/* ==========================================================================
           AGENTS
           The Agents settings tab, note cards under replies, and the Agent notes panel
           (js/controllers/agents.js). Styled here rather than with utility classes because
           css/tailwind.css is prebuilt: utilities no existing markup uses are missing.
           ========================================================================== */

        .agents {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            color: var(--text-primary);
        }

        .agents-title {
            font-size: 1.125rem;
            font-weight: 700;
            color: #fff;
            margin: 0;
        }

        .agents-sub,
        .agents-muted,
        .agents-hint {
            font-size: 0.8125rem;
            color: #9ca3af;
            line-height: 1.45;
        }

        .agents-sub { margin: 0.35rem 0 0; }
        .agents-sub strong { color: var(--text-primary); }
        .agents-hint { display: block; margin-top: 0.25rem; font-size: 0.75rem; }

        .agents-toolbar,
        .agents-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .agents-btn {
            background: rgba(31, 41, 55, 0.8);
            border: 1px solid var(--border-primary);
            color: var(--text-primary);
            border-radius: 0.5rem;
            padding: 0.5rem 0.9rem;
            font-size: 0.875rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition-fast);
        }

        .agents-btn:hover:not(:disabled) { background: rgba(55, 65, 81, 0.9); }
        .agents-btn:disabled { opacity: 0.45; cursor: default; }

        .agents-btn-primary {
            background: var(--brand-color);
            border-color: var(--brand-color);
            color: #fff;
        }

        .agents-btn-primary:hover:not(:disabled) { background: var(--brand-color-hover); }

        .agents-btn-danger {
            background: rgba(127, 29, 29, 0.5);
            border-color: rgba(185, 28, 28, 0.7);
            color: #fecaca;
        }

        .agents-btn-danger:hover:not(:disabled) { background: rgba(153, 27, 27, 0.8); }

        .agents-report {
            background: rgba(17, 24, 39, 0.5);
            border: 1px solid var(--border-primary);
            border-radius: var(--border-radius-md);
            padding: 0.75rem 1rem;
        }

        .agents-report-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.75rem;
            font-weight: 600;
        }

        .agents-report-list {
            margin: 0.4rem 0 0;
            padding-left: 1.1rem;
            list-style: disc;
            font-size: 0.8125rem;
            color: #d1d5db;
        }

        .agents-report-list li + li { margin-top: 0.3rem; }

        .agents-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .agents-row {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            background: rgba(17, 24, 39, 0.3);
            border: 1px solid rgba(55, 65, 81, 0.5);
            border-radius: var(--border-radius-md);
            padding: 0.25rem 0.9rem 0.25rem 0.25rem;
        }

        .agents-row-main {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 0.2rem;
            text-align: left;
            background: none;
            border: 0;
            color: inherit;
            padding: 0.6rem 0.65rem;
            border-radius: 0.6rem;
            cursor: pointer;
        }

        .agents-row-main:hover { background: rgba(55, 65, 81, 0.35); }

        .agents-row-top {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.35rem 0.5rem;
            max-width: 100%;
        }

        .agents-row-name {
            font-weight: 600;
            color: #fff;
            overflow-wrap: anywhere;
        }

        .agents-row-desc { font-size: 0.8125rem; color: #d1d5db; }
        .agents-row-meta { font-size: 0.75rem; color: #9ca3af; }

        .agents-kind {
            flex-shrink: 0;
            font-size: 0.625rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            padding: 0.1rem 0.4rem;
            border-radius: 0.3rem;
        }

        .agents-kind-note { background: rgba(13, 148, 136, 0.25); color: #5eead4; }
        .agents-kind-helper { background: rgba(79, 70, 229, 0.3); color: #c7d2fe; }
        .agents-kind-builtin { background: rgba(217, 119, 6, 0.25); color: #fcd34d; }

        .agents-switch {
            position: relative;
            flex-shrink: 0;
            width: 2.75rem;
            height: 1.5rem;
            cursor: pointer;
        }

        .agents-switch input {
            position: absolute;
            opacity: 0;
            width: 100%;
            height: 100%;
            margin: 0;
            cursor: pointer;
        }

        .agents-switch-track {
            position: absolute;
            inset: 0;
            background: #4b5563;
            border-radius: 999px;
            transition: background var(--transition-fast);
            pointer-events: none;
        }

