/* HyperCube Studio Forum - Main Styles */

:root {
    /* Colors */
    --primary-start: #667eea;
    --primary-end: #764ba2;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --text-primary: #1a202c;
    --text-secondary: #718096;
    --bg-primary: #ffffff;
    --bg-secondary: #f7fafc;
    --border: #e2e8f0;
    --shadow: rgba(0, 0, 0, 0.1);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Inter', sans-serif;
    --font-code: 'Fira Code', 'Courier New', monospace;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-start) 0%, var(--primary-end) 100%);
    color: white;
    padding: var(--spacing-md) 0;
    box-shadow: 0 4px 6px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo {
    width: 50px;
    height: 50px;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
}

.site-subtitle {
    font-size: 0.9rem;
    opacity: 0.9;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Buttons */
.btn {
    padding: 0.5rem 1.25rem;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    white-space: nowrap;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: 0.5rem;
}

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

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

.btn-danger:hover {
    background: #dc2626;
}

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

.btn-success:hover {
    background: #059669;
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    overflow: hidden;
}

.lang-btn {
    padding: 0.4rem 0.8rem;
    background: transparent;
    color: white;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-fast);
}

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

/* Dark Mode Toggle */
.dark-mode-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.dark-mode-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(20deg);
}

/* User Profile */
.user-profile {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid white;
}

.user-name {
    font-weight: 600;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Main Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
    flex: 1;
}

/* App Grid */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

/* App Card */
.app-card {
    background: var(--bg-primary);
    border-radius: 16px;
    padding: var(--spacing-lg);
    box-shadow: 0 4px 6px var(--shadow);
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.app-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px var(--shadow);
    border-color: var(--primary-start);
}

.app-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-start) 0%, var(--primary-end) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.app-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.app-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.app-stats {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.app-stat {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* App Detail Page */
.app-header {
    background: var(--bg-primary);
    border-radius: 16px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 4px 6px var(--shadow);
}

.app-header-top {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.app-download-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-start) 0%, var(--primary-end) 100%);
    color: white;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-normal);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(102, 126, 234, 0.3);
}

/* Comments Section */
.comments-section {
    background: var(--bg-primary);
    border-radius: 16px;
    padding: var(--spacing-lg);
    box-shadow: 0 4px 6px var(--shadow);
}

.comments-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.comments-title {
    font-size: 1.5rem;
    font-weight: 700;
}

.comments-controls {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    flex-wrap: wrap;
}

/* Search Box */
.search-box {
    position: relative;
}

.search-input {
    padding: 0.5rem 1rem 0.5rem 2.5rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    width: 250px;
    transition: var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-start);
}

.search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

/* Sort Selector */
.sort-select {
    padding: 0.5rem 1rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    cursor: pointer;
    background: var(--bg-primary);
    transition: var(--transition-fast);
}

.sort-select:focus {
    outline: none;
    border-color: var(--primary-start);
}

/* Comment Form */
.comment-form {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: 12px;
}

.comment-textarea {
    width: 100%;
    min-height: 120px;
    padding: var(--spacing-sm);
    border: 2px solid var(--border);
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    resize: vertical;
    transition: var(--transition-fast);
}

.comment-textarea:focus {
    outline: none;
    border-color: var(--primary-start);
}

.comment-form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-sm);
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.char-count {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.char-count.warning {
    color: var(--warning);
}

.char-count.danger {
    color: var(--danger);
}

.form-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

/* Comments List */
.comments-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.comment {
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 2px solid transparent;
    transition: var(--transition-fast);
}

.comment.pinned {
    border-color: var(--warning);
    background: #fffbeb;
}

.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.comment-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.comment-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.comment-author-info {
    display: flex;
    flex-direction: column;
}

.comment-author-name {
    font-weight: 600;
    color: var(--text-primary);
}

.comment-date {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

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

.icon-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0.25rem;
    border-radius: 4px;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    background: var(--border);
    color: var(--text-primary);
}

.comment-content {
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
    word-wrap: break-word;
}

/* Markdown Styles */
.comment-content h1,
.comment-content h2,
.comment-content h3 {
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.comment-content code {
    background: var(--bg-primary);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: var(--font-code);
    font-size: 0.9em;
}

.comment-content pre {
    background: var(--bg-primary);
    padding: var(--spacing-sm);
    border-radius: 8px;
    overflow-x: auto;
    margin: var(--spacing-sm) 0;
}

.comment-content pre code {
    background: none;
    padding: 0;
}

.comment-content blockquote {
    border-left: 4px solid var(--primary-start);
    padding-left: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
    color: var(--text-secondary);
}

/* Reactions */
.comment-reactions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--spacing-sm);
}

.reaction-btn {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.4rem 0.8rem;
    background: var(--bg-primary);
    border: 2px solid var(--border);
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.9rem;
}

.reaction-btn:hover {
    border-color: var(--primary-start);
    transform: scale(1.05);
}

.reaction-btn.active {
    background: linear-gradient(135deg, var(--primary-start) 0%, var(--primary-end) 100%);
    color: white;
    border-color: var(--primary-start);
}

.reaction-emoji {
    font-size: 1.1rem;
}

.reaction-count {
    font-weight: 600;
}

/* Reply */
.comment-replies {
    margin-left: var(--spacing-lg);
    margin-top: var(--spacing-md);
    border-left: 3px solid var(--border);
    padding-left: var(--spacing-md);
}

.reply-form {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-primary);
    border-radius: 8px;
}

.reply-textarea {
    width: 100%;
    min-height: 80px;
    padding: var(--spacing-sm);
    border: 2px solid var(--border);
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    resize: vertical;
}

.reply-textarea:focus {
    outline: none;
    border-color: var(--primary-start);
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: var(--spacing-lg) 0;
    text-align: center;
    margin-top: var(--spacing-xl);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Loading */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-xl);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border);
    border-top-color: var(--primary-start);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--text-primary);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 12px;
    box-shadow: 0 8px 24px var(--shadow);
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

.toast.success {
    background: var(--success);
}

.toast.error {
    background: var(--danger);
}

.toast.warning {
    background: var(--warning);
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

/* Responsive */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .header-actions {
        justify-content: space-between;
        width: 100%;
    }
    
    .apps-grid {
        grid-template-columns: 1fr;
    }
    
    .search-input {
        width: 100%;
    }
    
    .comment-replies {
        margin-left: var(--spacing-sm);
        padding-left: var(--spacing-sm);
    }
    
    .comments-controls {
        width: 100%;
    }
    
    .search-box {
        width: 100%;
    }
}

/* Pinned Badge */
.pinned-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: var(--warning);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Admin Badge */
.admin-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: var(--danger);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

/* Back Button */
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    transition: var(--transition-fast);
}

.back-btn:hover {
    color: var(--primary-start);
    transform: translateX(-4px);
}