/* Design System Foundation */
:root {
    /* Typography - Professional refinements for hierarchy and readability */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;  /* Enhanced fallbacks for cross-platform consistency */
    --font-heading-xl: 32px;
    --font-heading-l: 28px;
    --font-heading-m: 24px;
    --font-body: 18px;
    --font-small: 16px;
    --font-micro: 14px;
    --line-height-tight: 1.3;
    --line-height-normal: 1.6;
    --line-height-relaxed: 1.8;
    --letter-spacing-tight: -0.025em;
    --letter-spacing-normal: 0;  /* Added for body text */
    --letter-spacing-wide: 0.025em;  /* Added for headings */
    
    /* Font Weights - Professional hierarchy */
    --font-weight-normal: 400;  /* Body text */
    --font-weight-medium: 500;  /* Buttons, subheadings */
    --font-weight-semibold: 600;  /* Main headings */
    --font-weight-bold: 700;    /* Emphasis, strong text */
    
    /* New Standard Dark Color Palette - VS Code-inspired for familiarity and ease of use */
    --color-background: #1e1e1e;    /* Darker, neutral background */
    --color-surface: #252526;      /* Subtle surface elevation */
    --color-surface-raised: #2d2d30; /* Higher elevation */
    --color-border: #3e3e42;       /* Softer borders */
    
    /* Primary Colors - Blue for standard, professional feel */
    --color-primary: #007acc;      /* Standard blue primary */
    --color-primary-hover: #0098ff; /* Lighter blue on hover */
    --color-primary-active: #005a9e; /* Darker blue for active states */
    --color-primary-transparent: rgba(0, 122, 204, 0.1);
    --color-primary-transparent-hover: rgba(0, 122, 204, 0.2);
    
    /* Text Colors - Improved contrast and hierarchy */
    --color-text-primary: #ffffff;   /* Pure white for headings */
    --color-text-secondary: #cccccc; /* Light gray for body text */
    --color-text-tertiary: #999999;  /* Medium gray for secondary info */
    --color-text-quaternary: #666666; /* Dark gray for timestamps/labels */
    
    /* Feedback Colors - Adjusted to match new palette */
    --color-success: #4caf50;  /* Green, kept standard */
    --color-warning: #ff9800; /* Orange, kept standard */
    --color-error: #f44336;   /* Red, kept standard */
    --color-info: #2196f3;    /* Blue, kept standard */
    
    /* Spacing System - No changes needed, but ensures balance with new fonts */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-7: 32px;
    --space-8: 48px;
    
    /* Component Styling - No changes */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --border-radius-pill: 9999px;
    
    /* Shadows - Adjusted for new colors */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);  /* Darker shadows for contrast */
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
    
    /* Transitions - No changes */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-background);
    color: var(--color-text-secondary);
    font-size: var(--font-body);
    line-height: var(--line-height-normal);
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-5);
    min-height: 100vh;
    padding-top: 80px;
    font-weight: var(--font-weight-normal);  /* Explicit normal weight for body */
    letter-spacing: var(--letter-spacing-normal);
    -webkit-font-smoothing: antialiased;  /* Crisp rendering on WebKit browsers */
    -moz-osx-font-smoothing: grayscale;   /* Crisp rendering on Firefox/macOS */
}

/* Professional heading styles with refined weights and spacing */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-semibold);  /* Semibold for authority */
    letter-spacing: var(--letter-spacing-wide);  /* Slight expansion for elegance */
    line-height: var(--line-height-tight);  /* Tighter for headings */
    color: var(--color-text-primary);
}

/* Button and interactive elements - Medium weight for professionalism */
.btn, .auth-button, .twitter-post-button, .quotes-bytes-button {
    font-weight: var(--font-weight-medium);  /* Medium for buttons */
    letter-spacing: var(--letter-spacing-normal);
}

/* Strong emphasis - Bold weight */
strong, b {
    font-weight: var(--font-weight-bold);
}

/* Links and author names - Medium weight for subtle emphasis */
.author, .nav-link, .comment-author {
    font-weight: var(--font-weight-medium);
}

.post {
    border: 1px solid var(--color-border);
    padding: var(--space-4); 
    margin: var(--space-3) 0;
    border-radius: var(--border-radius-md);
    transition: var(--transition-normal);
}

.post:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin: var(--space-4) 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.btn {
    padding: var(--space-3) var(--space-5);
    background-color: var(--color-primary);
    color: black;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-normal);
}

