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Add modern design system with dark/light mode support

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jason
2026-03-08 16:21:55 -05:00
parent b9169cb939
commit d7509daf0d
1 changed files with 355 additions and 38 deletions
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391
frontend/src/app.css
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@@ -1,16 +1,59 @@
:root {
font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
line-height: 1.5;
font-weight: 400;
/* Light mode colors (white with dark gold) */
--color-bg-primary: #ffffff;
--color-bg-secondary: #f8f9fa;
--color-bg-tertiary: #e9ecef;
--color-text-primary: #1a1a1a;
--color-text-secondary: #6c757d;
--color-border: #dee2e6;
--color-accent: #b8860b; /* Dark gold */
--color-accent-hover: #8b6914;
--color-accent-light: #daa520;
--color-success: #28a745;
--color-error: #dc3545;
--color-warning: #ffc107;
color-scheme: light dark;
color: rgba(255, 255, 255, 0.87);
background-color: #242424;
/* Shadows */
--shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
--shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
--shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
--shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
font-synthesis: none;
text-rendering: optimizeLegibility;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
/* Spacing */
--space-xs: 0.25rem;
--space-sm: 0.5rem;
--space-md: 1rem;
--space-lg: 1.5rem;
--space-xl: 2rem;
--space-2xl: 3rem;
/* Border radius */
--radius-sm: 0.25rem;
--radius-md: 0.5rem;
--radius-lg: 0.75rem;
--radius-xl: 1rem;
--radius-full: 9999px;
/* Transitions */
--transition-fast: 150ms ease;
--transition-base: 250ms ease;
--transition-slow: 350ms ease;
}
/* Dark mode (black with light gold) */
[data-theme="dark"] {
--color-bg-primary: #0a0a0a;
--color-bg-secondary: #1a1a1a;
--color-bg-tertiary: #2a2a2a;
--color-text-primary: #e9ecef;
--color-text-secondary: #adb5bd;
--color-border: #3a3a3a;
--color-accent: #daa520; /* Light gold */
--color-accent-hover: #ffd700;
--color-accent-light: #f0e68c;
--color-success: #4caf50;
--color-error: #f44336;
--color-warning: #ff9800;
}
* {
@@ -19,49 +62,323 @@
box-sizing: border-box;
}
html {
font-size: 16px;
}
body {
margin: 0;
display: flex;
place-items: center;
min-width: 320px;
min-height: 100vh;
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
sans-serif;
line-height: 1.6;
color: var(--color-text-primary);
background-color: var(--color-bg-primary);
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
transition: background-color var(--transition-base), color var(--transition-base);
}
#app {
min-height: 100vh;
}
/* Typography */
h1 {
font-size: 2.5rem;
font-weight: 700;
letter-spacing: -0.02em;
color: var(--color-text-primary);
margin-bottom: var(--space-lg);
}
h2 {
font-size: 1.75rem;
font-weight: 600;
color: var(--color-text-primary);
margin-bottom: var(--space-md);
}
h3 {
font-size: 1.25rem;
font-weight: 600;
color: var(--color-text-primary);
margin-bottom: var(--space-sm);
}
p {
color: var(--color-text-secondary);
margin-bottom: var(--space-md);
}
/* Buttons */
button, .btn {
display: inline-flex;
align-items: center;
justify-content: center;
gap: var(--space-sm);
padding: var(--space-sm) var(--space-lg);
font-size: 1rem;
font-weight: 500;
font-family: inherit;
color: var(--color-bg-primary);
background-color: var(--color-accent);
border: 2px solid transparent;
border-radius: var(--radius-md);
cursor: pointer;
transition: all var(--transition-fast);
text-decoration: none;
white-space: nowrap;
}
button:hover:not(:disabled), .btn:hover:not(:disabled) {
background-color: var(--color-accent-hover);
transform: translateY(-1px);
box-shadow: var(--shadow-md);
}
button:active:not(:disabled), .btn:active:not(:disabled) {
transform: translateY(0);
}
button:disabled, .btn:disabled {
opacity: 0.5;
cursor: not-allowed;
}
button.btn-secondary {
background-color: var(--color-bg-tertiary);
color: var(--color-text-primary);
