spot-the-diff / src /static /css /style.css
RiceZero
fix: resolve CSP violations and enable HF Spaces iframe embedding
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/* ===== Reset & Base ===== */
*,
*::before,
*::after {
box-sizing: border-box;
margin: 0;
padding: 0;
}
:root {
--color-primary: #2563eb;
--color-primary-dark: #1d4ed8;
--color-success: #16a34a;
--color-success-dark: #15803d;
--color-bg: #f8fafc;
--color-surface: #ffffff;
--color-text: #1e293b;
--color-text-muted: #64748b;
--color-border: #e2e8f0;
--color-border-active: #2563eb;
--radius: 12px;
--shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px rgba(0, 0, 0, 0.04);
--transition: 0.2s ease;
}
html {
font-size: 16px;
-webkit-font-smoothing: antialiased;
}
body {
font-family: "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
background: var(--color-bg);
color: var(--color-text);
line-height: 1.6;
min-height: 100vh;
display: flex;
flex-direction: column;
}
/* ===== Layout ===== */
.container {
max-width: 960px;
margin: 0 auto;
padding: 0 1rem;
width: 100%;
}
main.container {
flex: 1;
padding-top: 2rem;
padding-bottom: 3rem;
}
/* ===== Header ===== */
.header {
background: var(--color-surface);
border-bottom: 1px solid var(--color-border);
padding: 0.75rem 0;
}
.header .container {
display: flex;
align-items: center;
gap: 1rem;
}
.logo {
font-size: 1.25rem;
font-weight: 700;
color: var(--color-primary);
text-decoration: none;
letter-spacing: -0.02em;
}
.tagline {
font-size: 0.8rem;
color: var(--color-text-muted);
}
/* ===== Footer ===== */
.footer {
background: var(--color-surface);
border-top: 1px solid var(--color-border);
padding: 1rem 0;
text-align: center;
font-size: 0.8rem;
color: var(--color-text-muted);
}
.footer-links {
margin-bottom: 0.5rem;
}
.footer-links a {
color: var(--color-text-muted);
text-decoration: none;
transition: color var(--transition);
padding: 0 0.5rem;
}
.footer-links a:hover {
color: var(--color-primary);
text-decoration: underline;
}
.footer-links .separator {
color: var(--color-border);
margin: 0 0.25rem;
}
.footer .copyright {
margin-top: 0.5rem;
}
/* ===== Card ===== */
.card {
background: var(--color-surface);
border: 1px solid var(--color-border);
border-radius: var(--radius);
padding: 2rem;
box-shadow: var(--shadow);
margin-bottom: 1.5rem;
}
/* ===== Hero ===== */
.hero {
text-align: center;
padding: 2rem 0 1.5rem;
}
.hero h1 {
font-size: 1.75rem;
font-weight: 700;
margin-bottom: 0.5rem;
letter-spacing: -0.02em;
}
.hero p {
color: var(--color-text-muted);
font-size: 1rem;
}
/* ===== Buttons ===== */
.btn {
display: inline-flex;
align-items: center;
justify-content: center;
padding: 0.6rem 1.25rem;
border-radius: 8px;
border: 1px solid transparent;
font-size: 0.9rem;
font-weight: 600;
cursor: pointer;
transition: background var(--transition), box-shadow var(--transition), opacity var(--transition);
text-decoration: none;
line-height: 1.4;
}
.btn:disabled {
opacity: 0.5;
cursor: not-allowed;
}
.btn--primary {
background: var(--color-primary);
color: #fff;
}
.btn--primary:hover:not(:disabled) {
background: var(--color-primary-dark);
}
.btn--success {
background: var(--color-success);
color: #fff;
}
.btn--success:hover:not(:disabled) {
background: var(--color-success-dark);
}
.btn--secondary {
background: var(--color-surface);
color: var(--color-text);
