:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-color: #f8fafc;
    --bg-dark: #1e293b;
    --text-color: #1e293b;
    --text-light: #64748b;
    --border-color: #e2e8f0;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    gap: 8px;
}

.nav-btn {
    padding: 10px 24px;
    border: none;
    background: transparent;
    color: var(--text-light);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius);
    transition: var(--transition);
}

.nav-btn:hover {
    background: var(--bg-color);
    color: var(--text-color);
}

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

.main {
    min-height: calc(100vh - 140px);
}

.section {
    display: none;
    padding: 40px 0;
    animation: fadeIn 0.3s ease;
}

.section.active {
    display: block;
}

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

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h1 {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 12px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-light);
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.category-tab {
    padding: 10px 24px;
    border: 2px solid var(--border-color);
    background: var(--white);
    color: var(--text-light);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-radius: 50px;
    transition: var(--transition);
}

.category-tab:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.category-tab.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

.template-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.template-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

.template-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.template-preview {
    height: 400px;
    background: var(--bg-color);
    position: relative;
    overflow: hidden;
}

.template-preview iframe {
    width: 100%;
    height: 100%;
    border: none;
    transform: scale(0.5);
    transform-origin: top left;
    pointer-events: none;
}

.template-info {
    padding: 20px;
}

.template-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.template-category {
    font-size: 13px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

.template-badge {
    padding: 4px 10px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 20px;
    font-size: 12px;
}

.editor-layout {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 30px;
    min-height: calc(100vh - 180px);
}

.editor-sidebar {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
    overflow-y: auto;
    max-height: calc(100vh - 180px);
    position: sticky;
    top: 100px;
}

.sidebar-section {
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.sidebar-section h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-color);
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-light);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 14px;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.entry-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 14px;
}

.entry-item {
    background: var(--bg-color);
    padding: 14px;
    border-radius: var(--radius);
    position: relative;
}

.entry-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.entry-item-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-color);
}

.entry-item-actions {
    display: flex;
    gap: 6px;
}

.entry-item-actions button {
    padding: 4px 8px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 12px;
    border-radius: 4px;
    transition: var(--transition);
}

.entry-item-actions .edit-btn:hover {
    background: var(--primary-color);
    color: var(--white);
}

.entry-item-actions .delete-btn:hover {
    background: var(--danger-color);
    color: var(--white);
}

.entry-item-content {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.5;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

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

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

.btn-add {
    width: 100%;
    padding: 12px;
    background: transparent;
    border: 2px dashed var(--border-color);
    color: var(--text-light);
}

.btn-add:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

.avatar-upload {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.avatar-preview {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--bg-color);
    border: 3px dashed var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
}

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

.avatar-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-placeholder {
    font-size: 13px;
    color: var(--text-light);
    text-align: center;
}

.style-options {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.style-option {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.style-option label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-light);
}

.color-picker input[type="color"] {
    width: 50px;
    height: 36px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    cursor: pointer;
}

.style-option select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 14px;
}

.editor-main {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    padding: 30px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.resume-preview {
    width: 100%;
    max-width: 800px;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius);
    overflow: hidden;
}

.resume-paper {
    width: 100%;
    aspect-ratio: 210/297;
    padding: 40px;
    background: var(--white);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.preview-header h2 {
    font-size: 28px;
    font-weight: 600;
}

.preview-actions {
    display: flex;
    gap: 12px;
}

.preview-container {
    display: flex;
    justify-content: center;
    padding: 30px;
    background: var(--bg-dark);
    border-radius: var(--radius-lg);
    min-height: calc(100vh - 200px);
}

.resume-preview-large {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius);
    width: 100%;
    max-width: 800px;
    aspect-ratio: 210/297;
    overflow: hidden;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-light);
    border-radius: var(--radius);
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--bg-color);
    color: var(--text-color);
}

.modal-body {
    padding: 24px;
    max-height: 60vh;
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
}

.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--text-color);
    color: var(--white);
    padding: 14px 28px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.footer {
    background: var(--white);
    padding: 30px 0;
    text-align: center;
    color: var(--text-light);
    font-size: 14px;
    border-top: 1px solid var(--border-color);
}