.btn:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.message-input-container {
    padding: var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--space-5);
    box-shadow: var(--shadow-md);
    width: 100%;
    box-sizing: border-box;
}

#messageInput {
    width: 100%;
    min-height: 100px;
    margin-bottom: var(--space-3);
    padding: var(--space-3);
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    resize: vertical;
    font-size: var(--font-body);
    transition: var(--transition-normal);
    box-sizing: border-box;
}

#messageInput:focus {
    outline: none;
}

#messageInput::placeholder {
    color: var(--color-text-quaternary);
    font-size: 18px;
}

#messageInput:disabled, #postButton:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#postButton {
    padding: var(--space-3) var(--space-5);
    background: var(--color-primary);
    color: black;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-normal);
}

#postButton:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 173, 181, 0.2);
}

.messages-container {
    padding: var(--space-5) 0;
    display: grid;
    gap: var(--space-5);
}

.message {
    background: linear-gradient(145deg, #2A3139, var(--color-surface));
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-6);
    margin-bottom: 0;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.message:hover {
    transform: translateY(-2px) scale(1.01);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.message::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--color-primary);
    opacity: 0.5;
}

.message-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border);
}

.message-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.message-header-right {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.message-header .timestamp {
    margin-left: auto;
}

.author {
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-right: 0;
}

.author::before {
    content: '●';
    font-size: 8px;
    color: var(--color-primary);
}

.author:hover {
    text-decoration: underline;
}

.timestamp {
    font-size: var(--font-micro);
    color: var(--color-text-tertiary);
    background: transparent;
    padding: 0;
    border-radius: 0;
    letter-spacing: 0.02em;
}

.message-content {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    font-size: var(--font-small);
    padding: 0 var(--space-2);
}

.message-quote {
    margin: 0 0 var(--space-4) 0;
    padding: var(--space-4);
    background: var(--color-surface-raised);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--border-radius-md);
    position: relative;
}

.message-quote::before {
    content: none;
}

.quote-author {
    color: var(--color-text-tertiary);
    font-size: var(--font-small);
    margin-top: var(--space-2);
    padding-top: 0;
    border-top: none;
    font-style: italic;
}

/* Add responsive design for messages */
@media (max-width: 768px) {
    .message {
        padding: var(--space-5);
    }

    .message-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
    }

    .timestamp {
        font-size: var(--font-micro);
    }
}

.auth-message {
    text-align: center;
    padding: var(--space-5);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    margin: var(--space-5) 0;
    color: var (--color-primary);
}

.auth-container {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-5);
    padding: var(--space-3);
    gap: var(--space-3);
}

.auth-button, 
a.auth-button {
    padding: var(--space-2) var(--space-4);
    background: var(--color-primary);
    color: black;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-normal);
    text-decoration: none;
    display: inline-block;
}

.auth-button:hover,
a.auth-button:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    text-decoration: none;
    box-shadow: var(--shadow-sm);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-surface);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--border-radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: #404040;
}

/* Selection color */
::selection {
    background: rgba(0, 173, 181, 0.3);
    color: var(--color-text-secondary);
}

.quote-select {
    width: 100%;
    padding: var(--space-3);
    margin-bottom: var(--space-4);
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    color: var(--color-text-secondary);
    font-size: var(--font-small);
    transition: var(--transition-normal);
}

.quote-select:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 173, 181, 0.2);
}

.message-quote {
    margin-bottom: var(--space-3);
    padding: var(--space-3);
    background: var(--color-surface-raised);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--border-radius-sm);
}

.quote-author {
    color: var(--color-text-tertiary);
    font-size: var(--font-small);
    margin-top: var (--space-2);
}

.quote-search-container {
    position: relative;
    margin-bottom: var(--space-4);
    width: 100%;
    box-sizing: border-box;
}

.quote-search {
    width: 100%;
    padding: var (--space-3);
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    color: var(--color-text-secondary);
    font-size: var(--font-small);
    box-sizing: border-box;
    transition: var(--transition-normal);
}

.quote-search:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 173, 181, 0.2);
}

.quote-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 200px;
    overflow-y: auto;
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    margin-top: var(--space-2);
    z-index: 1000;
    width: 100%;
    box-sizing: border-box;
    box-shadow: var(--shadow-md);
}

.quote-option {
    padding: var(--space-3);
    cursor: pointer;
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition-fast);
}

.quote-option:hover {
    background: #424950;
}

.quote-option .quote-preview {
    color: var(--color-text-secondary);
    font-size: var(--font-small);
    margin-bottom: var(--space-1);
}

