/* ============================================================
   Agent V2 — Undo Timeline & Autonomy Panel
   Depends on: agent-v2-tokens.css, theme.css
   ============================================================ */

/* ── Undo Timeline Container ───────────────────────────────── */
.undo-timeline {
    padding: var(--md-sys-spacing-3) var(--md-sys-spacing-4);
    display: flex;
    flex-direction: column;
    gap: var(--md-sys-spacing-3);
}

.undo-timeline__empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 32px 16px;
    color: var(--md-sys-color-on-surface-variant);
}

.undo-timeline__empty-icon { font-size: 24px; opacity: 0.5; }
.undo-timeline__empty-text { font-size: var(--md-sys-typescale-body-small); }

/* ── Session Header ─────────────────────────────────────────── */
.undo-timeline__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--card-padding-sm) var(--card-padding);
    background: var(--agent-surface-elevated);
    border-radius: var(--card-radius);
    border: 1px solid var(--agent-border-subtle);
}

.undo-timeline__header-label {
    font-size: var(--md-sys-typescale-body-small);
    font-weight: 600;
    color: var(--md-sys-color-on-surface);
}

/* ── Rollback Button ────────────────────────────────────────── */
.undo-timeline__rollback-btn {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 4px 10px; border-radius: 6px; font-size: 11px; font-weight: 600;
    border: 1px solid rgba(255, 107, 0, 0.3); background: rgba(255, 107, 0, 0.08);
    color: var(--status-warning); cursor: pointer; transition: all var(--duration-fast) ease;
}

.undo-timeline__rollback-btn:hover { background: rgba(255, 107, 0, 0.16); border-color: rgba(255, 107, 0, 0.5); }

/* ── Vertical Line ──────────────────────────────────────────── */
.undo-timeline__line {
    position: relative;
    padding-left: 20px;
    display: flex;
    flex-direction: column;
    gap: var(--md-sys-spacing-2);
}

.undo-timeline__line::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 0;
    bottom: 0;
    width: var(--timeline-line-width);
    background: var(--timeline-line-color);
    border-radius: 1px;
}

/* ── Timeline Item ──────────────────────────────────────────── */
.undo-timeline__item {
    position: relative;
    display: flex;
    gap: var(--md-sys-spacing-3);
    animation: slideIn var(--duration-normal) var(--ease-out-spring);
}

/* ── Dot Marker ─────────────────────────────────────────────── */
.undo-timeline__dot {
    position: absolute;
    left: -20px;
    top: 12px;
    width: var(--timeline-dot-size);
    height: var(--timeline-dot-size);
    border-radius: 50%;
    background: var(--dot-color, var(--timeline-dot-active));
    border: 2px solid var(--agent-surface);
    z-index: 1;
    flex-shrink: 0;
}

.undo-timeline__dot--undone {
    background: var(--timeline-dot-undone);
}

/* ── Action Card ────────────────────────────────────────────── */
.undo-timeline__card {
    flex: 1;
    padding: var(--card-padding-sm) var(--card-padding);
    background: var(--agent-surface);
    border: 1px solid var(--agent-border);
    border-radius: var(--card-radius);
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: opacity var(--duration-fast) ease;
}

.undo-timeline__card--undone .undo-timeline__card {
    opacity: 0.5;
}

.undo-timeline__card--undone .undo-timeline__tool,
.undo-timeline__card--undone .undo-timeline__summary {
    text-decoration: line-through;
}

.undo-timeline__card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.undo-timeline__agent {
    font-size: var(--md-sys-typescale-body-small);
    font-weight: 600;
}

.undo-timeline__time {
    font-size: 10px;
    color: var(--md-sys-color-on-surface-variant);
    font-feature-settings: 'tnum';
}

.undo-timeline__tool {
    font-size: 11px;
    font-family: 'Fira Code', 'JetBrains Mono', monospace;
    color: var(--md-sys-color-primary);
}

.undo-timeline__summary {
    font-size: var(--md-sys-typescale-body-small);
    color: var(--md-sys-color-on-surface-variant);
    line-height: 1.4;
}

