/* ===== Variables – Dark (default) ===== */
:root, [data-theme="dark"] {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent: #58a6ff;
    --accent-hover: #79c0ff;
    --border: #30363d;
    --user-bubble: #1f6feb;
    --assistant-bubble: #161b22;
    --success: #3fb950;
    --warning: #d29922;
    --error: #f85149;
    --sidebar-width: 260px;
    --nav-height: 48px;
    --code-bg: #0d1117;
    --hl-theme: 'github-dark';
}

/* ===== Variables – Light ===== */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f6f8fa;
    --bg-tertiary: #eaeef2;
    --text-primary: #1f2328;
    --text-secondary: #636c76;
    --accent: #0969da;
    --accent-hover: #0550ae;
    --border: #d0d7de;
    --user-bubble: #0969da;
    --assistant-bubble: #f6f8fa;
    --success: #1a7f37;
    --warning: #9a6700;
    --error: #cf222e;
    --code-bg: #f6f8fa;
    --hl-theme: 'github';
}

/* ===== Reset ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
}

/* ===== Top Nav ===== */
.top-nav {
    height: var(--nav-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 24px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}

.nav-brand {
    font-weight: 700;
    font-size: 1rem;
    color: var(--accent);
    white-space: nowrap;
    text-decoration: none;
}

.nav-links { display: flex; gap: 4px; flex: 1; }

.nav-right {
    margin-left: auto;
    display: flex;
    align-items: center;
}

.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 4px 10px;
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    color: var(--text-secondary);
    transition: background 0.15s, color 0.15s;
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 0.875rem;
    transition: background 0.15s, color 0.15s;
}

.nav-links a:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.nav-links a.active { background: var(--bg-tertiary); color: var(--text-primary); font-weight: 600; }

/* ===== Main ===== */
main {
    margin-top: var(--nav-height);
    height: calc(100vh - var(--nav-height));
    overflow: hidden;
}

/* ===== Chat Layout ===== */
.chat-container {
    display: flex;
    height: 100%;
}

/* ===== Sidebar ===== */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 12px;
    gap: 8px;
    overflow: hidden;
}

.session-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-height: 0;
    overflow-y: auto;
}

.session-item {
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: background 0.15s;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.session-item:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.session-item.active { background: var(--bg-tertiary); color: var(--text-primary); font-weight: 600; }

.session-item .delete-btn {
    display: none;
    background: none;
    border: none;
    color: var(--error);
    cursor: pointer;
    font-size: 0.75rem;
    padding: 2px 4px;
    border-radius: 3px;
}

.session-item:hover .delete-btn { display: block; }

/* ===== Chat Main ===== */
.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.messages-area {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* ===== Messages ===== */
.message {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 0.9375rem;
    line-height: 1.6;
    word-wrap: break-word;
}

.message-user {
    align-self: flex-end;
    background: var(--user-bubble);
    color: #fff;
    border-bottom-right-radius: 4px;
    white-space: pre-wrap;
}

.message-assistant {
    align-self: flex-start;
    background: var(--assistant-bubble);
    border: 1px solid var(--border);
    border-bottom-left-radius: 4px;
}

.message-error {
    align-self: center;
    background: rgba(248, 81, 73, 0.15);
    border: 1px solid var(--error);
    color: var(--error);
    font-size: 0.875rem;
}

/* Markdown content in assistant messages */
.message-assistant h1, .message-assistant h2, .message-assistant h3 {
    margin: 12px 0 6px;
    color: var(--text-primary);
}

.message-assistant h1:first-child, .message-assistant h2:first-child, .message-assistant h3:first-child {
    margin-top: 0;
}

.message-assistant p { margin: 6px 0; }

.message-assistant pre {
    background: var(--code-bg, var(--bg-primary));
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px;
    overflow-x: auto;
    margin: 8px 0;
}

.message-assistant code {
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.8125rem;
}

.message-assistant :not(pre) > code {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
}

.message-assistant table {
    border-collapse: collapse;
    margin: 8px 0;
    width: 100%;
    font-size: 0.875rem;
}

.message-assistant th, .message-assistant td {
    border: 1px solid var(--border);
    padding: 6px 10px;
    text-align: left;
}

.message-assistant th {
    background: var(--bg-tertiary);
    font-weight: 600;
}