.quote-option .quote-author-preview {
    color: var(--color-text-tertiary);
    font-size: var(--font-micro);
}

.selected-quote {
    display: none;
    padding: var(--space-3);
    background: var(--color-surface);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--border-radius-sm);
    margin-top: var(--space-3);
}

.selected-quote.active {
    display: block;
    animation: fadeIn var(--transition-normal);
}

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

.clear-quote {
    float: right;
    cursor: pointer;
    color: var(--color-text-quaternary);
    font-size: var(--font-micro);
    transition: var(--transition-fast);
}

.clear-quote:hover {
    color: var(--color-primary);
}

/* Add responsive padding for mobile */
@media (max-width: 768px) {
    .message-input-container {
        padding: var(--space-4);
    }
    
    body {
        padding: var(--space-4);
    }
}

.like-container {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.like-button {
    background: linear-gradient(135deg, var(--color-surface-raised) 0%, var(--color-surface) 100%);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--border-radius-pill);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-small);
    font-weight: var(--font-weight-medium);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.like-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(0, 122, 204, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.like-button:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 4px 16px rgba(0, 122, 204, 0.2);
    border-color: var(--color-primary);
}

.like-button:active {
    transform: translateY(0) scale(0.98);
    animation: likeBounce 0.2s ease;
}

.like-button:active::before {
    width: 300px;
    height: 300px;
}

.like-button.liked {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    color: white;
    border-color: var(--color-primary);
    box-shadow: 0 4px 16px rgba(0, 122, 204, 0.4);
}

.like-button.liked:hover {
    background: linear-gradient(135deg, var(--color-primary-hover) 0%, var(--color-primary-active) 100%);
    transform: translateY(-2px) scale(1.05);
}

.like-count {
    color: var(--color-text-quaternary);
    font-size: var(--font-small);
    font-weight: var(--font-weight-medium);
    transition: color 0.3s ease;
}

.like-button.liked .like-count {
    color: var(--color-primary);
}

.like-button .heart-icon {
    font-size: var(--font-body);
    transition: transform 0.3s ease, fill 0.3s ease;
    fill: currentColor;
}

.like-button:hover .heart-icon {
    transform: scale(1.1);
}

.like-button.liked .heart-icon {
    transform: scale(1.2);
    animation: heartPulse 0.6s ease;
}

@keyframes likeBounce {
    0% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-4px) scale(1.1); }
    100% { transform: translateY(0) scale(1); }
}

@keyframes heartPulse {
    0% { transform: scale(1.2); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1.2); }
}

.profile-container {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--space-5);
    background: var(--color-surface);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
}

.profile-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-7);
    transition: var(--transition-normal);
}

.profile-form.editable {
    opacity: 1;
    pointer-events: auto;
}

.profile-form.editable input,
.profile-form.editable textarea {
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    cursor: text;
}

.profile-form.editable input:focus,
.profile-form.editable textarea:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 173, 181, 0.2);
}

.profile-header {
    margin-bottom: var(--space-7);
}

.profile-info {
    margin-top: var(--space-3);
    padding: var(--space-4);
    background: var(--color-surface-raised);
    border-radius: var(--border-radius-md);
    line-height: var(--line-height-relaxed);
}

.profile-form:not(.editable) {
    pointer-events: none;
    opacity: 0.7;
}

.profile-form:not(.editable) input,
.profile-form:not(.editable) textarea {
    background: var(--color-surface);
    border-color: var(--color-border);
}

.profile-data {
    margin: var(--space-5) 0;
    padding: var(--space-5);
    background: var(--color-surface-raised);
    border-radius: var(--border-radius-md);
}

.profile-data p {
    margin: var(--space-3) 0;
    color: var(--color-text-secondary);
}

.profile-data .label {
    color: var(--color-primary);
    font-weight: 500;
    margin-right: var(--space-3);
}

.profile-form.view-only {
    opacity: 0.7;
}

.profile-form.view-only input,
.profile-form.view-only textarea {
    cursor: not-allowed;
}

.profile-form input:not([disabled]),
.profile-form textarea:not([disabled]) {
    cursor: text;
    background: var(--color-surface-raised);
    border-color: var(--color-border);
}

.profile-form input:not([disabled]):focus,
.profile-form textarea:not([disabled]):focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(0, 173, 181, 0.2);
}

