V8 / frontend /css /main.css
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/* Synapse V8 — Liquid Glass UI */
:root {
--bg-primary: #0a0a0f;
--bg-secondary: #12121a;
--bg-tertiary: #1a1a2e;
--bg-glass: rgba(255, 255, 255, 0.03);
--bg-glass-hover: rgba(255, 255, 255, 0.06);
--border-glass: rgba(255, 255, 255, 0.08);
--border-accent: rgba(99, 102, 241, 0.3);
--text-primary: #f0f0f5;
--text-secondary: #a0a0b8;
--text-muted: #606080;
--accent-primary: #6366f1;
--accent-secondary: #8b5cf6;
--accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #a855f7);
--accent-glow: rgba(99, 102, 241, 0.15);
--success: #22c55e;
--warning: #f59e0b;
--error: #ef4444;
--blur-amount: 20px;
--radius-sm: 8px;
--radius-md: 12px;
--radius-lg: 16px;
--radius-xl: 24px;
--shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
--shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
--shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
--transition-fast: 150ms ease;
--transition-normal: 250ms ease;
--transition-slow: 400ms ease;
--sidebar-width: 280px;
--header-height: 60px;
}
[data-theme="light"] {
--bg-primary: #f8f9fc;
--bg-secondary: #ffffff;
--bg-tertiary: #f0f1f5;
--bg-glass: rgba(255, 255, 255, 0.7);
--bg-glass-hover: rgba(255, 255, 255, 0.85);
--border-glass: rgba(0, 0, 0, 0.08);
--border-accent: rgba(99, 102, 241, 0.3);
--text-primary: #1a1a2e;
--text-secondary: #555570;
--text-muted: #9090a8;
}
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
background: var(--bg-primary);
color: var(--text-primary);
overflow: hidden;
height: 100vh;
width: 100vw;
}
/* === LAYOUT === */
.app-layout {
display: flex;
height: 100vh;
width: 100vw;
}
/* === SIDEBAR === */
.sidebar {
width: var(--sidebar-width);
background: var(--bg-secondary);
border-right: 1px solid var(--border-glass);
display: flex;
flex-direction: column;
transition: transform var(--transition-normal);
z-index: 100;
backdrop-filter: blur(var(--blur-amount));
}
.sidebar.collapsed {
transform: translateX(-100%);
position: absolute;
}
.sidebar-header {
padding: 16px 20px;
border-bottom: 1px solid var(--border-glass);
display: flex;
align-items: center;
gap: 12px;
}
.sidebar-logo {
width: 32px;
height: 32px;
border-radius: var(--radius-sm);
background: var(--accent-gradient);
display: flex;
align-items: center;
justify-content: center;
font-weight: 700;
font-size: 14px;
color: white;
}
.sidebar-title {
font-size: 16px;
font-weight: 600;
background: var(--accent-gradient);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
}
.new-chat-btn {
margin: 12px 16px;
padding: 10px 16px;
border: 1px dashed var(--border-accent);
border-radius: var(--radius-md);
background: var(--bg-glass);
color: var(--accent-primary);
font-size: 14px;
font-weight: 500;
cursor: pointer;
transition: all var(--transition-fast);
text-align: center;
}
.new-chat-btn:hover {
background: var(--accent-glow);
border-color: var(--accent-primary);
}
.chat-list {
flex: 1;
overflow-y: auto;
padding: 8px;
}
.chat-list::-webkit-scrollbar {
width: 4px;
}
.chat-list::-webkit-scrollbar-thumb {
background: var(--border-glass);
border-radius: 4px;
}
.chat-item {
padding: 10px 14px;
border-radius: var(--radius-sm);
cursor: pointer;
transition: all var(--transition-fast);
margin-bottom: 2px;
display: flex;
align-items: center;
gap: 10px;
}
.chat-item:hover {
background: var(--bg-glass-hover);
}
.chat-item.active {
background: var(--accent-glow);
border: 1px solid var(--border-accent);
}
.chat-item-title {
font-size: 13px;
color: var(--text-secondary);
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.chat-item-icon {
font-size: 14px;
opacity: 0.5;
}
/* === MAIN CONTENT === */
.main-content {
flex: 1;