.message-assistant ul, .message-assistant ol {
    padding-left: 20px;
    margin: 6px 0;
}

.message-assistant blockquote {
    border-left: 3px solid var(--accent);
    padding-left: 12px;
    margin: 8px 0;
    color: var(--text-secondary);
}

/* ===== Tool calls ===== */
.tool-calls {
    margin-top: 10px;
    font-size: 0.8125rem;
}

.tool-calls summary {
    cursor: pointer;
    color: var(--text-secondary);
    padding: 4px 0;
}

.tool-calls summary:hover { color: var(--accent); }

.tool-call {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 12px;
    margin: 6px 0;
}

.tool-call strong { color: var(--accent); }

.tool-call pre {
    margin: 4px 0;
    font-size: 0.75rem;
    white-space: pre-wrap;
    max-height: 200px;
    overflow-y: auto;
}

.tool-result { color: var(--text-secondary); }

/* ===== Inline tool calls (chronological flow) ===== */
.tool-call-inline {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 14px;
    margin: 6px 0;
    font-size: 0.8125rem;
}

.tool-call-inline .tool-call-header { margin-bottom: 4px; }
.tool-call-inline .tool-call-header strong { color: var(--accent); }

.tool-call-inline pre {
    margin: 4px 0 0;
    font-size: 0.75rem;
    white-space: pre-wrap;
    max-height: 200px;
    overflow-y: auto;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 6px 8px;
}

/* ===== Tool messages (history view) ===== */
.message-tool {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 14px;
    margin: 4px 24px;
    font-size: 0.8125rem;
    max-width: 90%;
}
.message-tool .tool-call-header,
.message-tool .tool-result-header {
    margin-bottom: 4px;
    font-size: 0.8125rem;
}
.message-tool pre {
    margin: 4px 0 0;
    font-size: 0.75rem;
    white-space: pre-wrap;
    max-height: 200px;
    overflow-y: auto;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 6px 8px;
}

/* ===== Loading ===== */
.loading-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 24px;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.loading-dots { display: flex; gap: 4px; }

.loading-dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    animation: bounce 1.4s infinite ease-in-out both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* ===== Input Area ===== */
.input-area {
    padding: 12px 24px 16px;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
}

.input-controls {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.input-controls select {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 4px 10px;
    font-size: 0.8125rem;
    cursor: pointer;
    outline: none;
}

.input-controls select:focus { border-color: var(--accent); }

.message-input-row {
    display: flex;
    gap: 8px;
    align-items: flex-end;
}

#message-input {
    flex: 1;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 0.9375rem;
    font-family: inherit;
    resize: none;
    outline: none;
    max-height: 200px;
    line-height: 1.5;
}

#message-input:focus { border-color: var(--accent); }

#message-input::placeholder { color: var(--text-secondary); }

/* ===== Buttons ===== */
.btn {
    border: none;
    border-radius: 6px;
    padding: 8px 16px;
    font-size: 0.875rem;
    cursor: pointer;
    transition: background 0.15s;
    font-weight: 500;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    width: 100%;
}

.btn-primary:hover { background: var(--accent-hover); }

.btn-send {
    background: var(--accent);
    color: #fff;
    padding: 10px 16px;
    font-size: 1rem;
}

.btn-send:hover { background: var(--accent-hover); }
.btn-send:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-stop {
    background: var(--error);
    color: #fff;
    padding: 10px 16px;
    font-size: 1rem;
}

.btn-stop:hover { background: #da3633; }

/* ===== Message Wrapper ===== */
.message-wrapper {
    display: flex;
    flex-direction: column;
    align-self: flex-start;
    max-width: 80%;
    gap: 6px;
}

/* ===== Thinking Block ===== */
.thinking-block {
    background: rgba(240, 136, 62, 0.08);
    border: 1px solid rgba(240, 136, 62, 0.25);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    max-width: 100%;
}

.thinking-block summary {
    cursor: pointer;
    color: #f0883e;
    font-weight: 500;
    padding: 2px 0;
    user-select: none;
}

.thinking-block summary:hover { color: #ffa657; }

.thinking-content {
    margin-top: 8px;
    white-space: pre-wrap;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.75rem;
    line-height: 1.5;
    max-height: 300px;
    overflow-y: auto;
    color: var(--text-secondary);
}