        .agents-switch-track::after {
            content: '';
            position: absolute;
            top: 2px;
            left: 2px;
            width: 1.25rem;
            height: 1.25rem;
            background: #fff;
            border-radius: 999px;
            transition: transform var(--transition-fast);
        }

        .agents-switch input:checked + .agents-switch-track { background: #4f46e5; }
        .agents-switch input:checked + .agents-switch-track::after { transform: translateX(1.25rem); }
        .agents-switch input:disabled + .agents-switch-track { opacity: 0.4; }

        .agents-empty {
            font-size: 0.875rem;
            color: #9ca3af;
            text-align: center;
            padding: 1.5rem 0.5rem;
        }

        /* Editor */

        .agents-editor-head {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .agents-field {
            display: flex;
            flex-direction: column;
            gap: 0.3rem;
        }

        .agents-label {
            font-size: 0.8125rem;
            font-weight: 600;
            color: #e5e7eb;
        }

        .agents-input {
            width: 100%;
            background: rgba(17, 24, 39, 0.7);
            border: 1px solid var(--border-primary);
            border-radius: 0.5rem;
            color: var(--text-primary);
            padding: 0.55rem 0.7rem;
            font-size: 0.9375rem;
        }

        .agents-input:focus {
            outline: none;
            border-color: var(--text-accent);
        }

        .agents-textarea {
            min-height: 12rem;
            resize: vertical;
            font-family: inherit;
            line-height: 1.5;
        }

        .agents-num { max-width: 7rem; }

        .agents-checks {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .agents-check {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: #e5e7eb;
            cursor: pointer;
        }

        .agents-check input { width: 1.05rem; height: 1.05rem; accent-color: var(--brand-color); }

        .agents-group {
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
            border: 1px solid rgba(55, 65, 81, 0.6);
            border-radius: var(--border-radius-md);
            padding: 0.9rem 1rem 1rem;
            margin: 0;
        }

        .agents-legend {
            font-size: 0.6875rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: #9ca3af;
            padding: 0 0.35rem;
        }

        .agents-editor[data-kind="note"] .agents-helper-only,
        .agents-editor[data-kind="helper"] .agents-note-only {
            display: none;
        }

        /* Note cards under a reply */

        .agent-cards {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
            margin: -0.25rem 0 0.75rem;
        }

        .agent-cards:empty { display: none; }

        .agent-card {
            background: rgba(17, 24, 39, 0.55);
            border: 1px solid rgba(99, 102, 241, 0.35);
            border-radius: var(--border-radius-md);
            padding: 0.5rem 0.8rem;
            font-size: 0.875rem;
            color: var(--chat-text-color);
        }

        .agent-card-title {
            cursor: pointer;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: #c7d2fe;
        }

        .agent-card-body {
            margin-top: 0.5rem;
            line-height: 1.5;
            overflow-wrap: anywhere;
        }

        .agent-card-body p + p { margin-top: 0.5rem; }

        .agent-card-running {
            font-size: 0.75rem;
            color: #a5b4fc;
            font-style: italic;
        }

        /* Agent notes panel */

        .agents-notes-btn {
            position: absolute;
            right: 10.5rem;
            bottom: 0.5rem;
            z-index: 50;
            opacity: 0.35;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--chat-text-color);
            background: none;
            border: 0;
            cursor: pointer;
            transition: opacity var(--transition-fast);
        }

        .agents-notes-btn:hover { opacity: 1; }

        .agents-notes-panel {
            position: absolute;
            right: 0.75rem;
            bottom: 2.25rem;
            z-index: 60;
            width: min(26rem, calc(100% - 1.5rem));
            max-height: 70%;
            overflow-y: auto;
            background: rgba(17, 24, 39, 0.95);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-primary);
            border-radius: var(--border-radius-md);
            padding: 0.9rem;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            color: var(--text-primary);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
        }

        .agents-notes-panel.hidden,
        .agents-notes-btn.hidden {
            display: none;
        }

        .agents-panel-head,
        .agents-panel-entry-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.5rem;
        }

        .agents-panel-title { font-weight: 700; }
        .agents-panel-entry-name { font-weight: 600; color: #c7d2fe; }

        .agents-panel-entry {
            border-top: 1px solid rgba(55, 65, 81, 0.6);
            padding-top: 0.75rem;
        }

        .agents-panel-entry-body {
            margin-top: 0.4rem;
            font-size: 0.875rem;
            line-height: 1.5;
            overflow-wrap: anywhere;
        }