/* ===== COLOR VARIABLES (Replace with actual NSF NGR colors) ===== */
:root {
    --primary: #1A2B4C;
    --primary-light: #2A3F6A;
    --secondary: #D4AF37;
    --secondary-light: #E8C84A;
    --background: #F4F6FA;
    --card-bg: #FFFFFF;
    --text-dark: #1E1E2A;
    --text-light: #6B7280;
    --border-color: #D1D5DB;
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    --success: #10B981;
    --error: #EF4444;
    --whatsapp: #25D366;
}

/* ===== RESET ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: var(--background);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

/* ===== CONTAINER ===== */
.container {
    max-width: 820px;
    width: 100%;
    background: var(--card-bg);
    border-radius: 24px;
    box-shadow: var(--shadow);
    padding: 40px 35px;
    border-top: 6px solid var(--secondary);
}

.header {
    text-align: center;
    margin-bottom: 30px;
}

.header h1 {
    color: var(--primary);
    font-size: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.header h1 i {
    color: var(--secondary);
}

.subtitle {
    color: var(--text-light);
    font-size: 16px;
    margin-top: 5px;
}

/* ===== TOGGLE ===== */
.toggle-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    background: var(--background);
    padding: 15px 25px;
    border-radius: 60px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.toggle-label {
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 8px;
}

.toggle-label i {
    color: var(--primary-light);
}

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--secondary);
}

input:checked + .slider:before {
    transform: translateX(30px);
}

.toggle-status {
    font-weight: 600;
    background: var(--primary);
    color: white;
    padding: 6px 20px;
    border-radius: 40px;
    font-size: 14px;
}

/* ===== FORM SECTIONS ===== */
.form-section {
    display: none;
    animation: fadeIn 0.5s ease;
}

.form-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-section h3 {
    color: var(--primary);
    margin-bottom: 8px;
}

.form-description {
    color: var(--text-light);
    margin-bottom: 25px;
    font-size: 14px;
}

/* ===== FORM GROUPS ===== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 6px;
    font-size: 14px;
}

.form-group label i {
    margin-right: 8px;
    color: var(--secondary);
    width: 20px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 15px;
    transition: 0.3s;
    background: var(--card-bg);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.15);
}

.form-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.form-row .form-group {
    flex: 1;
    min-width: 180px;
}

/* ===== FILE UPLOAD ===== */
.file-upload-wrapper {
    position: relative;
    border: 2px dashed var(--border-color);
    border-radius: 16px;
    padding: 25px 20px;
    text-align: center;
    background: #FAFBFC;
    transition: 0.3s;
    cursor: pointer;
}

.file-upload-wrapper:hover {
    border-color: var(--secondary);
    background: #FFFDF5;
}

.file-upload-wrapper i {
    font-size: 32px;
    color: var(--secondary);
    margin-bottom: 8px;
}

.file-upload-wrapper p {
    color: var(--text-light);
    font-size: 14px;
}

.file-upload-wrapper input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.preview-container {
    margin-top: 12px;
    padding: 10px;
    border-radius: 8px;
    background: var(--background);
    text-align: center;
}

.preview-container img {
    max-width: 150px;
    max-height: 150px;
    border-radius: 8px;
    border: 2px solid var(--secondary);
}

.preview-container .file-name {
    color: var(--text-dark);
    font-size: 14px;
    font-weight: 500;
    margin-top: 5px;
}

/* ===== CARD PREVIEW ===== */
.card-preview {
    background: var(--primary);
    color: white;
    padding: 20px 25px;
    border-radius: 16px;
    margin: 15px 0 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.card-preview span {
    font-size: 14px;
    opacity: 0.9;
}

.card-preview .amount {
    font-size: 28px;
    font-weight: 700;
    color: var(--secondary);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    border: none;
    border-radius: 60px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    transition: 0.3s;
    width: 100%;
    margin-top: 10px;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(26, 43, 76, 0.3);
}

.btn-secondary {
    background: var(--secondary);
    color: var(--text-dark);
}

.btn-secondary:hover {
    background: var(--secondary-light);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

/* ===== SPINNER ===== */
.spinner {
    text-align: center;
    padding: 20px;
    color: var(--primary);
    font-weight: 600;
}

.spinner i {
    font-size: 24px;
    margin-right: 10px;
}

/* ===== MESSAGE BOX ===== */
.message-box {
    padding: 16px 20px;
    border-radius: 12px;
    margin: 20px 0;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
}

.message-box.success {
    background: #ECFDF5;
    color: #065F46;
    border-left: 6px solid var(--success);
}

.message-box.error {
    background: #FEF2F2;
    color: #991B1B;
    border-left: 6px solid var(--error);
}

.message-box i {
    font-size: 20px;
}

.hidden {
    display: none !important;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
    .container {
        padding: 20px 15px;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .toggle-container {
        flex-direction: column;
        padding: 15px;
    }
    
    .header h1 {
        font-size: 24px;
    }
    
    .card-preview {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
}

/* ===== LOADING STATE ===== */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}