/* ===== Token Usage ===== */
.token-usage {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    font-size: 0.75rem;
}

.usage-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2px 10px;
    white-space: nowrap;
}

.usage-pill strong {
    color: var(--text-primary);
    font-weight: 600;
}

.usage-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.usage-bar {
    width: 100%;
    height: 4px;
    border-radius: 2px;
    display: flex;
    overflow: hidden;
    background: var(--bg-tertiary);
    margin-top: 2px;
}

.usage-bar-seg {
    height: 100%;
    transition: width 0.3s;
}

/* ===== Tool Calls (streaming) ===== */
.tool-calls-stream {
    max-width: 100%;
}

/* ===== Server Restart Banner ===== */
.server-restart-banner {
    text-align: center;
    padding: 12px 20px;
    margin: 12px auto;
    max-width: 400px;
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    animation: pulse-opacity 1.5s ease-in-out infinite;
}

@keyframes pulse-opacity {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.message-system {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-style: italic;
    padding: 8px 16px;
}

/* ===== Reports Page ===== */
.reports-container {
    padding: 32px;
    padding-top: calc(var(--nav-height) + 32px);
    max-width: 1200px;
    margin: 0 auto;
    height: 100vh;
    overflow-y: auto;
}

.reports-container h1 {
    margin-bottom: 24px;
    font-size: 1.5rem;
}

.reports-search {
    width: 100%;
    max-width: 400px;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.875rem;
    margin-bottom: 16px;
}

.reports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.report-card {
    display: block;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    text-decoration: none;
    color: var(--text-primary);
    transition: border-color 0.15s, transform 0.15s;
}

.report-card-wrap {
    position: relative;
}

.report-card-wrap:hover .report-card {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.report-card h3 { margin-bottom: 8px; font-size: 1rem; }

.report-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}

.report-script-tag {
    font-size: 0.6875rem;
    color: var(--text-secondary);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1px 6px;
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.report-delete-btn {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 24px;
    height: 24px;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.15s, background 0.15s, color 0.15s;
    z-index: 2;
}

.report-card-wrap:hover .report-delete-btn { opacity: 1; }
.report-delete-btn:hover { background: var(--error, #e74c3c); color: #fff; }

/* ===== Delete Modal ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    min-width: 380px;
    max-width: 500px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.modal-box h3 { margin: 0 0 12px; font-size: 1.1rem; }

.modal-report-name {
    font-weight: 600;
    margin-bottom: 16px;
    word-break: break-word;
}

.modal-files p { margin: 0 0 8px; font-size: 0.875rem; color: var(--text-secondary); }

.modal-file-row {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 6px 0;
    font-size: 0.8125rem;
    cursor: pointer;
    flex-wrap: wrap;
}

.modal-file-row input[type="checkbox"] { margin-top: 2px; flex-shrink: 0; }

.file-label { flex: 1; }
.file-label code { font-size: 0.75rem; background: var(--bg-primary); padding: 1px 4px; border-radius: 3px; }

.file-shared-warning {
    display: block;
    width: 100%;
    color: var(--warning, #e67e22);
    font-size: 0.75rem;
    padding-left: 22px;
}

.file-missing { color: var(--text-secondary); font-size: 0.75rem; font-style: italic; }

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 20px;
}

.btn-cancel {
    padding: 6px 16px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.8125rem;
}

.btn-danger {
    padding: 6px 16px;
    border: none;
    border-radius: 6px;
    background: var(--error, #e74c3c);
    color: #fff;
    cursor: pointer;
    font-size: 0.8125rem;
}

.btn-danger:hover { opacity: 0.9; }
.btn-danger:disabled { opacity: 0.5; cursor: not-allowed; }

.report-desc {
    color: var(--text-secondary);
    font-size: 0.8125rem;
    margin-bottom: 12px;
    line-height: 1.4;
}

.report-date {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.empty-state {
    text-align: center;
    padding: 60px 24px;
    color: var(--text-secondary);
}

.empty-state p { margin: 8px 0; }

/* ===== Report Viewer (framed) ===== */
.report-viewer {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.report-viewer-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 8px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
    flex-shrink: 0;
}

.report-back-link {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.8125rem;
    white-space: nowrap;
}

