/* =========================================
   Chat Panel — Expandable from Command Bar
   ========================================= */

.chat-panel {
    position: relative;
    max-height: 400px;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(.4, 0, .2, 1),
                border-color 0.3s ease;
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, rgba(2, 6, 23, 0.6) 0%, rgba(2, 6, 23, 0.3) 100%);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid rgba(59, 130, 246, 0.08);
}

.chat-panel.collapsed {
    max-height: 0;
    border-top-color: transparent;
}

/* Chat Toggle Button */
.chat-toggle {
    background: none;
    border: none;
    color: var(--text-tertiary);
    font-family: inherit;
    font-size: 8px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    cursor: pointer;
    padding: 2px 8px;
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    transition: color 0.2s ease;
}

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

/* ── Context Header ──────────────────────────────────────────── */

.chat-context-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.04) 0%, transparent 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    flex-wrap: wrap;
    flex-shrink: 0;
}

.chat-context-label {
    color: var(--accent);
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    flex-shrink: 0;
    opacity: 0.7;
}

.chat-context-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.chat-context-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: rgba(59, 130, 246, 0.06);
    border: 1px solid rgba(59, 130, 246, 0.15);
    color: var(--text-primary);
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    cursor: default;
    transition: all 0.2s ease;
}

.chat-context-chip:hover {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.3);
}

.chat-context-chip .chip-label {
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
    font-weight: 500;
}

.chat-context-chip .chip-status {
    font-size: 8px;
    line-height: 1;
}

.chat-context-chip .chip-status.match { color: var(--mission-match); }
.chat-context-chip .chip-status.no-match { color: var(--mission-nomatch); }
.chat-context-chip .chip-status.unassessed { color: var(--text-tertiary); }

/* ── Chip Hover Tooltip (mini track card) ────────────────────── */

.chip-tooltip {
    position: absolute;
    z-index: 20;
    background: rgba(2, 6, 23, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(59, 130, 246, 0.12);
    border-radius: 8px;
    padding: 10px 12px;
    min-width: 200px;
    max-width: 300px;
    pointer-events: none;
    animation: tooltipIn 0.15s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4),
                0 0 1px rgba(59, 130, 246, 0.2);
}

@keyframes tooltipIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

.chip-tooltip .tt-header {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.chip-tooltip .tt-label {
    color: var(--text-secondary);
    font-weight: 400;
}

.chip-tooltip .tt-badge {
    font-size: 9px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.chip-tooltip .tt-match {
    background: var(--mission-match-bg);
    color: var(--mission-match);
    border: 1px solid rgba(52, 211, 153, 0.25);
}

.chip-tooltip .tt-nomatch {
    background: var(--mission-nomatch-bg);
    color: var(--mission-nomatch);
    border: 1px solid rgba(248, 113, 113, 0.2);
}

.chip-tooltip .tt-pending {
    background: var(--mission-unassessed-bg);
    color: var(--mission-unassessed);
    border: 1px solid rgba(100, 116, 139, 0.2);
}

.chip-tooltip .tt-metrics {
    display: flex;
    gap: 12px;
    font-size: 10px;
    color: var(--text-tertiary);
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    margin-bottom: 4px;
    padding: 4px 0;
}

.chip-tooltip .tt-metrics span {
    display: flex;
    gap: 3px;
}

.chip-tooltip .tt-reason {
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-top: 6px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 6px;
}

/* ── Suggestion Chips ────────────────────────────────────────── */

.chat-suggestions {
    display: flex;
    gap: 6px;
    padding: 8px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    flex-wrap: wrap;
    flex-shrink: 0;
    overflow-x: auto;
}

.chat-suggestion-chip {
    background: rgba(59, 130, 246, 0.04);
    border: 1px solid rgba(59, 130, 246, 0.12);
    color: var(--accent-light);
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
    letter-spacing: 0.1px;
}

.chat-suggestion-chip:hover {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.35);
    color: #fff;
    box-shadow: 0 0 12px rgba(59, 130, 246, 0.15);
}

/* ── Messages Area ───────────────────────────────────────────── */

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 10px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 0;
}

.chat-msg {
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 12.5px;
    line-height: 1.6;
    animation: msgSlideIn 0.25s ease;
}

@keyframes msgSlideIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.chat-msg.user {
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.12);
    border-left: 2px solid var(--accent);
    margin-left: 20px;
    color: var(--text-primary);
}

.chat-msg.assistant {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-left: 2px solid rgba(139, 92, 246, 0.4);
    margin-right: 20px;
    color: var(--text-secondary);
}

.chat-msg.marker {
    background: none;
    border: none;
    text-align: center;
    color: var(--text-tertiary);
    font-size: 10px;
    padding: 4px 0;
    letter-spacing: 0.3px;
}

.chat-msg .msg-role {
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 3px;
    opacity: 0.5;
}

.chat-msg.user .msg-role { color: var(--accent-light); }
.chat-msg.assistant .msg-role { color: #a78bfa; }

.chat-msg.loading .msg-text::after {
    content: "";
    display: inline-block;
    width: 10px; height: 10px;
    border: 2px solid rgba(255,255,255,.08);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-left: 8px;
    vertical-align: middle;
}

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