/* Global Styles */
:root {
    --primary-color: #2E4C96;
    --secondary-color: #1E3A8A;
    --accent-color: #3B82F6;
    --success-color: #10B981;
    --danger-color: #EF4444;
    --warning-color: #F59E0B;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --border-color: #E5E7EB;
    --bg-light: #F9FAFB;
    --bg-white: #FFFFFF;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    min-height: 100vh;
    padding: 20px;
    color: var(--text-primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Header */
header {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 30px;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.header-text h1 {
    color: var(--primary-color);
    font-size: 28px;
    margin-bottom: 5px;
}

.header-text p {
    color: var(--text-secondary);
    font-size: 16px;
}

/* Form Container */
.form-container {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 30px;
}

.form-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.form-header svg {
    color: var(--primary-color);
}

.form-header h2 {
    color: var(--text-primary);
    font-size: 24px;
}

/* Form Sections */
.form-section {
    margin-bottom: 35px;
}

.form-section h3 {
    color: var(--text-primary);
    font-size: 18px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

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

.form-group label {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 14px;
}

.required {
    color: var(--danger-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(46, 76, 150, 0.1);
}

.form-group input::placeholder {
    color: #9CA3AF;
}

/* Upload Container */
.upload-container {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.upload-container:hover {
    border-color: var(--primary-color);
    background: var(--bg-light);
}

.upload-container input[type="file"] {
    display: none;
}

.upload-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: var(--primary-color);
    color: white;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.upload-label:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.upload-info {
    margin-top: 20px;
    color: var(--text-secondary);
}

.upload-info p {
    margin: 8px 0;
    font-size: 14px;
}

.file-list {
    margin-top: 20px;
    text-align: left;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px;
    background: var(--bg-light);
    border-radius: 8px;
    margin-bottom: 10px;
}

.file-item span {
    font-size: 14px;
    color: var(--text-primary);
}

.file-item button {
    background: var(--danger-color);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
}

/* Signature */
.signature-label {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 12px;
    font-size: 14px;
}

.signature-container {
    border: 2px solid var(--border-color);
    border-radius: 12px;
    background: white;
    margin-bottom: 15px;
    overflow: hidden;
}

#signaturePad {
    width: 100%;
    height: 200px;
    cursor: crosshair;
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: #6B7280;
    color: white;
}

.btn-secondary:hover {
    background: #4B5563;
}

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

.btn-danger:hover {
    background: #DC2626;
}

.form-actions {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

/* Footer */
footer {
    background: var(--bg-white);
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-md);
}

footer p {
    color: var(--text-secondary);
    margin: 5px 0;
    font-size: 14px;
}

.admin-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 15px;
    padding: 10px 20px;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.admin-link:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay p {
    color: white;
    margin-top: 20px;
    font-size: 16px;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.modal-content {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    width: 90%;
    text-align: center;
}

.modal-content.success .modal-icon {
    background: var(--success-color);
}

.modal-content.error .modal-icon {
    background: var(--danger-color);
}

.modal-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 48px;
    color: white;
}

.modal-content h2 {
    color: var(--text-primary);
    margin-bottom: 15px;
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.modal-content button {
    margin: 5px;
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .logo {
        width: 60px;
        height: 60px;
    }

    .header-text h1 {
        font-size: 22px;
    }

    .form-container {
        padding: 25px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .logo-section {
        flex-direction: column;
        text-align: center;
    }
}

/* PWA Install Button */
.install-prompt {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    padding: 15px 25px;
    border-radius: 50px;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    display: none;
    align-items: center;
    gap: 10px;
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.install-prompt:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

/* Rainbow Gradient Animation (Godmisoft Style) */
@keyframes rainbow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.rainbow-text {
    background: linear-gradient(45deg, #ff0000, #ff7f00, #ffff00, #00ff00, #0000ff, #4b0082, #9400d3);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: rainbow 3s ease infinite;
}