.report-back-link:hover { text-decoration: underline; }

.report-viewer-title {
    font-size: 0.9375rem;
    font-weight: 600;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin: 0;
}

.report-iframe {
    flex: 1;
    width: 100%;
    border: none;
    background: #fff;
}
.text-muted { color: var(--text-secondary); font-size: 0.875rem; }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

/* ===== Profile Dropdown ===== */
.profile-dropdown { position: relative; }

.profile-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 4px 12px;
    cursor: pointer;
    font-size: 0.8125rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: background 0.15s;
}

.profile-btn:hover { background: var(--bg-tertiary); }

.profile-menu {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 4px);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    min-width: 200px;
    padding: 8px 0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    z-index: 200;
}

.profile-dropdown.open .profile-menu { display: block; }

.profile-menu .profile-info {
    padding: 8px 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.profile-menu .profile-info strong { font-size: 0.875rem; color: var(--text-primary); }
.profile-menu .profile-info small { font-size: 0.75rem; color: var(--text-secondary); }
.profile-menu hr { border: none; border-top: 1px solid var(--border); margin: 4px 0; }

.profile-menu a {
    display: block;
    padding: 8px 16px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.8125rem;
    transition: background 0.15s;
}

.profile-menu a:hover { background: var(--bg-tertiary); }
.profile-menu a.logout-link { color: var(--error); }

/* ===== Login Page ===== */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 24px;
}

.login-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
}

.login-card h2 { margin-bottom: 24px; text-align: center; font-size: 1.5rem; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 0.875rem; color: var(--text-secondary); }

.form-group input,
.form-group select {
    width: 100%;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px 12px;
    font-size: 0.9375rem;
    font-family: inherit;
    outline: none;
}

.form-group input:focus,
.form-group select:focus { border-color: var(--accent); }

.login-error {
    background: rgba(248, 81, 73, 0.15);
    border: 1px solid var(--error);
    color: var(--error);
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 0.875rem;
}

.btn-login {
    width: 100%;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}

.btn-login:hover { background: var(--accent-hover); }

/* ===== Users Management ===== */
.users-container { padding: 32px; max-width: 1200px; margin: 0 auto; height: 100%; overflow-y: auto; }

.users-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.users-header h1 { font-size: 1.5rem; }

.users-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }

.users-table th,
.users-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.users-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.users-table tr:hover td { background: var(--bg-secondary); }

.role-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

.role-badge.system_admin { background: rgba(248, 81, 73, 0.15); color: var(--error); }
.role-badge.company_admin { background: rgba(210, 153, 34, 0.15); color: var(--warning); }
.role-badge.company_user { background: rgba(88, 166, 255, 0.15); color: var(--accent); }

.status-active { color: var(--success); }
.status-inactive { color: var(--error); }

.btn-small {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 4px 10px;
    cursor: pointer;
    font-size: 0.75rem;
    color: var(--text-primary);
    transition: background 0.15s;
}

.btn-small:hover { background: var(--border); }
.btn-small.btn-danger { color: var(--error); }
.btn-small.btn-danger:hover { background: rgba(248, 81, 73, 0.15); }

.action-btns { white-space: nowrap; }

/* ===== Modal ===== */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 300;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active { display: flex; }

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal h2 { margin-bottom: 20px; font-size: 1.25rem; }

.modal-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 24px;
}

.btn-modal {
    border: none;
    border-radius: 6px;
    padding: 8px 20px;
    font-size: 0.875rem;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.15s;
}

.btn-modal-primary { background: var(--accent); color: #fff; }
.btn-modal-primary:hover { background: var(--accent-hover); }
.btn-modal-secondary { background: var(--bg-tertiary); color: var(--text-primary); }
.btn-modal-secondary:hover { background: var(--border); }

.form-check { display: flex; align-items: center; gap: 8px; }
.form-check input[type="checkbox"] { width: auto; }

/* ===== Admin Sessions Review ===== */
.sessions-container {
    display: flex;
    height: 100%;
}

.sessions-container .sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 12px;
    overflow: hidden;
}

.sidebar-title {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}

.session-search {
    width: 100%;
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.8125rem;
    margin-bottom: 8px;
    flex-shrink: 0;
}

.session-item-title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.8125rem;
}