display: flex;
flex-direction: column;
min-width: 0;
}
/* === HEADER === */
.header {
height: var(--header-height);
border-bottom: 1px solid var(--border-glass);
display: flex;
align-items: center;
padding: 0 20px;
gap: 16px;
background: var(--bg-glass);
backdrop-filter: blur(var(--blur-amount));
}
.menu-btn {
display: none;
background: none;
border: none;
color: var(--text-secondary);
font-size: 20px;
cursor: pointer;
padding: 4px 8px;
border-radius: var(--radius-sm);
}
.menu-btn:hover {
background: var(--bg-glass-hover);
}
.header-title {
font-size: 15px;
font-weight: 600;
}
.header-actions {
margin-left: auto;
display: flex;
gap: 8px;
align-items: center;
}
.header-btn {
background: var(--bg-glass);
border: 1px solid var(--border-glass);
color: var(--text-secondary);
padding: 6px 12px;
border-radius: var(--radius-sm);
font-size: 13px;
cursor: pointer;
transition: all var(--transition-fast);
display: flex;
align-items: center;
gap: 6px;
}
.header-btn:hover {
background: var(--bg-glass-hover);
color: var(--text-primary);
}
.mode-selector {
background: var(--bg-glass);
border: 1px solid var(--border-glass);
border-radius: var(--radius-sm);
padding: 4px;
display: flex;
gap: 2px;
}
.mode-btn {
background: none;
border: none;
color: var(--text-muted);
padding: 4px 10px;
border-radius: 6px;
font-size: 12px;
cursor: pointer;
transition: all var(--transition-fast);
}
.mode-btn.active {
background: var(--accent-primary);
color: white;
}
.mode-btn:hover:not(.active) {
background: var(--bg-glass-hover);
color: var(--text-primary);
}
/* === CHAT AREA === */
.chat-area {
flex: 1;
overflow-y: auto;
padding: 20px;
scroll-behavior: smooth;
}
.chat-area::-webkit-scrollbar {
width: 6px;
}
.chat-area::-webkit-scrollbar-thumb {
background: var(--border-glass);
border-radius: 4px;
}
.message {
max-width: 800px;
margin: 0 auto 16px;
animation: fadeInUp 0.3s ease;
}
@keyframes fadeInUp {
from { opacity: 0; transform: translateY(10px); }
to { opacity: 1; transform: translateY(0); }
}
.message-bubble {
padding: 16px 20px;
border-radius: var(--radius-lg);
background: var(--bg-glass);
border: 1px solid var(--border-glass);
backdrop-filter: blur(10px);
line-height: 1.6;
font-size: 14px;
}
.message.user .message-bubble {
background: var(--accent-primary);
color: white;
border-color: transparent;
border-bottom-right-radius: 4px;
margin-left: auto;
max-width: 70%;
}
.message.assistant .message-bubble {
background: var(--bg-glass);
border-bottom-left-radius: 4px;
}
.message.system .message-bubble {
background: rgba(245, 158, 11, 0.1);
border-color: rgba(245, 158, 11, 0.2);
font-size: 13px;
text-align: center;
}
.message-avatar {
width: 28px;
height: 28px;
border-radius: var(--radius-sm);
display: flex;
align-items: center;
justify-content: center;
font-size: 12px;
margin-bottom: 6px;
}
.message.assistant .message-avatar {
background: var(--accent-gradient);
color: white;
}
.message-meta {
font-size: 11px;
color: var(--text-muted);
margin-top: 6px;
display: flex;
align-items: center;
gap: 8px;
}
/* === THINKING ANIMATION === */
.thinking-indicator {
display: flex;
align-items: center;
gap: 12px;
padding: 16px 20px;
background: var(--bg-glass);
border: 1px solid var(--border-glass);
border-radius: var(--radius-lg);
max-width: 800px;
margin: 0 auto 16px;
}
.thinking-dots {
display: flex;
gap: 4px;
}
.thinking-dots span {
width: 8px;
height: 8px;
border-radius: 50%;
background: var(--accent-primary);
animation: thinking 1.4s infinite ease-in-out;
}
.thinking-dots span:nth-child(1) { animation-delay: 0s; }
.thinking-dots span:nth-child(2) { animation-delay: 0.2s; }
.thinking-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes thinking {
