/*
 * Chat panel — messages, two-row chrome, composer.
 * Bar-button visuals live on `.bar-btn` / `.chat-bar__button`
 * (components/bar-btn.css). Composer focus is blue glow — the
 * field autofocuses, so the gold --interactive-focus-outline
 * would sit on the chrome at rest.
 * Send uses the Button Primary primitive; this file only sizes the square.
 */

.chat-panel {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: transparent;
}

.chat-upgrade-notice {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--text-primary);
}

.chat-upgrade-notice .upgrade-icon {
    color: var(--text-accent);
    opacity: 0.8;
    margin-bottom: var(--spacing-lg);
}

.chat-upgrade-notice h2 {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.chat-upgrade-notice .upgrade-description {
    max-width: 25rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.chat-upgrade-notice .upgrade-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.chat-upgrade-notice .feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--text-primary);
}

.chat-upgrade-notice .feature-icon {
    color: var(--text-accent);
    font-weight: 700;
}

.chat-upgrade-notice .upgrade-status {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.chat-header {
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid color-mix(in srgb, var(--text-accent) 20%, transparent);
}

.chat-messages-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    min-height: 0;
}

.chat-navigation {
    padding: var(--spacing-sm) var(--spacing-md);
    border-top: 1px solid color-mix(in srgb, var(--text-accent) 20%, transparent);
    background: color-mix(in srgb, var(--card-bg) 50%, transparent);
}

.chat-input-container {
    min-height: var(--bar-row-height-bottom);
    padding: var(--bar-row-pad-block) var(--bar-row-pad-inline);
    background: var(--bar-row-bg);
}

.chat-input {
    display: flex;
    gap: 0;
    align-items: stretch;
}

.chat-model-picker {
    position: relative;
    flex-shrink: 0;
    display: flex;
    align-items: stretch;
}

.chat-model-picker__label {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-sm);
    pointer-events: none;
    font-family: 'Orbitron', monospace;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
}

.chat-model-picker::after {
    content: "";
    position: absolute;
    right: var(--spacing-sm);
    top: 50%;
    width: 0.35rem;
    height: 0.35rem;
    border-right: 1px solid var(--text-muted);
    border-bottom: 1px solid var(--text-muted);
    transform: translateY(-70%) rotate(45deg);
    pointer-events: none;
}

.chat-model-select {
    appearance: none;
    -webkit-appearance: none;
    width: 6.5rem;
    max-width: 6.5rem;
    min-height: var(--bar-button-size);
    padding: 0 var(--spacing-lg) 0 var(--spacing-sm);
    background: var(--card-bg);
    border: 1px solid color-mix(in srgb, var(--text-accent) 22%, transparent);
    border-radius: 0;
    border-top: none;
    border-bottom: none;
    border-left: none;
    color: transparent;
    caret-color: transparent;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.7rem;
    outline: none;
    cursor: pointer;
    overflow: hidden;
}

.chat-model-select option {
    color: var(--text-primary);
    background: var(--card-bg);
}

.chat-model-select:focus,
.chat-model-select:focus-visible {
    outline: none;
    border-color: color-mix(in srgb, var(--text-accent) 45%, transparent);
    box-shadow: none;
}

.chat-input-field {
    flex: 1;
    min-height: var(--bar-button-size);
    max-height: 7.5rem;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--card-bg);
    border: 1px solid var(--primary-blue);
    border-radius: 0;
    border-top: none;
    border-bottom: none;
    margin-left: -1px;
    color: var(--text-primary);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.9rem;
    resize: none;
    outline: none;
    transition:
        border-color var(--duration-fast),
        box-shadow var(--duration-fast);
}

.chat-input-field:focus,
.chat-input-field:focus-visible {
    outline: none;
    border-color: var(--text-accent);
    box-shadow: var(--shadow-glow-blue);
}

.chat-input-field::placeholder {
    color: var(--text-muted);
    font-family: 'Orbitron', monospace;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.chat-send-wrap {
    display: flex;
    flex-shrink: 0;
    margin-left: -1px;
}

.chat-send-wrap .chat-send-button,
.chat-send-wrap .chat-send-button:hover,
.chat-send-wrap .chat-send-button:focus-visible {
    width: var(--bar-button-size);
    min-height: var(--bar-button-size);
    height: auto;
    padding: 0;
    flex-shrink: 0;
    align-self: stretch;
    border-radius: 0;
    border-top: none;
    border-bottom: none;
    border-right: none;
    outline: none;
    transform: none;
    box-shadow: none;
}

/* ----- Messages ----- */

.message-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    overflow: visible;
}

.message-block {
    display: flex;
    flex-direction: column;
    max-width: 85%;
    gap: var(--spacing-xs);
    min-width: 0;
}

.message-block--user {
    align-self: flex-end;
    align-items: flex-end;
}

.message-block--agent {
    align-self: flex-start;
    align-items: flex-start;
}