.session-item-meta {
    font-size: 0.6875rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.session-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.session-header {
    padding: 12px 24px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.session-title-row { flex: 1; }
.session-title-row h2 {
    font-size: 1rem;
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 60vw;
}

.session-meta-text {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.view-toggle {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
    margin-left: 16px;
}

.btn-view {
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 4px 14px;
    font-size: 0.8125rem;
    cursor: pointer;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    transition: all 0.15s;
}

.btn-view:hover { color: var(--text-primary); background: var(--border); }
.btn-view.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.session-content {
    flex: 1;
    overflow: auto;
    padding: 16px 24px;
}

.session-content.user-view {
    width: 100%;
}

.session-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
    font-size: 1rem;
}

/* System view table */
.system-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
    table-layout: auto;
}

.system-table th {
    text-align: left;
    padding: 8px 10px;
    border-bottom: 2px solid var(--border);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    position: sticky;
    top: 0;
    background: var(--bg-primary);
    z-index: 1;
}

.system-table td {
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

.system-table tbody tr { cursor: pointer; transition: background 0.1s; }
.system-table tbody tr:hover { background: var(--bg-secondary); }
.system-table tbody tr.expanded { background: var(--bg-tertiary); }

.col-id { white-space: nowrap; color: var(--text-secondary); }
.col-time { white-space: nowrap; font-family: monospace; font-size: 0.75rem; }
.col-role { white-space: nowrap; }
.col-preview { word-break: break-word; }
.col-meta { white-space: nowrap; }

.role-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.6875rem;
    font-weight: 500;
}

.role-user { background: rgba(31, 111, 235, 0.15); color: var(--user-bubble); }
.role-assistant { background: rgba(63, 185, 80, 0.15); color: var(--success); }
.role-tool_call { background: rgba(88, 166, 255, 0.15); color: var(--accent); }
.role-tool_result { background: rgba(210, 153, 34, 0.15); color: var(--warning); }

.meta-pill {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 8px;
    font-size: 0.6875rem;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    margin: 1px 2px;
}

/* Detail row (expanded) */
.detail-row td { padding: 0 !important; border-bottom: 2px solid var(--accent); }

.detail-cell { padding: 0; }

.msg-detail {
    padding: 12px 20px;
    background: var(--bg-secondary);
}

.detail-section {
    margin-bottom: 12px;
}

.detail-section h4 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent);
    margin-bottom: 4px;
}

.detail-content,
.detail-meta-value {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 0.75rem;
    white-space: pre-wrap;
    max-height: 300px;
    overflow-y: auto;
    word-break: break-word;
}

/* ===== Raw View (HTTP request/response logs) ===== */
.raw-view { padding: 16px 24px; }

.raw-summary {
    display: flex;
    gap: 16px;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 12px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.raw-summary-item { white-space: nowrap; }

.raw-summary-breakdown {
    flex-wrap: wrap;
    font-size: 0.75rem;
    gap: 10px;
    padding: 6px 12px;
    margin-top: -8px;
    border-top: none;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

.raw-summary-group {
    padding: 2px 8px;
    border-radius: 4px;
    background: rgba(88, 166, 255, 0.08);
    border: 1px solid var(--border);
}

.raw-log-card {
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 6px;
    overflow: hidden;
    transition: border-color 0.15s;
}

.raw-log-card.expanded { border-color: var(--accent); }

.raw-log-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 0.8125rem;
    background: var(--bg-secondary);
    transition: background 0.1s;
}

.raw-log-header:hover { background: var(--bg-tertiary); }

.raw-log-index {
    color: var(--text-secondary);
    font-size: 0.75rem;
    min-width: 28px;
}

.raw-log-method {
    font-weight: 600;
    font-size: 0.75rem;
    padding: 1px 6px;
    border-radius: 4px;
    background: rgba(88, 166, 255, 0.15);
    color: var(--accent);
}

.raw-log-url {
    flex: 1;
    font-family: monospace;
    font-size: 0.75rem;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.raw-log-status {
    font-weight: 600;
    font-size: 0.75rem;
    padding: 1px 6px;
    border-radius: 4px;
}

.status-ok { background: rgba(63, 185, 80, 0.15); color: var(--success); }
.status-error { background: rgba(248, 81, 73, 0.15); color: var(--error, #f85149); }