.form-group input,
.form-group textarea {
    padding: var(--space-3);
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    color: var(--color-text-secondary);
    font-size: var(--font-small);
    transition: var(--transition-normal);
}

.message-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

.comment-button {
    background: none;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--border-radius-pill);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-small);
    transition: var(--transition-normal);
}

.comment-button:hover {
    background: var(--color-primary-transparent);
    transform: translateY(-1px);
}

.comments-section {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

.comments-list {
    margin-bottom: var(--space-4);
}

.comment {
    padding: var(--space-3);
    margin: var(--space-2) 0;
    background: var(--color-surface-raised);
    border-radius: var(--border-radius-md);
    transition: var(--transition-fast);
}

.comment:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-2);
}

.comment-author {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.comment-timestamp {
    font-size: var(--font-micro);
    color: var(--color-text-quaternary);
}

.comment-content {
    color: var(--color-text-secondary);
    font-size: var(--font-small);
    line-height: var(--line-height-normal);
}

.comment-input-container {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-3);
}

.comment-input {
    flex: 1;
    padding: var(--space-2);
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    color: var(--color-text-secondary);
    resize: vertical;
    min-height: 36px;
    transition: var(--transition-normal);
}

.comment-input:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 173, 181, 0.2);
}

.comment-submit {
    padding: var(--space-2) var(--space-4);
    background: var(--color-primary);
    color: black;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-normal);
}

.comment-submit:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
}

.logo-container {
    display: none;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    padding: 0 var(--space-5);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-logo {
    height: 40px;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    transition: var(--transition-normal);
}

.header-logo:hover {
    transform: translateY(-1px);
}

.header-logo img {
    height: 100%;
    width: auto;
}

.header-logo span {
    color: var(--color-primary);
    font-size: var(--font-heading-m);
    font-weight: 600;
    letter-spacing: var(--letter-spacing-tight);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--space-5);
}

.header-nav {
    display: flex;
    align-items: center;
    gap: var(--space-5);
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-normal);
    font-weight: 500;
}

.nav-link:hover {
    color: var(--color-primary);
    background: var(--color-primary-transparent);
    transform: translateY(-1px);
}

/* Topic tag styling - specifically mentioned in file selection */
.topic-tag {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    background: var(--color-primary-transparent);
    border: 1px solid rgba(0, 173, 181, 0.3);
    border-radius: var(--border-radius-pill);
    font-size: var(--font-small);
    color: var(--color-primary);
    text-decoration: none;
    margin-right: var(--space-3);
    transition: var(--transition-normal);
}

.topic-tag:hover {
    background: var(--color-primary-transparent-hover);
    border-color: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.topic-tag::before {
    content: '#';
    margin-right: var(--space-1);
    opacity: 0.7;
}

.topics-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--space-5);
}

.topics-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-7);
    padding-bottom: var(--space-5);
    border-bottom: 1px solid var(--color-border);
}

.topics-search input {
    padding: var(--space-3) var(--space-4);
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    color: var(--color-text-secondary);
    width: 300px;
    font-size: var(--font-small);
    transition: var(--transition-normal);
}

.topics-search input:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 173, 181, 0.2);
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-5);
}

.topic-card {
    background: linear-gradient(145deg, #2A3139, var(--color-surface));
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-5);
    transition: var(--transition-normal);
    cursor: pointer;
}

.topic-card:hover {
    transform: translateY(-2px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.topic-name {
    color: var(--color-primary);
    font-size: var(--font-heading-m);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.topic-description {
    color: var(--color-text-secondary);
    font-size: var(--font-small);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-4);
}

.topic-stats {
    display: flex;
    justify-content: space-between;
    color: var(--color-text-quaternary);
    font-size: var(--font-micro);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

@media (max-width: 768px) {
    .topics-header {
        flex-direction: column;
        gap: var(--space-4);
    }

    .topics-search input {
        width: 100%;
    }

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

.topic-content-container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-5);
}

.topic-header {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: var(--space-5);
    margin-bottom: var(--space-5);
    position: relative;
}

.topic-header h1 {
    color: var(--color-primary);
    margin: 0 0 var(--space-3) 0;
    font-size: var(--font-heading-l);
    letter-spacing: var(--letter-spacing-tight);
}

.follow-button {
    padding: var(--space-2) var(--space-4);
    background: var(--color-primary);
    color: black;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-normal);
    margin-top: var(--space-4);
}

.follow-button.following {
    background: var(--color-surface-raised);
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.follow-button:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.topic-select-container {
    margin-bottom: var(--space-4);
}

