body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    margin: 0;
    padding: 20px;
    background: var(--tg-theme-bg-color, #ffffff);
    color: var(--tg-theme-text-color, #000000);
}

.container {
    max-width: 400px;
    margin: 0 auto;
}

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

.back-button {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    color: var(--tg-theme-button-color, #007acc);
    margin-bottom: 20px;
    font-size: 14px;
}

.back-button:hover {
    text-decoration: underline;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--tg-theme-text-color, #000000);
}

.form-input, .form-textarea, .form-select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--tg-theme-hint-color, #e0e0e0);
    border-radius: 8px;
    font-size: 14px;
    background: var(--tg-theme-secondary-bg-color, #ffffff);
    color: var(--tg-theme-text-color, #000000);
    box-sizing: border-box;
    transition: border-color 0.2s ease;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
    outline: none;
    border-color: var(--tg-theme-button-color, #007acc);
}

input[type="file"] {
    padding: 8px;
    border: 2px dashed var(--tg-theme-hint-color, #e0e0e0);
    border-radius: 8px;
    background: var(--tg-theme-secondary-bg-color, #f8f8f8);
    cursor: pointer;
    transition: border-color 0.2s ease;
}

input[type="file"]:hover {
    border-color: var(--tg-theme-button-color, #007acc);
}

input[type="file"]:focus {
    outline: none;
    border-color: var(--tg-theme-button-color, #007acc);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-select {
    cursor: pointer;
}

.submit-btn {
    width: 100%;
    padding: 14px;
    background: var(--tg-theme-button-color, #007acc);
    color: var(--tg-theme-button-text-color, #ffffff);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.submit-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.error {
    background: #ffe6e6;
    color: #d00;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.success {
    background: #e6ffe6;
    color: #0a0;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.info-box {
    background: var(--tg-theme-secondary-bg-color, #f8f8f8);
    border: 1px solid var(--tg-theme-hint-color, #e0e0e0);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
    font-size: 14px;
}

.info-box h3 {
    margin: 0 0 10px 0;
    color: var(--tg-theme-button-color, #007acc);
}

.contact-info {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
}

.contact-info h4 {
    margin: 0 0 10px 0;
    color: #856404;
}

.contact-info p {
    margin: 5px 0;
    color: #856404;
}

.required {
    color: #d00;
}

.spinner {
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--tg-theme-button-color, #007acc);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    display: inline-block;
    margin-right: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}