border-color: var(--color-border);
}
.btn--secondary:hover:not(:disabled) {
background: var(--color-bg);
}
.btn--large {
padding: 0.85rem 2rem;
font-size: 1rem;
}
/* ===== Drop Zone ===== */
.drop-zone {
border: 2px dashed var(--color-border);
border-radius: var(--radius);
padding: 3rem 1.5rem;
text-align: center;
transition: border-color var(--transition), background var(--transition);
cursor: pointer;
}
.drop-zone--hover {
border-color: var(--color-primary);
background: rgba(37, 99, 235, 0.04);
}
.drop-zone__icon {
font-size: 3rem;
margin-bottom: 0.75rem;
}
.drop-zone__text {
font-size: 1rem;
font-weight: 600;
margin-bottom: 0.25rem;
}
.drop-zone__or {
color: var(--color-text-muted);
font-size: 0.85rem;
margin-bottom: 0.75rem;
}
.drop-zone__hint {
margin-top: 0.75rem;
font-size: 0.8rem;
color: var(--color-text-muted);
}
/* ===== Preview ===== */
.preview-container {
text-align: center;
margin-bottom: 1.5rem;
}
.preview-image {
max-width: 100%;
max-height: 400px;
border-radius: 8px;
object-fit: contain;
border: 1px solid var(--color-border);
}
/* ===== Settings ===== */
.settings {
display: flex;
flex-direction: column;
gap: 1.25rem;
}
.settings__label {
display: block;
font-weight: 600;
font-size: 0.9rem;
margin-bottom: 0.5rem;
}
.difficulty-buttons {
display: flex;
gap: 0.5rem;
}
.diff-btn {
flex: 1;
padding: 0.75rem 0.5rem;
border: 2px solid var(--color-border);
border-radius: 8px;
background: var(--color-surface);
cursor: pointer;
font-size: 0.9rem;
font-weight: 600;
text-align: center;
transition: border-color var(--transition), background var(--transition);
}
.diff-btn:hover {
border-color: var(--color-primary);
}
.diff-btn--active {
border-color: var(--color-primary);
background: rgba(37, 99, 235, 0.06);
color: var(--color-primary);
}
.diff-btn small {
display: block;
font-weight: 400;
font-size: 0.75rem;
color: var(--color-text-muted);
margin-top: 0.15rem;
}
.diff-btn--active small {
color: var(--color-primary);
}
.settings__actions {
display: flex;
gap: 0.75rem;
justify-content: flex-end;
}
.error-message {
margin-top: 1rem;
padding: 0.75rem 1rem;
background: #fef2f2;
color: #dc2626;
border-radius: 8px;
font-size: 0.85rem;
border: 1px solid #fecaca;
}
/* ===== Processing ===== */
.processing-card {
text-align: center;
padding: 3rem 2rem;
}
.processing-card h2 {
margin-bottom: 2rem;
}
.progress-container {
max-width: 480px;
margin: 0 auto 1.5rem;
}
.progress-bar {
width: 100%;
height: 12px;
background: var(--color-bg);
border-radius: 6px;
overflow: hidden;
border: 1px solid var(--color-border);
}
.progress-bar__fill {
height: 100%;
background: linear-gradient(90deg, var(--color-primary) 0%, #60a5fa 100%);
border-radius: 6px;
transition: width 0.4s ease;
}
.progress-text {
font-size: 1.5rem;
font-weight: 700;
color: var(--color-primary);
margin-top: 0.75rem;
}
.step-text {
color: var(--color-text-muted);
margin-bottom: 2rem;
font-size: 0.9rem;
}
.processing-animation {
display: flex;
justify-content: center;
}
.spinner {
width: 48px;
height: 48px;
border: 4px solid var(--color-border);
border-top-color: var(--color-primary);
border-radius: 50%;
animation: spin 0.8s linear infinite;
}
@keyframes spin {
to {
transform: rotate(360deg);
}
}
.estimated-time {
margin-top: 1.5rem;
font-size: 0.9rem;
color: var(--color-text-muted);
font-weight: 600;
}
/* Process steps visualization */
.process-steps {
