.2);
}

button:disabled {
    background: #a0aec0;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Notifikasi Status */
#status {
    margin-top: 20px;
    text-align: center;
    font-weight: 600;
    padding: 15px;
    border-radius: 8px;
    display: none;
}

.status-success {
    background-color: #c6f6d5;
    color: #22543d;
    display: block !important;
}

.status-error {
    background-color: #fed7d7;
    color: #822727;
    display: block !important;
}

/* Mobile Responsive */
@media (max-width: 650px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    .container {
        padding: 25px 20px;
    }
    h1 {
        font-size: 22px;
    }
}