body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    background-color: #FFFFFF;
    color: #000000;
}

.container {
    text-align: center;
    margin-top: 50px;
}

.api-link {
    background-color: #EA4847;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 0;
    margin: 5px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    height: 44px;
    box-sizing: border-box;
    border: 2px solid #EA4847;
}

.api-link:hover {
    background-color: #c93a39;
}

.privacy-warning {
    background-color: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 8px;
    padding: 15px 20px;
    margin-bottom: 20px;
    text-align: left;
}

.privacy-warning p {
    margin: 0;
    color: #856404;
}

.demo-section {
    margin: 40px 0;
    text-align: left;
    background-color: #F6F3F3;
    padding: 20px;
    border-radius: 8px;
}

.input-card {
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: #fff;
    padding: 18px;
    margin-bottom: 20px;
}

.optional-card {
    border-style: dashed;
    background-color: #fcfcfc;
}

.input-card h2 {
    margin: 0 0 8px;
    font-size: 1.2em;
}

.optional-badge {
    display: inline-block;
    margin-left: 8px;
    padding: 2px 8px;
    border-radius: 999px;
    border: 1px solid #b9b9b9;
    color: #5f5f5f;
    font-size: 0.72em;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    vertical-align: middle;
}

.input-description {
    margin: 0 0 15px;
    color: #555;
    font-size: 0.95em;
}

.form-group {
    margin: 15px 0;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

textarea, input[type="file"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

textarea {
    height: 100px;
    resize: vertical;
}

button {
    background-color: #EA4847;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 0;
    cursor: pointer;
    margin: 5px;
}

button:hover {
    background-color: #c93a39;
}

.result {
    margin: 15px 0;
    padding: 10px;
    border-radius: 4px;
    min-height: 50px;
}

.result.success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.result.error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.mode-switcher {
    display: flex;
    gap: 0;
    margin-bottom: 16px;
    justify-content: flex-start;
    border-bottom: 1px solid #d6d6d6;
}

.mode-btn {
    margin: 0;
    padding: 9px 14px;
    border: none;
    border-bottom: 3px solid transparent;
    background-color: transparent;
    color: #5a5a5a;
    border-radius: 8px 8px 0 0;
    cursor: pointer;
    font-weight: 700;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    min-width: 0;
    height: auto;
    box-sizing: border-box;
}

.mode-btn:hover {
    background-color: #f0f0f0;
    color: #2e2e2e;
}

.mode-btn.active {
    background-color: #fff;
    color: #1f1f1f;
    border-bottom-color: #EA4847;
}

.input-section {
    margin: 12px 0 0;
    padding: 16px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: #F6F3F3;
}

.form-actions {
    display: none;
    gap: 10px;
    margin: 20px 0;
    justify-content: center;
}

.form-actions.visible {
    display: flex;
}

.btn-secondary {
    background-color: #314FF6;
    color: white;
    padding: 10px 20px;
    min-width: 120px;
    height: 44px;
    box-sizing: border-box;
    border: 2px solid #314FF6;
    border: none;
    border-radius: 0;
    cursor: pointer;
}

.btn-secondary:hover {
    background-color: #2840c9;
}

.file-info {
    margin-top: 10px;
    padding: 8px;
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    border-radius: 4px;
    font-size: 0.9em;
    display: none;
}

.file-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.file-meta .file-info {
    margin-top: 0;
}

.btn-file-remove {
    background-color: #ffffff;
    color: #666;
    border: 1px solid #c7c7c7;
    border-radius: 4px;
    padding: 6px 10px;
    margin: 0;
    font-size: 0.85em;
    height: auto;
}

.btn-file-remove:hover {
    background-color: #f3f3f3;
    color: #333;
}

.loading {
    text-align: center;
    padding: 20px;
    display: none;
}

.spinner {
    border: 3px solid #F6F3F3;
    border-top: 3px solid #EA4847;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 0 auto 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.result-details {
    margin: 15px 0;
}

.result-item {
    margin: 10px 0;
    padding: 8px;
    background-color: rgba(0,0,0,0.05);
    border-radius: 4px;
}

/* Overall status */
.overall-status {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 1.2em;
    font-weight: bold;
}

.overall-status.overall-pass {
    background-color: #d4edda;
    color: #155724;
    border: 2px solid #28a745;
}