border-color: var(--color-border);
}
button.btn-secondary:hover:not(:disabled) {
background-color: var(--color-bg-secondary);
border-color: var(--color-accent);
}
button.btn-outline {
background-color: transparent;
color: var(--color-accent);
border-color: var(--color-accent);
}
button.btn-outline:hover:not(:disabled) {
background-color: var(--color-accent);
color: var(--color-bg-primary);
}
/* Inputs */
input[type="text"],
input[type="number"],
input[type="file"],
select {
width: 100%;
max-width: 1280px;
padding: var(--space-sm) var(--space-md);
font-size: 1rem;
font-family: inherit;
color: var(--color-text-primary);
background-color: var(--color-bg-secondary);
border: 2px solid var(--color-border);
border-radius: var(--radius-md);
transition: all var(--transition-fast);
}
input[type="text"]:focus,
input[type="number"]:focus,
input[type="file"]:focus,
select:focus {
outline: none;
border-color: var(--color-accent);
box-shadow: 0 0 0 3px rgba(218, 165, 32, 0.1);
}
input[type="range"] {
width: 100%;
height: 6px;
-webkit-appearance: none;
appearance: none;
background: var(--color-bg-tertiary);
border-radius: var(--radius-full);
outline: none;
}
input[type="range"]::-webkit-slider-thumb {
-webkit-appearance: none;
appearance: none;
width: 20px;
height: 20px;
background: var(--color-accent);
border-radius: 50%;
cursor: pointer;
transition: all var(--transition-fast);
}
input[type="range"]::-webkit-slider-thumb:hover {
background: var(--color-accent-hover);
transform: scale(1.1);
}
input[type="range"]::-moz-range-thumb {
width: 20px;
height: 20px;
background: var(--color-accent);
border: none;
border-radius: 50%;
cursor: pointer;
transition: all var(--transition-fast);
}
input[type="range"]::-moz-range-thumb:hover {
background: var(--color-accent-hover);
transform: scale(1.1);
}
/* Cards */
.card {
background-color: var(--color-bg-secondary);
border: 1px solid var(--color-border);
border-radius: var(--radius-lg);
padding: var(--space-xl);
box-shadow: var(--shadow-sm);
transition: all var(--transition-base);
}
.card:hover {
box-shadow: var(--shadow-md);
}
/* Utility classes */
.container {
width: 100%;
max-width: 1400px;
margin: 0 auto;
padding: 2rem;
padding: var(--space-xl);
}
.flex {
display: flex;
}
.flex-col {
flex-direction: column;
}
.items-center {
align-items: center;
}
.justify-between {
justify-content: space-between;
}
.gap-sm {
gap: var(--space-sm);
}
.gap-md {
gap: var(--space-md);
}
.gap-lg {
gap: var(--space-lg);
}
.grid {
display: grid;
}
.grid-cols-2 {
grid-template-columns: repeat(2, 1fr);
}
.text-center {
text-align: center;
}
button {
border-radius: 8px;
border: 1px solid transparent;
padding: 0.6em 1.2em;
font-size: 1em;
.text-sm {
font-size: 0.875rem;
}
.text-xs {
font-size: 0.75rem;
}
.font-medium {
font-weight: 500;
font-family: inherit;
background-color: #1a1a1a;
cursor: pointer;
transition: border-color 0.25s;
}
button:hover {
border-color: #646cff;
.font-semibold {
font-weight: 600;
}
button:focus,
button:focus-visible {
outline: 4px auto -webkit-focus-ring-color;
.mb-0 {
margin-bottom: 0;
}
@media (prefers-color-scheme: light) {
:root {
color: #213547;
background-color: #ffffff;
.mt-auto {
margin-top: auto;
}
/* Scrollbar styling */
::-webkit-scrollbar {
width: 10px;
height: 10px;
}
::-webkit-scrollbar-track {
background: var(--color-bg-secondary);
}
::-webkit-scrollbar-thumb {
background: var(--color-border);
border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
background: var(--color-accent);
}
/* Animations */
@keyframes fadeIn {
from {
opacity: 0;
transform: translateY(10px);
}
button {
background-color: #f9f9f9;
to {
opacity: 1;
transform: translateY(0);
}
}
.fade-in {
animation: fadeIn var(--transition-base) ease-out;
}
@keyframes spin {
to {
transform: rotate(360deg);
}
}
.spinner {
animation: spin 1s linear infinite;
}
/* Responsive */
@media (max-width: 768px) {
html {
font-size: 14px;
}
.container {
padding: var(--space-md);
}
h1 {
font-size: 2rem;
}
.grid-cols-2 {
grid-template-columns: 1fr;
}
}