0%, 80%, 100% { transform: scale(0.6); opacity: 0.3; }
40% { transform: scale(1); opacity: 1; }
}
.thinking-text {
font-size: 13px;
color: var(--text-muted);
}
/* === INPUT AREA === */
.input-area {
padding: 16px 20px 20px;
border-top: 1px solid var(--border-glass);
background: var(--bg-glass);
backdrop-filter: blur(var(--blur-amount));
}
.input-container {
max-width: 800px;
margin: 0 auto;
display: flex;
gap: 8px;
align-items: flex-end;
}
.input-wrapper {
flex: 1;
background: var(--bg-tertiary);
border: 1px solid var(--border-glass);
border-radius: var(--radius-lg);
padding: 12px 16px;
display: flex;
align-items: flex-end;
gap: 8px;
transition: border-color var(--transition-fast);
}
.input-wrapper:focus-within {
border-color: var(--accent-primary);
box-shadow: 0 0 0 3px var(--accent-glow);
}
.input-wrapper textarea {
flex: 1;
background: none;
border: none;
color: var(--text-primary);
font-size: 14px;
font-family: inherit;
resize: none;
outline: none;
line-height: 1.5;
max-height: 150px;
min-height: 20px;
}
.input-wrapper textarea::placeholder {
color: var(--text-muted);
}
.input-actions {
display: flex;
gap: 4px;
align-items: center;
}
.input-action-btn {
background: none;
border: none;
color: var(--text-muted);
padding: 4px 6px;
border-radius: 6px;
cursor: pointer;
font-size: 16px;
transition: all var(--transition-fast);
}
.input-action-btn:hover {
background: var(--bg-glass-hover);
color: var(--text-primary);
}
.send-btn {
width: 40px;
height: 40px;
border-radius: var(--radius-md);
background: var(--accent-gradient);
border: none;
color: white;
font-size: 16px;
cursor: pointer;
transition: all var(--transition-fast);
display: flex;
align-items: center;
justify-content: center;
flex-shrink: 0;
}
.send-btn:hover {
transform: scale(1.05);
box-shadow: 0 0 20px var(--accent-glow);
}
.send-btn:disabled {
opacity: 0.5;
cursor: not-allowed;
transform: none;
}
/* === WELCOME SCREEN === */
.welcome-screen {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
height: 100%;
text-align: center;
padding: 40px 20px;
}
.welcome-logo {
width: 80px;
height: 80px;
border-radius: var(--radius-xl);
background: var(--accent-gradient);
display: flex;
align-items: center;
justify-content: center;
font-size: 36px;
font-weight: 700;
color: white;
margin-bottom: 24px;
box-shadow: 0 0 60px var(--accent-glow);
animation: pulse-glow 3s ease-in-out infinite;
}
@keyframes pulse-glow {
0%, 100% { box-shadow: 0 0 60px var(--accent-glow); }
50% { box-shadow: 0 0 80px rgba(99, 102, 241, 0.3); }
}
.welcome-title {
font-size: 28px;
font-weight: 700;
margin-bottom: 8px;
background: var(--accent-gradient);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
}
.welcome-subtitle {
font-size: 15px;
color: var(--text-secondary);
margin-bottom: 40px;
max-width: 500px;
}
.quick-actions {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 12px;
max-width: 600px;
width: 100%;
}
.quick-action {
padding: 16px;
background: var(--bg-glass);
border: 1px solid var(--border-glass);
border-radius: var(--radius-md);
cursor: pointer;
transition: all var(--transition-fast);
text-align: left;
}
.quick-action:hover {
background: var(--bg-glass-hover);
border-color: var(--border-accent);
transform: translateY(-2px);
}
.quick-action-icon {
font-size: 24px;
margin-bottom: 8px;
}
.quick-action-title {
font-size: 14px;
font-weight: 600;
margin-bottom: 4px;
}
.quick-action-desc {
font-size: 12px;
color: var(--text-muted);
}
/* === SETTINGS PANEL === */
.settings-panel {
position: fixed;
top: 0;
right: -400px;
width: 400px;
height: 100vh;
background: var(--bg-secondary);
border-left: 1px solid var(--border-glass);
backdrop-filter: blur(var(--blur-amount));