.undo-timeline__actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 2px;
}

/* ── Undo Button ────────────────────────────────────────────── */
.undo-timeline__undo-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 6px;
    border: 1px solid var(--agent-border);
    background: transparent;
    color: var(--md-sys-color-on-surface-variant);
    font-size: 11px;
    cursor: pointer;
    transition: all var(--duration-fast) ease;
}

.undo-timeline__undo-btn:hover {
    border-color: var(--md-sys-color-primary);
    color: var(--md-sys-color-primary);
    background: rgba(0, 240, 255, 0.06);
}

.undo-timeline__undone-label {
    font-size: 11px;
    color: var(--status-success);
    font-weight: 500;
}

/* ── Progress (rollback) ────────────────────────────────────── */
.undo-timeline__progress {
    margin-bottom: var(--md-sys-spacing-2);
}

/* ============================================================
   Autonomy Panel V2 — Modal Overlay
   ============================================================ */

.autonomy-panel-v2 {
    position: fixed;
    inset: 0;
    z-index: 9900;
    display: flex;
    align-items: center;
    justify-content: center;
}

.autonomy-panel-v2__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
}

.autonomy-panel-v2__content {
    position: relative;
    z-index: 1;
    width: 440px;
    max-width: 96vw;
    max-height: 80vh;
    overflow-y: auto;
    background: var(--agent-surface-elevated);
    backdrop-filter: var(--card-backdrop-blur);
    border: 1px solid var(--agent-border);
    border-radius: 16px;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.7);
    animation: autonomySlideIn var(--duration-normal) var(--ease-out-spring);
}

@keyframes autonomySlideIn {
    from { opacity: 0; transform: translateY(-12px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.autonomy-panel-v2__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px 12px;
    border-bottom: 1px solid var(--agent-border);
}

.autonomy-panel-v2__title {
    font-size: 14px;
    font-weight: 700;
    background: linear-gradient(135deg, #00f0ff, #bd93f9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.autonomy-panel-v2__close {
    background: none; border: none; cursor: pointer;
    color: rgba(255, 255, 255, 0.4); font-size: 18px;
    padding: 2px 6px; border-radius: 4px;
    transition: color var(--duration-fast) ease;
}

.autonomy-panel-v2__close:hover { color: #fff; }

.autonomy-panel-v2__body {
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* ── Preset Cards ───────────────────────────────────────────── */
.autonomy-panel-v2__presets {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.autonomy-preset {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px 8px;
    border-radius: var(--card-radius);
    border: 1px solid var(--agent-border);
    background: var(--agent-surface);
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    text-align: center;
}

.autonomy-preset:hover {
    border-color: rgba(0, 240, 255, 0.3);
    background: var(--agent-surface-hover);
}

.autonomy-preset--active {
    border-color: var(--md-sys-color-primary);
    background: rgba(0, 240, 255, 0.06);
    box-shadow: 0 0 12px var(--agent-glow);
}

.autonomy-preset__icon { font-size: 20px; }

.autonomy-preset__name {
    font-size: 12px;
    font-weight: 600;
    color: var(--md-sys-color-on-surface);
}

.autonomy-preset__desc {
    font-size: 10px;
    color: var(--md-sys-color-on-surface-variant);
    line-height: 1.3;
}

/* ── Permission Matrix ──────────────────────────────────────── */
.autonomy-matrix__category {
    font-size: 11px;
    font-weight: 700;
    color: var(--md-sys-color-on-surface);
    padding: 6px 0 4px;
    border-bottom: 1px solid var(--agent-border-subtle);
    margin-top: 4px;
}

.autonomy-matrix__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 8px;
    border-radius: 6px;
    gap: 8px;
}

.autonomy-matrix__row:hover {
    background: var(--agent-surface-hover);
}

.autonomy-matrix__tool-name {
    font-size: 11px;
    color: var(--md-sys-color-on-surface-variant);
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ── 3-State Toggle ─────────────────────────────────────────── */
.autonomy-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.03em;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--duration-fast) ease;
    white-space: nowrap;
    min-width: 72px;
}