.message-block--system {
    align-self: center;
    align-items: center;
}

.message {
    position: relative;
    isolation: isolate;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    /* --radius-md reads as a pill on short turns. 0 is the
       bezel-cell language. --radius-sm keeps a card. */
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    box-shadow: none;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.85rem;
}

/* The wash lives only on the pseudo. A fill or 1px stroke
   on `.message` is a hard edge — the blur cannot dissolve
   a painted rectangle that sits in front of it. */
.message::before,
.message::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    border-radius: inherit;
    pointer-events: none;
}

.message::before {
    filter: blur(0.45rem);
    opacity: 0.95;
}

.message::after {
    filter: blur(0.75rem);
    opacity: 0.45;
}

.message-user,
.message-agent {
    background: transparent;
    border: none;
    box-shadow: none;
}

.message-user {
    color: var(--patriot-white);
    border-bottom-right-radius: 0;
}

.message-user::before,
.message-user::after {
    background: color-mix(in srgb, var(--anviz-accent-secondary) 42%, transparent);
}

.message-agent {
    color: var(--text-secondary);
    border-bottom-left-radius: 0;
}

.message-agent::before,
.message-agent::after {
    background: color-mix(in srgb, var(--primary-blue) 26%, transparent);
}

.message-system {
    background: transparent;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: none;
    border: none;
}

.message-system::before,
.message-system::after {
    display: none;
}

.message-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
    font-size: 0.65rem;
    font-family: 'Orbitron', monospace;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.7;
}

.message-content {
    line-height: 1.6;
}

.message-actions {
    display: flex;
    align-items: center;
    align-self: stretch;
    gap: var(--spacing-xs);
    margin: 0;
    padding: 0;
    border: none;
    opacity: 1;
}

.message-block--user .message-actions {
    justify-content: flex-end;
}

.message-block--agent .message-actions {
    justify-content: flex-start;
}

.msg-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--spacing-lg);
    height: var(--spacing-lg);
    padding: 0;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: color var(--duration-fast);
}

.msg-action-icon {
    width: 0.75rem;
    height: 0.75rem;
    display: block;
}

.msg-action-btn:hover,
.msg-action-btn:focus-visible {
    background: transparent;
    border: none;
    color: var(--text-primary);
}

.msg-action-btn.copied {
    background: transparent;
    border: none;
    color: var(--text-success);
}

.edit-inline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    width: 100%;
    margin-top: 0;
}

.edit-inline .edit-textarea,
.edit-textarea {
    width: 100%;
    min-height: 3.75rem;
    background: color-mix(in srgb, var(--card-bg) 80%, transparent);
    color: var(--text-primary);
    border: 1px solid color-mix(in srgb, var(--text-accent) 30%, transparent);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    font-family: inherit;
    font-size: 0.9rem;
    resize: vertical;
}

.edit-inline .edit-textarea:focus,
.edit-textarea:focus {
    outline: var(--interactive-focus-outline);
    outline-offset: var(--interactive-focus-offset);
    box-shadow: none;
}

.edit-buttons,
.edit-actions {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: flex-end;
}

.edit-save,
.edit-submit {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.8rem;
    background: var(--primary-blue);
    color: var(--patriot-white);
    border: none;
}

.edit-cancel {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.8rem;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid color-mix(in srgb, var(--text-accent) 25%, transparent);
}

.message.streaming {
    position: relative;
}

.streaming-message-text {
    margin: 0;
    padding: 0;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.7;
    color: var(--text-secondary);
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    word-break: break-word;
}

/* ----- Markdown (chat agent bubbles) ----- */

.markdown-content {
    line-height: 1.7;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
    color: var(--text-accent);
    font-family: 'Orbitron', monospace;
    margin: 0.8em 0 0.4em 0;
    font-weight: 600;
}

.markdown-content h1 {
    font-size: 1.4rem;
    border-bottom: 1px solid color-mix(in srgb, var(--text-accent) 20%, transparent);
    padding-bottom: 0.3em;
}

.markdown-content h2 { font-size: 1.2rem; }

.markdown-content h3 {
    font-size: 1rem;
    color: var(--accent-gold);
}

.markdown-content p { margin: 0.5em 0; }

.markdown-content ul,
.markdown-content ol {
    margin: 0.5em 0;
    padding-left: 1.5em;
}

.markdown-content li { margin: 0.25em 0; }

.markdown-content strong {
    color: var(--accent-gold);
    font-weight: 600;
}

.markdown-content em {
    color: var(--text-secondary);
    font-style: italic;
}

.markdown-content code {
    background: color-mix(in srgb, var(--dark-bg) 70%, transparent);
    color: var(--text-accent);
    padding: 0.15em 0.4em;
    border-radius: var(--radius-sm);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.85em;
}

.markdown-content pre {
    background: color-mix(in srgb, var(--dark-bg) 80%, transparent);
    border: 1px solid color-mix(in srgb, var(--text-accent) 20%, transparent);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    margin: 0.75em 0;
    overflow-x: auto;
}