.topic-select {
    width: 100%;
    padding: var(--space-3);
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    color: var(--color-text-secondary);
    font-size: var(--font-small);
    cursor: pointer;
    transition: var(--transition-normal);
}

.topic-select:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 173, 181, 0.2);
}

.topic-select option {
    background: var(--color-surface-raised);
    color: var (--color-text-secondary);
}

/* Image Upload Styles */
.image-upload-container {
    margin-bottom: var(--space-4);
    border: 1px dashed var(--color-border);
    border-radius: var(--border-radius-md);
    padding: var(--space-4);
    background-color: rgba(0, 0, 0, 0.1);
}

.image-upload-tabs {
    display: flex;
    margin-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border);
}

.image-upload-tab {
    padding: var(--space-2) var(--space-4);
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    font-size: var(--font-small);
    border-bottom: 2px solid transparent;
    transition: var(--transition-normal);
}

.image-upload-tab.active {
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
}

.image-upload-tab:hover:not(.active) {
    color: var(--color-text-primary);
    background-color: rgba(0, 0, 0, 0.1);
}

.image-upload-content {
    display: none;
}

.image-upload-content.active {
    display: block;
    animation: fadeIn var(--transition-normal);
}

.file-upload-area {
    border: 2px dashed var(--color-border);
    border-radius: var(--border-radius-md);
    padding: var(--space-5);
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
}

.file-upload-area:hover {
    border-color: var(--color-primary);
    background-color: rgba(0, 173, 181, 0.05);
}

.file-upload-area.dragover {
    border-color: var(--color-primary);
    background-color: rgba(0, 173, 181, 0.1);
}

.file-upload-label {
    display: block;
    margin-bottom: var(--space-2);
    color: var(--color-text-secondary);
}

.file-upload-icon {
    font-size: 24px;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-2);
}

#imageUrlInput {
    width: 100%;
    padding: var(--space-3);
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    color: var(--color-text-secondary);
    font-size: var(--font-small);
    margin-bottom: var(--space-3);
}

#imageUrlInput:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 173, 181, 0.2);
}

.image-preview-container {
    margin-top: var(--space-3);
    position: relative;
    display: inline-block;
    max-width: 100%;
}

.image-preview {
    max-width: 100%;
    max-height: 250px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border);
}

.remove-image-btn {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 24px;
    height: 24px;
    background: var(--color-surface-raised);
    color: var(--color-text-tertiary);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition-normal);
}

.remove-image-btn:hover {
    color: var(--color-error);
    transform: scale(1.1);
}

.message-image-container {
    margin: var(--space-3) 0;
    text-align: center;
}

.message-image {
    max-width: 100%;
    max-height: 400px;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
}

.message-image:hover {
    opacity: 0.9;
}

.hidden-file-input {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
}

/* Button Selection Styles */
.select-with-button {
    display: flex;
    gap: var(--space-3);
    width: 100%;
}

.select-with-button .topic-select,
.select-with-button .quote-search {
    flex: 1;
}

.browse-button {
    background: var(--color-surface-raised);
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: var(--border-radius-md);
    padding: var(--space-2) var(--space-3);
    cursor: pointer;
    font-size: var(--font-small);
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.browse-button:hover {
    background: var(--color-primary-transparent);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.browse-button:active {
    transform: translateY(0);
}

/* Gallery Styles */
.gallery-container {
    padding: var(--space-3);
    background: var(--color-surface-raised);
    border-radius: var(--border-radius-md);
    min-height: 200px;
}

.gallery-message {
    text-align: center;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-4);
    padding: var(--space-3);
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: var(--space-3);
}

.gallery-image {
    width: 100%;
    height: 100px;
    object-fit: cover;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-normal);
}

.gallery-image:hover {
    transform: scale(1.05);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.gallery-image.selected {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--color-primary);
}

/* Responsive adjustments */
@media (max-width: 576px) {
    .select-with-button {
        flex-direction: column;
    }
    
    .browse-button {
        width: 100%;
        justify-content: center;
    }
}

/* Twitter-style interface elements */
.twitter-style-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-3);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
}

.twitter-style-buttons {
    display: flex;
    gap: var(--space-4);
}

.twitter-action-button {
    background: none;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.twitter-action-button:hover {
    background-color: var(--color-primary-transparent);
    transform: scale(1.1);
}

