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

:root {
    --primary-color: #4F46E5;
    --primary-hover: #4338CA;
    --secondary-color: #6B7280;
    --success-color: #10B981;
    --danger-color: #EF4444;
    --border-color: #E5E7EB;
    --bg-light: #F9FAFB;
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --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);
    --border-radius: 8px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    background: var(--bg-light);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   HEADER
   ======================================== */
.header {
    background: white;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    font-size: 1.5rem;
}

.powered-by {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.powered-by a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.powered-by a:hover {
    text-decoration: underline;
}

/* ========================================
   MAIN CONTENT
   ======================================== */
.main {
    flex: 1;
    padding: 2rem 0 4rem;
}

/* ========================================
   PROGRESS STEPS
   ======================================== */
.progress-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    position: relative;
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: white;
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.step.active .step-number {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

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

.step-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

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

.step-line {
    width: 80px;
    height: 2px;
    background: var(--border-color);
    margin: 0 1rem;
    align-self: flex-start;
    margin-top: 23px;
}

/* ========================================
   STEP CONTENT
   ======================================== */
.step-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

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

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

.step-header {
    text-align: center;
    margin-bottom: 3rem;
}

.step-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.step-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* ========================================
   FORM STYLES
   ======================================== */
.project-form {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    max-width: 900px;
    margin: 0 auto;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

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

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

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group label i {
    color: var(--primary-color);
    font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.2s ease;
}

.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(79, 70, 229, 0.1);
}

.form-section {
    margin-bottom: 2rem;
}

.form-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-section h3 i {
    color: var(--primary-color);
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s ease;
}

.checkbox-label:hover {
    border-color: var(--primary-color);
    background: rgba(79, 70, 229, 0.05);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ========================================
   TEMPLATES SECTION
   ======================================== */
.templates-section {
    margin-bottom: 3rem;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.section-title i {
    color: var(--primary-color);
}

.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.template-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    cursor: pointer;
}

.template-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.template-preview {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.template-preview i {
    font-size: 3rem;
    color: white;
    opacity: 0.9;
}

.template-badge {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.template-info {
    padding: 1.25rem;
}

.template-name {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.template-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.template-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.template-tag {
    background: var(--bg-light);
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
}

.template-actions {
    display: flex;
    gap: 0.5rem;
}

.template-actions .btn {
    flex: 1;
    justify-content: center;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
}

/* ========================================
   EDITOR
   ======================================== */
.editor-container {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 1.5rem;
    height: calc(100vh - 250px);
    min-height: 600px;
}

.editor-sidebar {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.editor-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
}

.editor-tab {
    flex: 1;
    padding: 1rem;
    background: none;
    border: none;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.editor-tab:hover {
    color: var(--primary-color);
    background: var(--bg-light);
}

.editor-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.editor-tab-content {
    display: none;
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

.editor-tab-content.active {
    display: block;
}

.editor-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.editor-section:last-child {
    border-bottom: none;
}

.editor-section-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.editor-section-title i {
    color: var(--primary-color);
    font-size: 0.875rem;
}

.editor-field {
    margin-bottom: 1rem;
}

.editor-field label {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.editor-field input,
.editor-field textarea {
    width: 100%;
    padding: 0.625rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-family: inherit;
    transition: all 0.2s ease;
}

.editor-field input:focus,
.editor-field textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.editor-field textarea {
    resize: vertical;
    min-height: 80px;
}

.editor-field input[type="color"] {
    width: 100%;
    height: 50px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    padding: 0;
}

.editor-field select {
    width: 100%;
    padding: 0.625rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-family: inherit;
    transition: all 0.2s ease;
    background: white;
    cursor: pointer;
}

.editor-field select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.image-upload {
    margin-bottom: 1rem;
}

.image-upload-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1.5rem;
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-light);
    cursor: pointer;
    transition: all 0.2s ease;
}

.image-upload-btn:hover {
    border-color: var(--primary-color);
    background: rgba(79, 70, 229, 0.05);
}

.image-upload-btn i {
    font-size: 2rem;
    color: var(--primary-color);
}

.image-upload-btn span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.image-preview {
    margin-top: 0.75rem;
    border-radius: var(--border-radius);
    overflow: hidden;
    position: relative;
}

.image-preview img {
    width: 100%;
    height: auto;
    display: block;
}

.image-preview-remove {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: var(--danger-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.image-preview-remove:hover {
    transform: scale(1.1);
}

.editor-actions {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* ========================================
   PREVIEW
   ======================================== */
.editor-preview {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.preview-title {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.preview-title i {
    color: var(--primary-color);
}

.preview-controls {
    display: flex;
    gap: 0.5rem;
}

.preview-btn {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.preview-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

.preview-frame-container {
    flex: 1;
    overflow: auto;
    background: #f0f0f0;
    padding: 1rem;
}

.preview-frame {
    width: 100%;
    height: 100%;
    border: none;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.preview-frame.mobile {
    max-width: 375px;
    margin: 0 auto;
}

/* ========================================
   MODAL
   ======================================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    overflow-y: auto;
    padding: 2rem;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: var(--border-radius);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.modal-close {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--danger-color);
    color: white;
}

.modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

.modal-preview {
    background: var(--bg-light);
    border-radius: var(--border-radius);
    padding: 2rem;
    min-height: 400px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: white;
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: auto;
}

.footer p {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

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

.footer-help {
    margin-top: 1rem;
    font-size: 1rem;
    color: var(--text-secondary);
}

.footer-help-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: underline;
    transition: all 0.2s ease;
}

.footer-help-link:hover {
    color: var(--secondary-color);
    text-decoration: none;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .editor-container {
        grid-template-columns: 1fr;
        height: auto;
    }

    .editor-preview {
        min-height: 500px;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }

    .progress-steps {
        padding: 1rem 0;
    }

    .step-line {
        width: 40px;
        margin: 0 0.5rem;
    }

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

    .step-header h1 {
        font-size: 1.5rem;
    }

    .step-header p {
        font-size: 1rem;
    }

    .project-form {
        padding: 1.5rem;
    }

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

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

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

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .modal {
        padding: 1rem;
    }

    .modal-content {
        max-height: 95vh;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1rem;
    }

    .logo i {
        font-size: 1.25rem;
    }

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

    .step-line {
        margin-top: 19px;
    }
}