:root {
    --bg-primary: #dae0e6;
    --bg-secondary: white;
    --bg-tertiary: #f6f7f8;
    --bg-help: #fff3cd;
    --border-color: #edeff1;
    --text-primary: #1c1c1c;
    --text-secondary: #787c7e;
    --accent: #0079d3;
    --accent-hover: #0189e9;
    --orange: #ff4500;
}

body.dark {
    --bg-primary: #030303;
    --bg-secondary: #1a1a1b;
    --bg-tertiary: #272729;
    --bg-help: #1a1a1b;
    --border-color: #343536;
    --text-primary: #d7dadc;
    --text-secondary: #818384;
    --accent: #d7dadc;
    --accent-hover: #ffffff;
    --orange: #ff4500;
}

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

body {
    font-family: 'Noto Sans', sans-serif;
    background: var(--bg-primary);
    min-height: 100vh;
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    cursor: pointer;
    font-size: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    z-index: 1001;
}

.theme-toggle:hover {
    transform: scale(1.1);
}

.dark .theme-toggle {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

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

.header {
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-primary);
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-weight: 800;
}

.header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.form-container {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 32px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 40px;
}

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

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.input-group input,
.input-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s ease;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.input-group input:focus,
.input-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.input-group textarea {
    resize: vertical;
    min-height: 100px;
}

#generateBtn {
    width: 100%;
    padding: 12px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
    position: relative;
}

#generateBtn:hover {
    background: var(--accent-hover);
}

#generateBtn.loading {
    background: #7fbce9;
    pointer-events: none;
}

.btn-text {
    transition: opacity 0.3s ease;
}

.btn-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    animation: spin 1s linear infinite;
}

#generateBtn.loading .btn-text {
    opacity: 0;
}

#generateBtn.loading .btn-loader {
    opacity: 1;
}

@keyframes spin {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Help Box */
.help-box {
    margin-bottom: 20px;
}

.help-toggle {
    width: 100%;
    padding: 12px;
    background: var(--bg-help);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.help-toggle:hover {
    background: var(--bg-tertiary);
}

.help-icon {
    transition: transform 0.3s ease;
}

.help-toggle.active .help-icon {
    transform: rotate(180deg);
}

.help-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 4px 4px;
}

.help-content.active {
    max-height: 300px;
    padding: 16px;
}

.help-content h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.help-content ul {
    list-style: none;
    font-size: 13px;
    color: var(--text-secondary);
}

.help-content li {
    margin-bottom: 4px;
    line-height: 1.4;
}

.help-content strong {
    color: #b8860b;
}

/* Reddit Layout */
.reddit-container {
    max-width: 100%;
    margin: 0 auto;
    background: var(--bg-primary);
    border-radius: 8px;
    overflow: hidden;
}

.reddit-body {
    display: grid;
    grid-template-columns: 1fr 312px;
    grid-template-rows: auto 1fr;
    grid-template-areas: 
        "header header"
        "main sidebar";
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Reddit Header */
.reddit-header {
    grid-area: header;
    background: var(--bg-secondary);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.header-content {
    display: flex;
    align-items: center;
    padding: 16px;
    gap: 16px;
    border-bottom: 1px solid var(--border-color);
}

.subreddit-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
}

.subreddit-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.subreddit-info h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.subreddit-tagline {
    color: var(--text-secondary);
    font-size: 14px;
}

.join-button {
    margin-left: auto;
}

.join-btn {
    background: var(--accent);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.join-btn:hover {
    background: var(--accent-hover);
}

.header-tabs {
    display: flex;
    padding: 0 16px;
    border-bottom: 1px solid var(--border-color);
}

.tab {
    background: none;
    border: none;
    padding: 16px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    position: relative;
}

.tab.active {
    color: var(--accent);
    font-weight: 700;
}

.tab.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
}

/* Sidebar */
.sidebar {
    grid-area: sidebar;
    width: 312px;
}

.sidebar-section {
    background: var(--bg-secondary);
    border-radius: 8px;
    margin-bottom: 16px;
    overflow: hidden;
}

.sidebar-header {
    background: var(--bg-tertiary);
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-content {
    padding: 16px;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
}

.sidebar-stats {
    display: flex;
    gap: 20px;
    margin-top: 12px;
}

.stat {
    text-align: center;
    flex: 1;
}

.stat strong {
    display: block;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat span {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Rules */
.rule-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.rule-item:last-child {
    border-bottom: none;
}

.rule-item h4 {
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.rule-item p {
    font-size: 13px;
    color: var(--text-secondary);
}

/* Flairs */
.flairs-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.flair-item {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

/* Guidelines */
.guideline-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.guideline-item:last-child {
    border-bottom: none;
}

.guideline-item h4 {
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.guideline-item p {
    font-size: 13px;
    color: var(--text-secondary);
}

/* Main Content */
.main-content {
    grid-area: main;
}

.post-card {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.post-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 12px;
    color: var(--text-secondary);
}

.user {
    font-weight: 600;
    color: var(--text-primary);
}

.post-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.post-content {
    margin-bottom: 12px;
}

.post-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
}

.vote-btn,
.action-btn {
    background: none;
    border: none;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.vote-btn:hover,
.action-btn:hover {
    background: var(--bg-tertiary);
}

.upvote {
    color: #ff4500;
}

.downvote {
    color: #7193ff;
}

/* Settings */
.settings-section {
    margin-bottom: 20px;
}

.settings-toggle {
    width: 100%;
    padding: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.settings-toggle:hover {
    background: var(--bg-secondary);
}

.toggle-icon {
    transition: transform 0.3s ease;
}

.settings-toggle.active .toggle-icon {
    transform: rotate(180deg);
}

.settings-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 4px 4px;
}

.settings-panel.active {
    max-height: 600px;
    padding: 16px;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.setting-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.setting-item label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 12px;
}

.setting-item select,
.setting-item input[type="range"] {
    font-size: 14px;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.range-value {
    font-weight: 600;
    color: var(--accent);
    font-size: 14px;
    text-align: center;
}

/* Save/Load Buttons */
#saveBtn, #loadBtn {
    width: 100%;
    padding: 12px;
    margin-top: 10px;
    background: var(--orange);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#loadBtn {
    background: var(--accent);
    margin-top: 8px;
}

#saveBtn:hover {
    background: #ff5700;
}

#loadBtn:hover {
    background: var(--accent-hover);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: var(--bg-secondary);
    margin: 10% auto;
    padding: 20px;
    border: 1px solid var(--border-color);
    width: 80%;
    max-width: 600px;
    border-radius: 8px;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: #000;
}

.saved-item {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
}

.saved-item:hover {
    background-color: var(--bg-tertiary);
}

/* Scroll to top when loading saved */
.saved-item h3 {
    margin: 0;
    font-size: 16px;
    color: var(--accent);
}

.saved-item p {
    margin: 4px 0 0 0;
    font-size: 13px;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .reddit-body {
        grid-template-columns: 1fr;
        grid-template-areas: 
            "header"
            "main"
            "sidebar";
    }
    
    .sidebar {
        width: 100%;
    }
    
    .header-content {
        flex-direction: column;
        text-align: center;
    }
    
    .join-button {
        margin: 16px 0 0 0;
    }
}