transition: right var(--transition-normal);
z-index: 200;
display: flex;
flex-direction: column;
}
.settings-panel.open {
right: 0;
}
.settings-header {
padding: 16px 20px;
border-bottom: 1px solid var(--border-glass);
display: flex;
align-items: center;
justify-content: space-between;
}
.settings-title {
font-size: 16px;
font-weight: 600;
}
.settings-close {
background: none;
border: none;
color: var(--text-secondary);
font-size: 20px;
cursor: pointer;
}
.settings-body {
flex: 1;
overflow-y: auto;
padding: 20px;
}
.setting-group {
margin-bottom: 24px;
}
.setting-group-title {
font-size: 12px;
font-weight: 600;
text-transform: uppercase;
letter-spacing: 0.5px;
color: var(--text-muted);
margin-bottom: 12px;
}
.setting-item {
display: flex;
align-items: center;
justify-content: space-between;
padding: 10px 0;
border-bottom: 1px solid var(--border-glass);
}
.setting-label {
font-size: 14px;
color: var(--text-secondary);
}
.setting-control {
display: flex;
align-items: center;
gap: 8px;
}
select, input[type="range"], input[type="text"] {
background: var(--bg-tertiary);
border: 1px solid var(--border-glass);
color: var(--text-primary);
padding: 6px 10px;
border-radius: 6px;
font-size: 13px;
outline: none;
}
select:focus, input:focus {
border-color: var(--accent-primary);
}
.toggle {
width: 40px;
height: 22px;
border-radius: 11px;
background: var(--bg-tertiary);
border: 1px solid var(--border-glass);
position: relative;
cursor: pointer;
transition: all var(--transition-fast);
}
.toggle.active {
background: var(--accent-primary);
border-color: var(--accent-primary);
}
.toggle::after {
content: '';
width: 16px;
height: 16px;
border-radius: 50%;
background: white;
position: absolute;
top: 2px;
left: 2px;
transition: transform var(--transition-fast);
}
.toggle.active::after {
transform: translateX(18px);
}
/* === RESPONSIVE === */
@media (max-width: 768px) {
.sidebar {
position: fixed;
left: 0;
top: 0;
height: 100vh;
transform: translateX(-100%);
}
.sidebar.open {
transform: translateX(0);
}
.menu-btn {
display: flex;
}
.quick-actions {
grid-template-columns: 1fr;
}
.settings-panel {
width: 100%;
right: -100%;
}
.message.user .message-bubble {
max-width: 90%;
}
}
/* === SCROLLBAR === */
::-webkit-scrollbar {
width: 6px;
height: 6px;
}
::-webkit-scrollbar-track {
background: transparent;
}
::-webkit-scrollbar-thumb {
background: var(--border-glass);
border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
background: rgba(255, 255, 255, 0.15);
}
/* === CODE BLOCKS === */
pre {
background: var(--bg-tertiary);
border: 1px solid var(--border-glass);
border-radius: var(--radius-sm);
padding: 12px;
overflow-x: auto;
margin: 8px 0;
font-size: 13px;
}
code {
font-family: 'SF Mono', 'Fira Code', 'JetBrains Mono', monospace;
font-size: 13px;
}
.inline-code {
background: var(--bg-tertiary);
padding: 2px 6px;
border-radius: 4px;
font-size: 12px;
}
/* === PROGRESS BAR === */
.progress-bar {
width: 100%;
height: 4px;
background: var(--bg-tertiary);
border-radius: 2px;
overflow: hidden;
margin: 8px 0;
}
.progress-fill {
height: 100%;
background: var(--accent-gradient);
border-radius: 2px;
transition: width var(--transition-normal);
}
/* === FILE UPLOAD === */
.file-upload-zone {
border: 2px dashed var(--border-glass);
border-radius: var(--radius-md);
padding: 24px;
text-align: center;
color: var(--text-muted);
transition: all var(--transition-fast);
cursor: pointer;
}
.file-upload-zone:hover,
.file-upload-zone.dragover {
border-color: var(--accent-primary);
background: var(--accent-glow);
}
/* === OVERLAY === */
.overlay {
display: none;
position: fixed;
inset: 0;
background: rgba(0, 0, 0, 0.5);
z-index: 99;
}
.overlay.active {
display: block;
}