/* ========================================
   Solutions Page - GEO AI 问答
   ======================================== */

/* Chat messages scrollbar */
#chat-messages {
    scroll-behavior: smooth;
}

.solutions-workspace {
    transition: max-width 0.24s ease;
}

.solutions-chat-stage {
    min-width: 0;
}

.solutions-stage-toolbar {
    flex-shrink: 0;
}

#new-conversation-btn {
    width: 2.25rem;
    height: 2.25rem;
    min-width: 2.25rem;
    border-radius: 999px;
}

#new-conversation-btn .material-symbols-outlined {
    font-size: 1.55rem;
    line-height: 1;
}

.solutions-right-sidebar {
    transition: width 0.24s ease, padding 0.24s ease, opacity 0.2s ease, border-color 0.2s ease;
}

.solutions-workspace.solutions-workspace--sidebar-collapsed .solutions-right-sidebar {
    width: 0 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    border-left-color: transparent;
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
}

/* Chat input auto-resize */
#chat-input {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
}

#chat-input:focus {
    outline: none;
}

/* Send button animation */
#send-btn:active {
    transform: scale(0.95);
}

/* History list active indicator */
#history-list > div.active {
    border-left-color: var(--md-sys-color-primary, #2563EB);
    background: white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

/* Tag styles for chat */
.tag-primary {
    background-color: rgba(37, 99, 235, 0.08);
    color: #2563EB;
}

/* Analysis card hover */
.shadow-card {
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

/* Typing indicator */
.typing-indicator span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #94a3b8;
    display: inline-block;
    animation: typing 1.2s infinite;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.15s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-4px); }
}

.solution-stream-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.22rem;
    margin-left: 0.1rem;
}

.solution-stream-badge span {
    width: 0.38rem;
    height: 0.38rem;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.5);
    animation: solution-stream-badge-pulse 1.05s ease-in-out infinite;
}

.solution-stream-badge span:nth-child(2) {
    animation-delay: 0.14s;
}

.solution-stream-badge span:nth-child(3) {
    animation-delay: 0.28s;
}

@keyframes solution-stream-badge-pulse {
    0%, 100% { opacity: 0.25; transform: scale(0.82); }
    50% { opacity: 1; transform: scale(1); }
}

.solution-stream-skeleton {
    display: grid;
    gap: 0.72rem;
    padding: 0.15rem 0 0.1rem;
}

.solution-stream-skeleton__line {
    display: block;
    height: 0.9rem;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(226, 232, 240, 0.7) 0%, rgba(239, 246, 255, 0.95) 48%, rgba(226, 232, 240, 0.7) 100%);
    background-size: 220% 100%;
    animation: solution-stream-skeleton 1.4s ease-in-out infinite;
}

.solution-stream-skeleton__line--long {
    width: min(100%, 28rem);
}

.solution-stream-skeleton__line--mid {
    width: min(82%, 21rem);
    animation-delay: 0.12s;
}

.solution-stream-skeleton__line--short {
    width: min(66%, 15rem);
    animation-delay: 0.24s;
}

@keyframes solution-stream-skeleton {
    0% { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}

/* Markdown body */
.solution-markdown {
    color: #334155;
    font-size: 15px;
    line-height: 1.9;
}

.solution-markdown--streaming::after {
    content: '';
    display: inline-block;
    width: 0.55rem;
    height: 1.1em;
    margin-left: 0.25rem;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.75);
    vertical-align: text-bottom;
    animation: solution-stream-caret 0.9s ease-in-out infinite;
}

@keyframes solution-stream-caret {
    0%, 100% { opacity: 0.15; }
    50% { opacity: 1; }
}

.solution-markdown > *:first-child {
    margin-top: 0;
}

.solution-markdown > *:last-child {
    margin-bottom: 0;
}

.solution-markdown h1,
.solution-markdown h2,
.solution-markdown h3,
.solution-markdown h4 {
    margin: 1.6em 0 0.7em;
    color: #0f172a;
    font-family: 'Manrope', sans-serif;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.solution-markdown h1 {
    font-size: 1.7rem;
}

.solution-markdown h2 {
    font-size: 1.35rem;
}

.solution-markdown h3 {
    font-size: 1.1rem;
}

.solution-markdown h4 {
    font-size: 1rem;
}

.solution-markdown p,
.solution-markdown ul,
.solution-markdown ol,
.solution-markdown blockquote,
.solution-markdown pre,
.solution-markdown table {
    margin: 0.9em 0;
}

.solution-markdown ul,
.solution-markdown ol {
    padding-left: 1.35rem;
}

.solution-markdown li {
    margin: 0.45em 0;
}

.solution-markdown li > p {
    margin: 0.25em 0;
}

.solution-markdown a {
    color: #2563eb;
    text-decoration: none;
    border-bottom: 1px solid rgba(37, 99, 235, 0.35);
}

.solution-markdown a:hover {
    border-bottom-color: rgba(37, 99, 235, 0.7);
}

.solution-markdown strong {
    color: #0f172a;
    font-weight: 700;
}

.solution-markdown blockquote {
    padding: 0.95rem 1rem;
    border-left: 3px solid #2563eb;
    border-radius: 0 1rem 1rem 0;
    background: linear-gradient(180deg, rgba(239, 246, 255, 0.95), rgba(248, 250, 252, 0.95));
    color: #1e3a8a;
}

.solution-markdown hr {
    border: 0;
    border-top: 1px solid #e2e8f0;
    margin: 1.5rem 0;
}

.solution-markdown code {
    font-family: 'SFMono-Regular', 'Consolas', 'Liberation Mono', monospace;
    font-size: 0.92em;
    padding: 0.16rem 0.35rem;
    border-radius: 0.4rem;
    background: #eff6ff;
    color: #1d4ed8;
}

.solution-markdown pre {
    overflow-x: auto;
    padding: 1rem 1.1rem;
    border-radius: 1rem;
    background: #0f172a;
    color: #e2e8f0;
    box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.18);
}

.solution-markdown pre code {
    padding: 0;
    background: transparent;
    color: inherit;
}

.solution-markdown table {
    width: 100%;
    overflow: hidden;
    border-collapse: collapse;
    border-radius: 1rem;
    border: 1px solid #e2e8f0;
}

.solution-markdown thead {
    background: #f8fafc;
}

.solution-markdown th,
.solution-markdown td {
    padding: 0.8rem 0.95rem;
    border-bottom: 1px solid #e2e8f0;
    text-align: left;
    vertical-align: top;
}

.solution-markdown tr:last-child td {
    border-bottom: none;
}

.solution-markdown .task-list-item {
    list-style: none;
}

.solution-markdown .task-list-item input {
    margin-right: 0.5rem;
}

.solution-followups {
    margin-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.solution-followup-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.65rem 0.95rem;
    border-radius: 999px;
    border: 1px solid rgba(37, 99, 235, 0.14);
    background: rgba(37, 99, 235, 0.06);
    color: #1d4ed8;
    font-size: 0.78rem;
    font-weight: 700;
    transition: background-color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.solution-followup-chip:hover {
    background: rgba(37, 99, 235, 0.1);
    border-color: rgba(37, 99, 235, 0.22);
    transform: translateY(-1px);
}

.solution-followup-chip .material-symbols-outlined {
    font-size: 1rem;
}

@media (max-width: 1279px) {
    .solutions-stage-toolbar {
        display: none !important;
    }
}