:root {
    --primary-color: #4a90e2;
    --secondary-color: #2ecc71;
    --background-color: #f5f7fa;
    --text-color: #2c3e50;
    --border-color: #e1e8ed;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --error-color: #e74c3c;
}

/* Dark theme variables */
[data-theme="dark"] {
    --background-color: #1a1a1a;
    --text-color: #f5f7fa;
    --border-color: #2c3e50;
    --shadow-color: rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

.app-container {
    max-width: 1800px;
    margin: 0 auto;
    padding: 20px;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-color), #357abd);
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: 0 4px 6px var(--shadow-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
}

.logo i {
    font-size: 24px;
}

.logo h1 {
    font-size: 24px;
    font-weight: 600;
}

.theme-switcher button {
    background: transparent;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: background-color 0.3s;
}

.theme-switcher button:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    min-height: calc(100vh - 140px);
}

.form-container {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 6px var(--shadow-color);
}

.progress-bar {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
    position: relative;
    padding: 0 20px;
}

.progress-bar::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--border-color);
    transform: translateY(-50%);
    z-index: 0;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    position: relative;
    z-index: 1;
    background-color: white;
    padding: 0 10px;
}

.progress-step i {
    width: 40px;
    height: 40px;
    background-color: var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    transition: all 0.3s;
}

.progress-step.active i {
    background-color: var(--primary-color);
    color: white;
}

.progress-step.complete i {
    background-color: var(--success-color);
}

.progress-step span {
    font-size: 14px;
    color: #666;
}

.form-section {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

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

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

.form-section h2 {
    margin-bottom: 20px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

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

label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 500;
}

input, textarea, select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s;
}

input:focus, textarea:focus, select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.2);
    outline: none;
}

input.error, textarea.error, select.error {
    border-color: var(--error-color);
}

.error-message {
    background-color: #fde8e8;
    color: var(--error-color);
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    animation: slideIn 0.3s ease-out;
}

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

.date-input-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 14px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.ai-suggest {
    background-color: #f8f9fa;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px 16px;
    font-size: 14px;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
}

.ai-suggest:hover {
    background-color: #e9ecef;
}

.add-button {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 20px 0;
}

.add-button:hover {
    background-color: #27ae60;
    transform: translateY(-2px);
}

.entry-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.move-button {
    background-color: #f8f9fa;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px;
    font-size: 14px;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s;
}

.move-button:hover {
    background-color: #e9ecef;
}

.remove-button {
    background-color: #fee2e2;
    color: var(--error-color);
    border: none;
    border-radius: 6px;
    padding: 8px 16px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.remove-button:hover {
    background-color: #fecaca;
}

.form-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.nav-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-button:hover {
    background-color: #357abd;
    transform: translateY(-2px);
}

.preview-container {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 6px var(--shadow-color);
    position: sticky;
    top: 20px;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    position: sticky;
    top: 0;
    background: white;
    padding: 10px 0;
    z-index: 10;
}

.preview-actions {
    display: flex;
    gap: 10px;
}

.template-button, .download-button {
    background-color: #f8f9fa;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px 16px;
    font-size: 14px;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.template-button:hover, .download-button:hover {
    background-color: #e9ecef;
}

.download-button {
    background-color: var(--success-color);
    color: white;
    border: none;
}

.download-button:hover {
    background-color: #219a52;
}

.resume-preview {
    min-height: 500px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 30px;
    background-color: white;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.skill-item {
    background-color: #f8f9fa;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    display: flex;
    gap: 10px;
    align-items: center;
}

.skill-item input {
    flex: 1;
}

.skill-item select {
    width: auto;
}

.skill-item .skill-actions {
    display: flex;
    gap: 8px;
}

.skill-item button {
    background: none;
    border: none;
    cursor: pointer;
    color: #666;
    transition: color 0.3s;
    padding: 4px;
}

.skill-item button:hover {
    color: var(--error-color);
}

@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 1fr;
    }

    .preview-container {
        position: static;
        max-height: none;
    }
}

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }

    .progress-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }

    .progress-bar::before {
        width: 2px;
        height: 100%;
        left: 20px;
        top: 0;
        transform: none;
    }

    .progress-step {
        flex-direction: row;
        width: 100%;
        padding-left: 50px;
    }

    .preview-header {
        flex-direction: column;
        gap: 10px;
    }

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