.autonomy-toggle--auto {
    background: rgba(80, 250, 123, 0.1);
    color: var(--status-success);
    border-color: rgba(80, 250, 123, 0.25);
}

.autonomy-toggle--auto:hover {
    background: rgba(80, 250, 123, 0.18);
}

.autonomy-toggle--confirm {
    background: rgba(255, 107, 0, 0.1);
    color: var(--status-warning);
    border-color: rgba(255, 107, 0, 0.25);
}

.autonomy-toggle--confirm:hover {
    background: rgba(255, 107, 0, 0.18);
}

.autonomy-toggle--deny {
    background: rgba(255, 59, 48, 0.1);
    color: var(--status-error);
    border-color: rgba(255, 59, 48, 0.25);
}

.autonomy-toggle--deny:hover {
    background: rgba(255, 59, 48, 0.18);
}

/* ── Panic Button ───────────────────────────────────────────── */
.autonomy-panic {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    border: 1px solid rgba(255, 59, 48, 0.3);
    background: rgba(255, 59, 48, 0.08);
    color: var(--status-error);
    transition: all var(--duration-fast) ease;
}

.autonomy-panic:hover {
    background: rgba(255, 59, 48, 0.16);
    border-color: rgba(255, 59, 48, 0.5);
}

.autonomy-panic:active { transform: scale(0.98); }

/* ── Approval Card (inline in chat) ─────────────────────────── */
.approval-card-v2 {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px 14px;
    margin: 6px 0;
    border-radius: var(--card-radius);
    border: 1px solid rgba(189, 147, 249, 0.25);
    background: var(--agent-surface-elevated);
    animation: slideIn var(--duration-normal) var(--ease-out-spring);
}

.approval-card-v2--approved { border-color: rgba(80, 250, 123, 0.3); }
.approval-card-v2--denied   { border-color: rgba(255, 59, 48, 0.3); opacity: 0.6; }
.approval-card-v2--expired  { border-color: var(--agent-border); opacity: 0.5; }

.approval-card-v2__header {
    font-size: 12px;
    font-weight: 600;
    color: #bd93f9;
}

.approval-card-v2__desc {
    font-size: 11px;
    color: var(--md-sys-color-on-surface-variant);
    line-height: 1.5;
}

.approval-card-v2__args {
    font-size: 10px;
    font-family: 'Fira Code', monospace;
    background: rgba(0, 0, 0, 0.25);
    border-radius: 6px;
    padding: 8px;
    color: var(--md-sys-color-on-surface-variant);
    max-height: 80px;
    overflow: auto;
    white-space: pre-wrap;
    word-break: break-all;
    margin: 0;
}

.approval-card-v2__actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.approval-card-v2__approve {
    background: linear-gradient(135deg, #50fa7b, #27c93f); color: #13141a; border: none;
    padding: 5px 14px; border-radius: 6px; font-size: 11px; font-weight: 700;
    cursor: pointer; transition: filter var(--duration-fast) ease;
}
.approval-card-v2__approve:hover { filter: brightness(1.1); }

.approval-card-v2__deny {
    background: rgba(255, 59, 48, 0.1); border: 1px solid rgba(255, 59, 48, 0.25);
    color: var(--status-error); padding: 5px 14px; border-radius: 6px;
    font-size: 11px; font-weight: 700; cursor: pointer; transition: all var(--duration-fast) ease;
}
.approval-card-v2__deny:hover { background: rgba(255, 59, 48, 0.2); }

.approval-card-v2__timer {
    font-size: 10px;
    color: var(--md-sys-color-on-surface-variant);
    text-align: right;
    font-feature-settings: 'tnum';
}

/* ── Reduced Motion ─────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .autonomy-panel-v2__content { animation: none; }
    .undo-timeline__item { animation: none; }
    .approval-card-v2 { animation: none; }
}