/* Base Styles */
:root {
    --primary-color: #4a6fa5;
    --secondary-color: #166088;
    --accent-color: #4fc3f7;
    --background-color: #0f1626;
    --sidebar-color: #1a2238;
    --text-color: #e8e8e8;
    --text-secondary: #b0b0b0;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --error-color: #f44336;
    --space-gradient: linear-gradient(135deg, #0f1626 0%, #1a2238 50%, #166088 100%);
    --card-bg: rgba(26, 34, 56, 0.7);
    --border-radius: 8px;
    --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', sans-serif;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.app-container {
    display: flex;
    min-height: 100vh;
    position: relative;
}

/* Sidebar Styles */
.sidebar {
    width: 280px;
    background: var(--sidebar-color);
    padding: 20px;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    z-index: 100;
    height: 100vh;
    position: fixed;
    overflow-y: auto;
}

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

.app-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 700;
}

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

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
    display: none;
}

.avatar-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 20px;
}

.avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin-bottom: 10px;
    border: 3px solid var(--accent-color);
}

.change-avatar-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.8rem;
}

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

.ai-persona-selector {
    margin-bottom: 20px;
}

.ai-persona-selector select {
    width: 100%;
    padding: 10px;
    border-radius: var(--border-radius);
    background: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--secondary-color);
    margin-bottom: 10px;
}

.ai-persona-selector textarea {
    width: 100%;
    padding: 10px;
    border-radius: var(--border-radius);
    background: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--secondary-color);
    min-height: 80px;
    resize: vertical;
}

.article-history {
    flex-grow: 1;
    overflow-y: auto;
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.history-header h3 {
    font-size: 1rem;
    color: var(--accent-color);
}

.new-article-btn {
    background: var(--accent-color);
    color: var(--background-color);
    border: none;
    padding: 5px 10px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: bold;
    transition: var(--transition);
}

.new-article-btn:hover {
    background: #03a9f4;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.history-item {
    padding: 10px;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.history-item:hover {
    background: rgba(79, 195, 247, 0.1);
}

.history-item-title {
    font-weight: 500;
    margin-bottom: 5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-item-date {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.history-item-actions {
    position: absolute;
    right: 10px;
    top: 10px;
    display: none;
    gap: 5px;
}

.history-item:hover .history-item-actions {
    display: flex;
}

.history-item-action {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8rem;
    transition: var(--transition);
}

.history-item-action:hover {
    color: var(--accent-color);
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 20px;
}

.settings-btn {
    width: 100%;
    padding: 10px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

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

/* Main Content Styles */
.main-content {
    flex-grow: 1;
    padding: 20px;
    margin-left: 280px;
    transition: var(--transition);
    max-width: calc(100% - 280px);
}

.article-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-grow: 1;
}

#articleTitle {
    flex-grow: 1;
    padding: 10px 15px;
    border-radius: var(--border-radius);
    border: 1px solid var(--secondary-color);
    background: var(--card-bg);
    color: var(--text-color);
    font-size: 1.1rem;
    min-width: 200px;
}

.word-count-display {
    font-size: 0.9rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

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

.action-btn {
    padding: 10px 20px;
    border-radius: var(--border-radius);
    border: none;
    background: var(--primary-color);
    color: white;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
}

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

.action-btn.small {
    padding: 5px 10px;
    font-size: 0.8rem;
}

.export-options {
    display: none;
    position: absolute;
    background: var(--sidebar-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 5px;
    margin-top: 5px;
    z-index: 10;
}

.export-options.show {
    display: flex;
    flex-direction: column;
}

.export-option {
    padding: 5px 10px;
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    text-align: left;
    white-space: nowrap;
}

.export-option:hover {
    background: rgba(255, 255, 255, 0.1);
}

.article-params {
    background: var(--card-bg);
    padding: 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    box-shadow: var(--box-shadow);
}

.param-row {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.param-group {
    flex-grow: 1;
    min-width: 200px;
}

.param-group.full-width {
    flex: 1 0 100%;
}

.param-group label {
    display: block;
    margin-bottom: 5px;
    font-size: 0.9rem;
    color: var(--accent-color);
}

.param-group input[type="text"],
.param-group input[type="number"],
.param-group select {
    width: 100%;
    padding: 10px;
    border-radius: var(--border-radius);
    background: rgba(15, 22, 38, 0.5);
    color: var(--text-color);
    border: 1px solid var(--secondary-color);
}

.param-group textarea {
    width: 100%;
    padding: 10px;
    border-radius: var(--border-radius);
    background: rgba(15, 22, 38, 0.5);
    color: var(--text-color);
    border: 1px solid var(--secondary-color);
    min-height: 80px;
    resize: vertical;
}

.add-ins-container {
    margin-top: 20px;
}

.add-ins-container label {
    display: block;
    margin-bottom: 10px;
    font-size: 0.9rem;
    color: var(--accent-color);
}

.add-ins-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
}

.add-in-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.add-in-item input {
    margin-right: 5px;
}