.overall-status.overall-fail {
    background-color: #f8d7da;
    color: #721c24;
    border: 2px solid #dc3545;
}

.overall-icon {
    font-size: 1.5em;
    margin-right: 10px;
}

/* Evaluation list */
.evaluation-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.evaluation-subheading {
    margin: 20px 0 10px;
    font-size: 1.05em;
}

.evaluation-item {
    display: flex;
    align-items: flex-start;
    padding: 12px 15px;
    margin: 8px 0;
    border-radius: 6px;
    background-color: #F6F3F3;
    border-left: 4px solid #ddd;
}

.evaluation-item.passed {
    border-left-color: #28a745;
}

.evaluation-item.failed {
    border-left-color: #dc3545;
}

.evaluation-icon {
    font-size: 1.2em;
    font-weight: bold;
    margin-right: 12px;
    flex-shrink: 0;
    width: 24px;
    text-align: center;
}

.evaluation-icon.icon-pass {
    color: #28a745;
}

.evaluation-icon.icon-fail {
    color: #dc3545;
}

.evaluation-category {
    font-weight: bold;
    flex: 0 0 180px;
    max-width: 210px;
    white-space: normal;
    overflow-wrap: anywhere;
    margin-right: 8px;
}

.evaluation-details {
    color: #666;
    font-size: 0.9em;
    flex-grow: 1;
}

.debug-info {
    margin: 15px 0;
    padding: 10px;
    background-color: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 4px;
    font-size: 0.9em;
}

.status-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-weight: bold;
    font-size: 0.9em;
}

.status-badge.pass {
    background-color: #d4edda;
    color: #155724;
}

.status-badge.fail {
    background-color: #f8d7da;
    color: #721c24;
}

/* ===== Authentication Styles ===== */

.app-header {
    background-color: #EA4847;
    color: white;
    padding: 10px 20px;
    margin-bottom: 20px;
}

.header-content {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-title {
    font-weight: bold;
    font-size: 1.1em;
}

.auth-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.auth-loading {
    font-size: 0.9em;
    opacity: 0.8;
}

.auth-state {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid white;
}

.user-name {
    font-size: 0.9em;
}

.login-btn,
.logout-btn {
    background-color: white;
    color: #EA4847;
    padding: 6px 14px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 0.9em;
    font-weight: bold;
    transition: background-color 0.2s;
}

.login-btn:hover,
.logout-btn:hover {
    background-color: #f0f0f0;
}

.logout-btn {
    background-color: transparent;
    color: white;
    border: 1px solid white;
}

.logout-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Auth error message */
.auth-error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.auth-error p {
    margin: 0;
}

.btn-dismiss {
    background-color: #721c24;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85em;
}

.btn-dismiss:hover {
    background-color: #5a161c;
}

/* Login required message */
.login-required {
    background-color: #F6F3F3;
    border: 2px solid #EA4847;
    border-radius: 8px;
    padding: 40px;
    text-align: center;
    margin: 40px 0;
}

.login-required h3 {
    margin-top: 0;
    color: #EA4847;
}

.login-required p {
    color: #666;
    margin-bottom: 20px;
}

.login-btn-large {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #24292e;
    color: white;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 1em;
    font-weight: bold;
    transition: background-color 0.2s;
}

.login-btn-large:hover {
    background-color: #1a1e22;
}

.login-btn-large::before {
    content: "";
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-right: 10px;
    background-image: url("../images/github-mark-white.svg");
    background-size: contain;
    background-repeat: no-repeat;
}

@media (max-width: 768px) {
    body {
        margin: 0;
        max-width: 100%;
    }

    .container {
        margin-top: 20px;
        padding: 0 12px 20px;
    }

    .header-content {
        padding: 0 4px;
        gap: 12px;
    }

    .mode-switcher {
        justify-content: flex-start;
        flex-wrap: nowrap;
    }

    .mode-btn,
    .api-link,
    .btn-secondary {
        width: auto;
        min-width: 0;
    }

    .api-link,
    .btn-secondary {
        width: 100%;
    }

    .form-actions.visible {
        flex-direction: column;
        align-items: stretch;
    }

    .evaluation-item {
        flex-direction: column;
        gap: 6px;
    }

    .evaluation-category {
        min-width: 0;
    }
}