max-width: 600px;
margin: 2.5rem auto 2rem;
display: flex;
justify-content: space-between;
gap: 0.75rem;
}
.step {
flex: 1;
display: flex;
flex-direction: column;
align-items: center;
gap: 0.5rem;
padding: 1rem 0.5rem;
border-radius: 8px;
background: var(--color-bg);
border: 2px solid var(--color-border);
transition: all 0.3s ease;
}
.step.in-progress {
border-color: var(--color-primary);
background: rgba(37, 99, 235, 0.05);
transform: scale(1.05);
}
.step.complete {
border-color: var(--color-success);
background: rgba(22, 163, 74, 0.05);
}
.step-icon {
font-size: 2rem;
line-height: 1;
transition: transform 0.3s ease;
}
.step.in-progress .step-icon {
animation: pulse 1.5s ease-in-out infinite;
}
.step.complete .step-icon {
animation: bounce 0.5s ease-out;
}
@keyframes pulse {
0%, 100% {
transform: scale(1);
opacity: 1;
}
50% {
transform: scale(1.1);
opacity: 0.8;
}
}
@keyframes bounce {
0% {
transform: scale(1);
}
50% {
transform: scale(1.2);
}
100% {
transform: scale(1);
}
}
.step-label {
font-size: 0.75rem;
font-weight: 600;
text-align: center;
color: var(--color-text);
}
.step-status {
font-size: 0.65rem;
color: var(--color-text-muted);
text-align: center;
}
.step.in-progress .step-status {
color: var(--color-primary);
font-weight: 600;
}
.step.complete .step-status {
color: var(--color-success);
font-weight: 600;
}
@media (max-width: 640px) {
.process-steps {
flex-direction: column;
gap: 0.5rem;
}
.step {
flex-direction: row;
justify-content: flex-start;
padding: 0.75rem;
}
.step-icon {
font-size: 1.5rem;
min-width: 2rem;
}
.step-label,
.step-status {
text-align: left;
}
}
/* ===== Result ===== */
.result-info {
display: flex;
gap: 0.5rem;
flex-wrap: wrap;
margin-bottom: 1.5rem;
}
.badge {
display: inline-block;
padding: 0.3rem 0.75rem;
border-radius: 20px;
font-size: 0.8rem;
font-weight: 600;
background: var(--color-primary);
color: #fff;
}
.badge--outline {
background: transparent;
color: var(--color-text);
border: 1px solid var(--color-border);
}
.comparison {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 1rem;
margin-bottom: 1.5rem;
}
.comparison__panel h3 {
font-size: 0.9rem;
font-weight: 600;
margin-bottom: 0.5rem;
text-align: center;
}
.comparison__image {
width: 100%;
border-radius: 8px;
border: 1px solid var(--color-border);
object-fit: contain;
}
.result-actions {
display: flex;
flex-wrap: wrap;
gap: 0.5rem;
margin-bottom: 1.5rem;
}
.answers {
border-top: 1px solid var(--color-border);
padding-top: 1.25rem;
}
.answers h3 {
font-size: 1rem;
font-weight: 600;
margin-bottom: 0.75rem;
}
.answers ul {
list-style: none;
display: flex;
flex-direction: column;
gap: 0.5rem;
}
.answers li {
padding: 0.5rem 0.75rem;
background: var(--color-bg);
border-radius: 6px;
font-size: 0.85rem;
}
.answers li strong {
display: inline-block;
min-width: 5em;
}
/* ===== Responsive ===== */
@media (max-width: 640px) {
.hero h1 {
font-size: 1.35rem;
}
.card {
padding: 1.25rem;
}
.comparison {
grid-template-columns: 1fr;
}
.settings__actions {
flex-direction: column;
}
.result-actions {
flex-direction: column;
}
.result-actions .btn {
width: 100%;
}
.difficulty-buttons {
flex-direction: column;
}
}
/* ===== Utility Classes ===== */
.text-center {
text-align: center;
}
.mt-10 {
margin-top: 10px;
}
.mt-20 {
margin-top: 20px;
}
.a4-image {
max-width: 100%;
border: 1px solid #ddd;
}