/*
 * Stratum Slack Panel — Project board channel panel styles.
 *
 * Renders a collapsible Slack conversation panel at the bottom
 * of each project card that has a linked channel.
 */

/* ── Panel container ────────────────────────────────────────── */
/* Layout is provided by .stratum-addon-section / .stratum-addon-header /
   .stratum-addon-toggle / .stratum-addon-body from the client-portal CSS.
   Only Slack-specific overrides go here. */

/* ── Messages container ─────────────────────────────────────── */

.stratum-slack-messages {
    max-height: 360px;
    overflow-y: auto;
    padding: 8px 12px;
}

.stratum-slack-loading,
.stratum-slack-empty,
.stratum-slack-error {
    text-align: center;
    padding: 16px 0;
    color: var(--gray, #999);
    font-size: 0.8rem;
    margin: 0;
}

.stratum-slack-error {
    color: #c33;
}

/* ── Message ────────────────────────────────────────────────── */

.stratum-slack-msg {
    display: flex;
    gap: 8px;
    padding: 4px 0;
}

.stratum-slack-msg + .stratum-slack-msg {
    border-top: 1px solid var(--content-border, #eee);
}

.stratum-slack-msg.is-me {
    background: rgba(18, 100, 163, 0.05);
    border-radius: 4px;
    padding: 4px 6px;
    margin: 0 -6px;
}

.stratum-slack-avatar {
    width: 28px;
    height: 28px;
    border-radius: 4px;
    flex-shrink: 0;
    margin-top: 2px;
}

.stratum-slack-avatar--empty {
    background: var(--gray, #ccc);
}

.stratum-slack-msg-body {
    flex: 1;
    min-width: 0;
}

.stratum-slack-msg-header {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 1px;
}

.stratum-slack-name {
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--text, #333);
}

.stratum-slack-time {
    font-size: 0.7rem;
    color: var(--gray, #999);
}

.stratum-slack-text {
    font-size: 0.8rem;
    line-height: 1.45;
    color: var(--text, #333);
    word-break: break-word;
}

.stratum-slack-text code {
    background: var(--panel-bg, #f4f4f4);
    padding: 1px 4px;
    border-radius: 3px;
    font-size: 0.75rem;
}

.stratum-slack-text a {
    color: var(--link, #1264a3);
}

.stratum-slack-mention {
    color: var(--link, #1264a3);
    font-weight: 600;
    background: rgba(18, 100, 163, 0.08);
    padding: 0 2px;
    border-radius: 3px;
}

/* ── Files ──────────────────────────────────────────────────── */

.stratum-slack-files {
    margin-top: 4px;
}

.stratum-slack-file-img img {
    max-width: 200px;
    max-height: 150px;
    border-radius: 4px;
    border: 1px solid var(--content-border, #ddd);
}

.stratum-slack-file {
    font-size: 0.75rem;
}

.stratum-slack-file a {
    color: var(--link, #1264a3);
}

/* ── Thread link ────────────────────────────────────────────── */

.stratum-slack-thread-link {
    display: inline-block;
    margin-top: 4px;
    font-size: 0.75rem;
    color: var(--link, #1264a3);
    text-decoration: none;
    font-weight: 600;
}

.stratum-slack-thread-link:hover {
    text-decoration: underline;
}

/* ── Thread panel ───────────────────────────────────────────── */

.stratum-slack-thread {
    margin: 6px 0 4px 36px;
    padding: 8px 10px;
    background: var(--panel-bg, #f8f8f8);
    border: 1px solid var(--content-border, #ddd);
    border-radius: var(--border-radius, 4px);
}

.stratum-slack-thread-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
    font-size: 0.8rem;
}

.stratum-slack-thread-close {
    font-size: 1.1rem;
    color: var(--gray, #999);
    text-decoration: none;
    line-height: 1;
}

.stratum-slack-thread-close:hover {
    color: var(--text, #333);
}

.stratum-slack-thread .stratum-slack-msg {
    padding: 3px 0;
}

.stratum-slack-thread .stratum-slack-avatar {
    width: 22px;
    height: 22px;
}

.stratum-slack-thread .stratum-slack-name {
    font-size: 0.75rem;
}

.stratum-slack-thread .stratum-slack-text {
    font-size: 0.75rem;
}

/* ── Compose ────────────────────────────────────────────────── */

.stratum-slack-compose {
    display: flex;
    gap: 6px;
    padding: 8px 12px;
    border-top: 1px solid var(--content-border, #ddd);
}

.stratum-slack-input {
    flex: 1;
    font-size: 0.8rem;
    padding: 5px 8px;
    height: auto;
}

.stratum-slack-send {
    font-size: 0.75rem;
    padding: 4px 12px;
    height: auto;
    white-space: nowrap;
}

.stratum-slack-thread-compose {
    margin-top: 6px;
    padding: 6px 0 0;
    border-top: 1px solid var(--content-border, #ddd);
}

.stratum-slack-thread-compose .stratum-slack-input {
    font-size: 0.75rem;
}

.stratum-slack-thread-compose .stratum-slack-send {
    font-size: 0.7rem;
    padding: 3px 8px;
}

/* ── Load more ──────────────────────────────────────────────── */

.stratum-slack-load-more {
    font-size: 0.75rem;
    color: var(--link, #1264a3);
    text-decoration: none;
}

.stratum-slack-load-more:hover {
    text-decoration: underline;
}