.markdown-content pre code {
    background: none;
    padding: 0;
    color: var(--text-secondary);
    font-size: 0.8rem;
    line-height: 1.5;
}

.markdown-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 0.75em 0;
    font-size: 0.85em;
}

.markdown-content th,
.markdown-content td {
    border: 1px solid color-mix(in srgb, var(--text-accent) 20%, transparent);
    padding: 0.4em 0.6em;
    text-align: left;
}

.markdown-content th {
    background: color-mix(in srgb, var(--text-accent) 10%, transparent);
    color: var(--text-accent);
    font-weight: 600;
}

.markdown-content tr:nth-child(even) td {
    background: color-mix(in srgb, var(--dark-bg) 40%, transparent);
}

.markdown-content hr {
    border: none;
    height: 1px;
    background: color-mix(in srgb, var(--text-accent) 25%, transparent);
    margin: 1em 0;
}

.markdown-content blockquote {
    border-left: 1px solid var(--accent-gold);
    margin: 0.75em 0;
    padding: 0.5em 1em;
    background: color-mix(in srgb, var(--accent-gold) 5%, transparent);
    color: var(--text-secondary);
}

.markdown-content a {
    color: var(--text-accent);
    text-decoration: none;
    border-bottom: 1px dashed var(--text-accent);
}

.markdown-content a:hover {
    color: var(--accent-gold);
    border-color: var(--accent-gold);
}

.markdown-content input[type="checkbox"] {
    margin-right: 0.5em;
    accent-color: var(--text-accent);
}

.markdown-content .diagram {
    margin: 1.5rem 0;
    padding: var(--spacing-md);
    background: color-mix(in srgb, var(--navy-dark) 90%, transparent);
    border: 1px solid var(--text-accent);
    border-radius: var(--radius-sm);
    display: inline-block;
    max-width: 100%;
}

.markdown-content .diagram svg {
    display: block;
    width: 100%;
    max-width: 17.5rem;
    height: auto;
}

.markdown-content .action-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
}

/* In-bubble agent actions — quiet the monolith gradient/lift
   chips so they match the tighter bubble language. Scoped to
   `.message` so the shared `.action-btn` primitive is untouched. */
.message .action-btn {
    margin: var(--spacing-xs) 0;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    border: 1px solid var(--primary-blue);
    background: color-mix(in srgb, var(--primary-blue) 16%, transparent);
    color: var(--text-primary);
    box-shadow: none;
    transform: none;
}

.message .action-btn:hover,
.message .action-btn:active {
    transform: none;
    box-shadow: none;
    background: color-mix(in srgb, var(--primary-blue) 28%, transparent);
}

.message .action-btn.approval {
    border-color: var(--text-success);
    background: color-mix(in srgb, var(--text-success) 16%, transparent);
}

.message .action-btn.approval:hover {
    background: color-mix(in srgb, var(--text-success) 28%, transparent);
}

.message .action-btn.notification {
    border-color: color-mix(in srgb, var(--text-muted) 50%, transparent);
    background: color-mix(in srgb, var(--card-bg) 80%, transparent);
    color: var(--text-secondary);
}

.message .action-btn.notification:hover {
    background: color-mix(in srgb, var(--card-bg) 100%, transparent);
    color: var(--text-primary);
}

/* ----- Chat bar (layout only; visuals from .bar-btn) ----- */

.chat-bar-row {
    flex-shrink: 0;
    background: var(--bar-row-bg);
    border-top: var(--bar-row-border);
    border-bottom: var(--bar-row-divider);
    box-shadow: var(--bar-row-shadow);
    overflow-x: auto;
    overflow-y: hidden;
}

.chat-bar {
    --bar-modules: 3;
    height: var(--bar-row-height-top);
    display: grid;
    grid-template-columns: repeat(
        var(--bar-modules),
        minmax(var(--bar-button-size), 1fr)
    );
    align-items: stretch;
    padding: 0 var(--bar-row-pad-inline);
    gap: 0;
    overflow-x: auto;
    min-width: 0;
    scrollbar-width: none;
}

.chat-bar::-webkit-scrollbar {
    display: none;
}

.chat-bar__leading,
.chat-bar__trailing {
    display: contents;
}

.chat-bar .chat-bar__button {
    border-top: none;
    border-bottom: none;
}

.chat-bar__leading .chat-bar__button:first-child {
    border-left: none;
}

.chat-bar__trailing .chat-bar__button:last-child {
    border-right: none;
}

.chat-bar__trailing .chat-bar__button + .chat-bar__button,
.chat-bar__trailing .chat-bar__button:first-child {
    margin-left: -1px;
}

.chat-bar__button--dbom {
    border-style: dashed;
    color: var(--text-muted);
    border-color: color-mix(in srgb, var(--text-muted) 65%, transparent);
}

.chat-bar__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.95rem;
    line-height: 1;
}

.chat-bar__label {
    line-height: 1;
}

.chat-bar__button {
    min-width: 0;
    width: auto;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chat-nav {
    display: flex;
    gap: var(--spacing-sm);
}