.raw-log-duration {
    font-family: monospace;
    font-size: 0.75rem;
    color: var(--text-secondary);
    min-width: 55px;
    text-align: right;
}

.raw-log-time {
    font-family: monospace;
    font-size: 0.6875rem;
    color: var(--text-secondary);
}

.raw-log-gen {
    font-size: 0.6875rem;
    padding: 1px 5px;
    border-radius: 4px;
    background: rgba(210, 168, 255, 0.15);
    color: var(--accent);
}

.raw-log-cost {
    font-family: monospace;
    font-size: 0.75rem;
    padding: 1px 6px;
    border-radius: 4px;
    background: rgba(63, 185, 80, 0.12);
    color: var(--success);
    font-weight: 500;
}

.raw-summary-cost {
    font-weight: 600;
    color: var(--success);
}

.raw-log-expand-icon {
    font-size: 0.625rem;
    color: var(--text-secondary);
    transition: transform 0.15s;
}

/* Detail panel */
.raw-log-detail {
    display: none;
    padding: 0 12px 12px;
    background: var(--bg-primary);
}

.raw-log-card.expanded .raw-log-detail { display: block; }

.raw-tab-bar {
    display: flex;
    gap: 2px;
    padding: 8px 0 6px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 8px;
}

.raw-tab-btn {
    padding: 4px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.75rem;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
}

.raw-tab-btn:hover { color: var(--text-primary); }
.raw-tab-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.raw-json-section { margin-bottom: 10px; }

.raw-json-label {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent);
    margin-bottom: 3px;
    font-weight: 500;
}

.raw-json-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 10px;
    font-size: 0.75rem;
    font-family: monospace;
    max-height: 400px;
    overflow: auto;
    word-break: break-word;
}

.raw-json-text { white-space: pre-wrap; }
.raw-json-empty { color: var(--text-secondary); font-style: italic; }

/* JSON tree viewer */
.json-tree-node { display: inline; }

.json-toggle {
    cursor: pointer;
    display: inline-block;
    width: 14px;
    font-size: 0.625rem;
    color: var(--text-secondary);
    user-select: none;
    vertical-align: middle;
}

.json-toggle:hover { color: var(--accent); }

.json-brace { color: var(--text-secondary); }
.json-count { color: var(--text-secondary); font-size: 0.6875rem; font-style: italic; }

.json-tree-children {
    padding-left: 18px;
    border-left: 1px solid var(--border);
    margin-left: 4px;
}

.json-tree-row { line-height: 1.5; }

.json-key { color: #d2a8ff; }
.json-string { color: #0058ff; }
.json-number { color: #79c0ff; }
.json-bool { color: #ff7b72; }
.json-null { color: var(--text-secondary); font-style: italic; }
.json-empty { color: var(--text-secondary); }

.json-long-string {
    opacity: 0.8;
    border-bottom: 1px dashed var(--text-secondary);
}

/* ===== Settings Page ===== */
.settings-container {
    padding: 32px;
    max-width: 640px;
    margin: 0 auto;
    height: 100%;
    overflow-y: auto;
}

.settings-container h1 { font-size: 1.5rem; margin-bottom: 24px; }

.settings-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
}

.settings-section h2 { font-size: 1.1rem; margin-bottom: 8px; }

.settings-desc {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 20px;
    line-height: 1.5;
}

.form-hint {
    display: block;
    margin-top: 4px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.form-hint a { color: var(--accent); text-decoration: none; }
.form-hint a:hover { text-decoration: underline; }

.settings-success {
    background: rgba(63, 185, 80, 0.15);
    border: 1px solid var(--success);
    color: var(--success);
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 0.875rem;
}

.settings-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-top: 20px;
}

.webhook-status {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.webhook-status h3 {
    font-size: 0.875rem;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.webhook-info-table {
    width: 100%;
    font-size: 0.8125rem;
    border-collapse: collapse;
}

.webhook-info-table td {
    padding: 4px 8px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

.webhook-info-table td:first-child {
    width: 140px;
    white-space: nowrap;
    color: var(--text-secondary);
}

.webhook-info-table code {
    font-size: 0.75rem;
    background: var(--bg-primary);
    padding: 1px 4px;
    border-radius: 3px;
}