/* Reset und Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #ff6b6b;
    --primary-hover: #ff5252;
    --secondary-color: #4ecdc4;
    --success-color: #51cf66;
    --error-color: #ff6b6b;
    --text-color: #2c3e50;
    --text-light: #7f8c8d;
    --background: #f8f9fa;
    --white: #ffffff;
    --border-color: #e0e0e0;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 700px;
    margin: 0 auto;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 40px;
    color: var(--white);
}

.header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.95;
    font-weight: 400;
}

/* Main Content */
.main-content {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-hover);
    margin-bottom: 30px;
}

/* Messages */
.message {
    text-align: center;
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
}

.message.hidden {
    display: none;
}

.message-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.message h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.message p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 10px;
}

.success-message {
    background: linear-gradient(135deg, #d4fc79 0%, #96e6a1 100%);
}

.error-message {
    background: linear-gradient(135deg, #ffa8a8 0%, #ff6b6b 100%);
}

/* Form */
.form-container.hidden {
    display: none;
}

/* Progress Indicator */
.progress-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
    padding: 0 20px;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    position: relative;
}

.step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #e0e0e0;
    color: #999;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.progress-step.active .step-number {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    transform: scale(1.1);
}

.progress-step.completed .step-number {
    background: var(--success-color);
    color: white;
}

.step-label {
    font-size: 0.85rem;
    color: #999;
    font-weight: 500;
}

.progress-step.active .step-label {
    color: var(--primary-color);
    font-weight: 600;
}

.progress-line {
    flex: 1;
    height: 3px;
    background: #e0e0e0;
    max-width: 80px;
    margin: 0 10px;
}

.progress-step.active ~ .progress-line,
.progress-step.completed ~ .progress-line {
    background: var(--success-color);
}

/* Form Steps */
.order-form {
    position: relative;
}

.form-step {
    display: none;
    animation: fadeIn 0.4s ease;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.step-title {
    font-size: 1.6rem;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-align: center;
}

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

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-color);
    font-size: 1rem;
}

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

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--white);
}

.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(255, 107, 107, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.help-text {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 5px;
}

/* Radio Group */
.radio-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.radio-option {
    flex: 1;
    min-width: 150px;
    cursor: pointer;
}

.radio-option input[type="radio"] {
    display: none;
}

.radio-label {
    display: block;
    padding: 15px 20px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
    font-weight: 500;
    background: var(--white);
}

.radio-option input[type="radio"]:checked + .radio-label {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8e53 100%);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.radio-label:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

/* Theme Grid */
.theme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.theme-option {
    cursor: pointer;
}

.theme-option input[type="radio"] {
    display: none;
}

.theme-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px 15px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    background: var(--white);
    transition: all 0.3s ease;
    text-align: center;
}

.theme-icon {
    font-size: 2.5rem;
}

.theme-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-color);
}

.theme-option input[type="radio"]:checked + .theme-box {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
}

.theme-option input[type="radio"]:checked + .theme-box .theme-name {
    color: var(--white);
    font-weight: 600;
}

.theme-box:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Step Navigation Buttons */
.step-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.btn-prev,
.btn-next {
    flex: 1;
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

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

.btn-prev:hover {
    background: #3b9c96;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(78, 205, 196, 0.3);
}

.btn-next {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-next:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

/* Submit Button */
.submit-btn {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: var(--white);
    border: none;
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: inherit;
    flex: 1;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(16, 185, 129, 0.5);
}

.submit-btn:active {
    transform: translateY(-1px);
}

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

.btn-icon {
    font-size: 1.5rem;
}

/* Loading */
.loading {
    text-align: center;
    margin-top: 20px;
}

.loading.hidden {
    display: none;
}

.spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-left-color: var(--primary-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

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

.loading p {
    color: var(--text-light);
    font-weight: 500;
}

/* Footer */
.footer {
    text-align: center;
    color: var(--white);
    padding: 20px;
}

.footer p {
    margin-bottom: 10px;
    opacity: 0.9;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 15px;
    }

    .main-content {
        padding: 25px;
        border-radius: 15px;
    }

    .header h1 {
        font-size: 2.2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .progress-container {
        padding: 0 10px;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .step-label {
        font-size: 0.75rem;
    }

    .progress-line {
        max-width: 40px;
        margin: 0 5px;
    }

    .theme-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 10px;
    }

    .theme-icon {
        font-size: 2rem;
    }

    .theme-name {
        font-size: 0.8rem;
    }

    .radio-group {
        flex-direction: column;
    }

    .radio-option {
        min-width: 100%;
    }

    .submit-btn,
    .btn-next,
    .btn-prev {
        font-size: 1rem;
        padding: 14px 25px;
    }

    .step-title {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.8rem;
    }

    .main-content {
        padding: 20px;
    }

    .theme-grid {
        grid-template-columns: 1fr;
    }

    .step-buttons {
        flex-direction: column;
    }

    .message h2 {
        font-size: 1.4rem;
    }

    .message p {
        font-size: 1rem;
    }
}