.resume-template {
    width: 100%;
    height: 100%;
    font-family: 'Noto Sans SC', sans-serif;
    color: #333;
}

.resume-template h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
}

.resume-template h2 {
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid currentColor;
}

.resume-template h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 6px;
}

.resume-template p {
    font-size: 13px;
    line-height: 1.6;
}

.resume-template .header-section {
    margin-bottom: 20px;
}

.resume-template .contact-info {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
    color: #666;
}

.resume-template .contact-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.resume-template .section {
    margin-bottom: 20px;
}

.resume-template .section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--template-color, #2563eb);
    margin-bottom: 12px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-color);
}

.resume-template .experience-item,
.resume-template .education-item,
.resume-template .project-item {
    margin-bottom: 14px;
}

.resume-template .item-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 6px;
}

.resume-template .item-title {
    font-weight: 600;
    font-size: 14px;
}

.resume-template .item-subtitle {
    color: #666;
    font-size: 13px;
}

.resume-template .item-date {
    font-size: 12px;
    color: #888;
}

.resume-template .item-content {
    font-size: 13px;
    color: #555;
    line-height: 1.6;
}

.resume-template .skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.resume-template .skill-tag {
    padding: 4px 12px;
    background: var(--template-bg, #f0f4f8);
    border-radius: 20px;
    font-size: 12px;
}

.resume-template .avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
}

.resume-template .summary-text {
    font-size: 13px;
    line-height: 1.8;
    color: #555;
}

.template-professional {
    --template-color: #1e3a5f;
    --template-bg: #e8eef4;
}

.template-fresh {
    --template-color: #059669;
    --template-bg: #d1fae5;
}

.template-parttime {
    --template-color: #d97706;
    --template-bg: #fef3c7;
}

.template-creative {
    --template-color: #7c3aed;
    --template-bg: #ede9fe;
}

.template-minimal {
    --template-color: #374151;
    --template-bg: #f3f4f6;
}

.template-elegant {
    --template-color: #1f2937;
    --template-bg: #f9fafb;
}

.layout-left-right .resume-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 30px;
}

.layout-left-right .sidebar-section-resume {
    background: var(--template-bg, #f8fafc);
    padding: 20px;
    border-radius: 8px;
}

.layout-top-bottom .resume-content {
    display: block;
}

.layout-top-bottom .sidebar-section-resume {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.font-small { font-size: 12px; }
.font-medium { font-size: 13px; }
.font-large { font-size: 14px; }

@media (max-width: 1200px) {
    .editor-layout {
        grid-template-columns: 340px 1fr;
    }
}

@media (max-width: 992px) {
    .editor-layout {
        grid-template-columns: 1fr;
    }

    .editor-sidebar {
        position: static;
        max-height: none;
    }

    .nav {
        gap: 4px;
    }

    .nav-btn {
        padding: 8px 16px;
        font-size: 14px;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        height: auto;
        padding: 15px 0;
        gap: 15px;
    }

    .nav {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }

    .section-header h1 {
        font-size: 26px;
    }

    .section-header p {
        font-size: 15px;
    }

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

    .template-preview {
        height: 350px;
    }

    .editor-sidebar {
        padding: 16px;
    }

    .preview-header {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

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

    .resume-paper {
        padding: 20px;
    }

    .layout-left-right .resume-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }

    .category-tabs {
        gap: 8px;
    }

    .category-tab {
        padding: 8px 16px;
        font-size: 13px;
    }

    .template-preview {
        height: 300px;
    }

    .resume-paper {
        padding: 15px;
    }

    .resume-template h1 {
        font-size: 22px;
    }

    .resume-template h2 {
        font-size: 14px;
    }
}

.print-only {
    display: none;
}

@media print {
    .header, .footer, .editor-sidebar, .nav, .preview-actions {
        display: none !important;
    }

    .print-only {
        display: block;
    }

    body {
        background: white;
    }

    .resume-preview-large,
    .resume-paper {
        box-shadow: none;
        margin: 0;
        padding: 20mm;
        max-width: none;
        width: 100%;
        aspect-ratio: auto;
    }
}