:root {
    --primary-color: #3b82f6; /* blue-500 */
    --secondary-color: #10b981; /* emerald-500 */
    --disabled-color: #9ca3af; /* gray-400 */
    --disabled-bg-color: #e5e7eb; /* gray-200 */
    --consumer-bg: #f3f4f6; /* gray-100 */
    --agent-bg: #dbeafe; /* blue-100 */
    --text-dark: #1f2937; /* gray-800 */
    --text-light: #4b5563; /* gray-600 */
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#chat-display-area {
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 #f1f5f9;
}

#chat-display-area::-webkit-scrollbar {
    width: 6px;
}

#chat-display-area::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 10px;
}

#chat-display-area::-webkit-scrollbar-thumb {
    background-color: #cbd5e1;
    border-radius: 10px;
}

.chat-bubble {
    max-width: 80%;
    padding: 0.75rem 1rem;
    border-radius: 1rem;
    position: relative;
    word-wrap: break-word;
}

.chat-bubble .copy-icon {
    display: none;
    position: absolute;
    top: 6px;
    right: 8px;
    cursor: pointer;
    color: var(--text-light);
    padding: 2px;
    background-color: rgba(255, 255, 255, 0.6);
    border-radius: 99px;
    transition: color 0.2s ease;
}

.chat-bubble:hover .copy-icon {
    display: block;
}

.chat-bubble .copy-icon:hover {
    color: var(--primary-color);
}

.chat-bubble.consumer {
    background-color: var(--consumer-bg);
    border-bottom-left-radius: 0.25rem;
    align-self: flex-start;
}

.chat-bubble.agent {
    background-color: var(--agent-bg);
    border-bottom-right-radius: 0.25rem;
    align-self: flex-end;
}

.btn {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.2s ease-in-out;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-primary:hover:not(:disabled) {
    background-color: #2563eb; /* blue-600 */
}

.btn-secondary {
    background-color: white;
    color: var(--text-dark);
    border-color: #d1d5db; /* gray-300 */
}

.btn-secondary:hover:not(:disabled) {
    background-color: #f9fafb; /* gray-50 */
    border-color: #9ca3af; /* gray-400 */
}

.btn.active-secondary {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}
.btn.active-secondary:hover:not(:disabled) {
     background-color: #ecfdf5; /* emerald-50 */
}

.btn-disabled {
    background-color: var(--disabled-bg-color);
    color: var(--disabled-color);
    cursor: not-allowed;
    border-color: var(--disabled-bg-color);
}

#work-order-form .form-group {
    display: grid;
    grid-template-columns: 100px 1fr;
    align-items: center;
    gap: 1rem;
}

#work-order-form label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-light);
    text-align: right;
}

#work-order-form input,
#work-order-form textarea {
    width: 100%;
    font-size: 0.875rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid #d1d5db; /* gray-300 */
    border-radius: 0.375rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#work-order-form input:focus,
#work-order-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

#work-order-form input:read-only {
    background-color: var(--consumer-bg);
    color: var(--text-light);
    cursor: not-allowed;
}

#work-order-form .form-hint {
    grid-column: 2 / 3;
    font-size: 0.75rem;
    color: #9ca3af; /* gray-400 */
    margin-top: -0.75rem;
}

.spinner {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 6px solid #e5e7eb; /* gray-200 */
    border-top-color: var(--primary-color);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

#toast.show {
    opacity: 1;
    transform: translateY(0);
}