.add-in-item label {
    margin: 0;
    font-size: 0.85rem;
}

.article-output-container {
    background: var(--card-bg);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.output-header h3 {
    color: var(--accent-color);
    font-size: 1.1rem;
}

.article-output {
    min-height: 300px;
    padding: 15px;
    border-radius: var(--border-radius);
    background: rgba(15, 22, 38, 0.5);
    border: 1px solid var(--secondary-color);
    line-height: 1.8;
}

.article-output:empty::before {
    content: "Your generated content will appear here...";
    color: var(--text-secondary);
}

/* Modals */
.settings-modal,
.avatar-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    padding: 20px;
    overflow-y: auto;
}

.settings-modal.active,
.avatar-modal.active {
    opacity: 1;
    pointer-events: all;
}

.settings-header,
.avatar-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--secondary-color);
}

.settings-header h2,
.avatar-modal-header h3 {
    color: var(--accent-color);
}

.close-settings,
.close-avatar-modal {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
}

.settings-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--secondary-color);
    padding-bottom: 10px;
}

.tab-btn {
    padding: 8px 15px;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-size: 0.9rem;
}

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

.tab-content {
    display: none;
    flex-grow: 1;
    overflow-y: auto;
}

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

.setting-item {
    margin-bottom: 15px;
}

.setting-item label {
    display: block;
    margin-bottom: 5px;
    font-size: 0.9rem;
    color: var(--text-color);
}

.setting-item select,
.setting-item input[type="text"],
.setting-item input[type="range"],
.setting-item textarea {
    width: 100%;
    padding: 10px;
    border-radius: var(--border-radius);
    background: rgba(15, 22, 38, 0.5);
    color: var(--text-color);
    border: 1px solid var(--secondary-color);
}

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

.setting-item input[type="checkbox"] {
    margin-right: 10px;
}

.settings-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--secondary-color);
}

.settings-action-btn {
    padding: 10px 20px;
    border-radius: var(--border-radius);
    border: none;
    background: var(--card-bg);
    color: white;
    cursor: pointer;
    transition: var(--transition);
}

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

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

.avatar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.avatar-option {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition);
    background: var(--card-bg);
    border: 2px solid transparent;
}

.avatar-option:hover {
    border-color: var(--accent-color);
}

.avatar-option.selected {
    border-color: var(--accent-color);
    background: rgba(79, 195, 247, 0.2);
}

.custom-avatar-upload {
    margin-bottom: 20px;
}

.custom-avatar-upload label {
    display: block;
    margin-bottom: 10px;
}

.save-avatar-btn {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

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

/* Reflection Popup */
.reflection-popup {
    position: fixed;
    bottom: 20px;
    right: 20px;
    max-width: 300px;
    background: rgba(26, 34, 56, 0.9);
    border-radius: var(--border-radius);
    padding: 15px;
    box-shadow: var(--box-shadow);
    border-left: 4px solid var(--accent-color);
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition);
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.reflection-popup.show {
    transform: translateY(0);
    opacity: 1;
}

.reflection-content {
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--text-color);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        z-index: 1000;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    .main-content {
        margin-left: 0;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .param-row {
        flex-direction: column;
        gap: 15px;
    }
    
    .param-group {
        min-width: 100%;
    }
    
    .article-controls {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .article-actions {
        width: 100%;
        justify-content: flex-end;
    }
    
    .add-ins-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

@media (max-width: 480px) {
    .app-logo .logo-text {
        display: none;
    }
    
    .sidebar {
        width: 250px;
    }
    
    .add-ins-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .reflection-popup {
        max-width: calc(100% - 40px);
    }
}

/* Theme Variations */
body.theme-light {
    --primary-color: #4a6fa5;
    --secondary-color: #166088;
    --accent-color: #4fc3f7;
    --background-color: #f5f7fa;
    --sidebar-color: #ffffff;
    --text-color: #333333;
    --text-secondary: #666666;
    --card-bg: #ffffff;
}

body.theme-dark {
    --primary-color: #4a6fa5;
    --secondary-color: #166088;
    --accent-color: #4fc3f7;
    --background-color: #121212;
    --sidebar-color: #1e1e1e;
    --text-color: #e0e0e0;
    --text-secondary: #aaaaaa;
    --card-bg: #2d2d2d;
}

body.theme-space {
    --primary-color: #4a6fa5;
    --secondary-color: #166088;
    --accent-color: #4fc3f7;
    --background-color: #0f1626;
    --sidebar-color: #1a2238;
    --text-color: #e8e8e8;
    --text-secondary: #b0b0b0;
    --card-bg: rgba(26, 34, 56, 0.7);
}

body.theme-valentine {
    --primary-color: #e91e63;
    --secondary-color: #ad1457;
    --accent-color: #f06292;
    --background-color: #fce4ec;
    --sidebar-color: #f8bbd0;
    --text-color: #880e4f;
    --text-secondary: #c2185b;
    --card-bg: #ffffff;
}