.twitter-action-button svg {
    width: 20px;
    height: 20px;
}

.twitter-post-button {
    background-color: var(--color-primary);
    color: black;
    border: none;
    border-radius: var(--border-radius-pill);
    padding: var(--space-2) var(--space-5);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

.twitter-post-button:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.twitter-post-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.twitter-selector {
    margin-top: var(--space-3);
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: var(--space-4);
    box-shadow: var(--shadow-md);
    position: relative;
    animation: fadeIn var(--transition-normal);
    width: 100%; /* Fill available space */
    box-sizing: border-box;
    overflow: visible; /* Ensure dropdowns can extend outside if needed */
}

.selector-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-border);
}

.selector-header h3 {
    margin: 0;
    font-size: var(--font-heading-m);
    font-weight: 600;
    color: var(--color-text-primary);
}

.close-selector {
    background: none;
    border: none;
    color: var(--color-text-tertiary);
    font-size: 20px;
    cursor: pointer;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.close-selector:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
}

.topic-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-2);
    margin-bottom: var(--space-4);
}

.topic-chip {
    background: var(--color-surface);
    color: var(--color-primary);
    border: 1px solid var(--color-primary-transparent);
    border-radius: var(--border-radius-pill);
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-small);
    cursor: pointer;
    transition: var(--transition-normal);
}

.topic-chip:hover {
    background: var(--color-primary-transparent);
    transform: translateY(-1px);
}

.topic-search, .quote-search {
    margin-top: var(--space-3);
    position: relative; /* Ensure dropdowns position relative to this */
}

.topic-search input, .quote-search input {
    width: 100%;
    padding: var(--space-3);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    color: var(--color-text-secondary);
    font-size: var(--font-small);
    transition: var(--transition-normal);
    box-sizing: border-box; /* Include padding in width */
    margin: 0; /* Remove any default margins */
}

.topic-search input:focus, .quote-search input:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 173, 181, 0.2);
}

.search-results {
    margin-top: var(--space-2);
    max-height: 200px;
    overflow-y: auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    position: absolute; /* Make it absolute for better control */
    top: 100%;
    left: 0;
    right: 0;
    z-index: 10;
    width: 100%;
    box-sizing: border-box;
}

.search-result-item {
    padding: var(--space-3);
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: var(--transition-normal);
}

.search-result-item:hover {
    background: var(--color-surface-raised);
}

.popular-topics h4 {
    color: var(--color-text-tertiary);
    font-size: var(--font-small);
    margin-bottom: var(--space-2);
    font-weight: 500;
}

.selected-quote {
    margin-top: var(--space-3);
    padding: var(--space-3);
    background: var(--color-surface);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--border-radius-md);
    position: relative;
}

body.homepage {
    max-width: 100%;
    margin: 0;
    padding: var(--space-5);
    padding-top: 80px;
    box-sizing: border-box;
}

body.homepage #root {
    max-width: 1200px;
    margin: 0 auto;
}

.homepage-layout {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr) 260px;
    gap: var(--space-5);
    align-items: start;
}

.sidebar {
    position: sticky;
    top: calc(80px + var(--space-3));
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-4);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.sidebar-section h3 {
    margin: 0 0 var(--space-3) 0;
    color: var(--color-text-primary);
    font-size: var(--font-heading-m);
    font-weight: var(--font-weight-semibold);
}

.sidebar-links,
.sidebar-list,
.topics-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.sidebar-links a,
.sidebar-list a {
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--border-radius-md);
    transition: var(--transition-normal);
}

.sidebar-links a:hover,
.sidebar-list a:hover {
    background: var(--color-primary-transparent);
    color: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.topics-list a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--border-radius-md);
    background: var(--color-surface-raised);
    transition: var(--transition-normal);
}

.topics-list a:hover {
    background: var(--color-primary-transparent);
    color: var(--color-primary);
    transform: translateY(-1px);
}

.main-feed {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

@media (max-width: 1150px) {
    .homepage-layout {
        grid-template-columns: minmax(0, 1fr) 260px;
    }
    .sidebar-left {
        display: none;
    }
}

@media (max-width: 900px) {
    body.homepage {
        padding: var(--space-4);
    }
    .homepage-layout {
        grid-template-columns: minmax(0, 1fr);
    }
    .sidebar-right {
        display: none;
    }
    .main-feed {
        gap: var(--space-4);
    }
}

@media (max-width: 600px) {
    body.homepage {
        padding: var(--space-3);
    }
}
    body.homepage {
        padding: var(--space-3);
    }
}
    }
}
}