#staff-portal-inbox-root { width: 100%; min-width: 0; }
.spi-connection-status { margin: 0 0 12px; padding: 8px 10px; border-left: 3px solid var(--accent); border-radius: 8px; background: var(--surface2, #f6f8fa); color: var(--text2); font-size: 13px; overflow-wrap: anywhere; }
.spi-connection-status[hidden] { display: none !important; }
.spi-shell { display: grid; grid-template-columns: minmax(320px, 360px) minmax(0, 1fr); align-items: start; gap: 20px; width: 100%; min-width: 0; color: var(--text); }
.spi-sidebar, .spi-thread { min-width: 0; padding: 18px; border: 1px solid var(--border); border-radius: var(--r-sm, 10px); background: var(--surface, white); }
.spi-shell h2 { font-size: 18px; margin: 0 0 16px; overflow-wrap: anywhere; }
.spi-section + .spi-section { margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--border); }
.spi-section h3 { margin: 0 0 10px; font-size: 14px; overflow-wrap: anywhere; }
.spi-inbox-actions > .btn { width: 100%; }
.spi-list, .spi-search { display: grid; gap: 8px; margin: 12px 0; }
.spi-search { padding: 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface2, #f6f8fa); }
.spi-filter { display: grid; gap: 8px; margin: 0; min-width: 0; }
.spi-filter > label { font-weight: 600; font-size: 13px; }
.spi-filter input[type="search"] { width: 100%; min-width: 0; box-sizing: border-box; padding: 10px; border: 1px solid var(--border); border-radius: 8px; font: inherit; }
.spi-filter-controls { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 12px; min-width: 0; }
.spi-filter-controls .btn, .spi-list-header .btn { padding: 6px 10px; font-size: 12px; }
.spi-list-header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.spi-list-header h3 { margin: 0; }
.spi-list-section > p[role="status"]:empty { display: none; }
.spi-filter-unread { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; cursor: pointer; }
.spi-filter-unread input { width: 18px; height: 18px; margin: 0; }
.spi-filter-empty { margin: 12px 0; color: var(--text2); font-size: 13px; overflow-wrap: anywhere; }
.spi-help { margin: 0; color: var(--text2); font-size: 12px; overflow-wrap: anywhere; }
.spi-list .btn, .spi-search .btn { white-space: normal; overflow-wrap: anywhere; text-align: left; }
.spi-list .spi-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: start; gap: 8px; box-sizing: border-box; width: 100%; min-width: 0; text-align: left; }
.spi-row-details, .spi-row-meta { display: grid; gap: 4px; min-width: 0; }
.spi-row-meta { justify-items: end; text-align: right; }
.spi-row-name { display: block; min-width: 0; font-weight: 600; overflow-wrap: anywhere; }
.spi-row-id, .spi-row time { color: var(--text2); font-size: 12px; }
.spi-row-id, .spi-row time { overflow-wrap: anywhere; }
.spi-list .spi-unread { background: var(--accent-light); border-color: var(--accent); border-left-width: 4px; }
.spi-unread .spi-row-name { font-weight: 700; }
.spi-unread-badge { padding: 2px 8px; border-radius: 999px; background: var(--accent); color: #fff; font-size: 12px; font-weight: 700; overflow-wrap: anywhere; max-width: 100%; }
.spi-list [aria-pressed="true"] { background: var(--accent-light); border-color: var(--accent); box-shadow: inset 0 0 0 2px var(--accent); }
.spi-list .spi-unread[aria-pressed="true"] { border-left-width: 4px; box-shadow: inset 0 0 0 2px var(--accent), inset 4px 0 0 var(--accent); }
.spi-thread { min-height: 440px; }
.spi-thread-empty { display: grid; align-content: center; justify-items: center; min-height: 400px; padding: 20px; text-align: center; color: var(--text2); }
.spi-thread-empty h2 { margin-bottom: 8px; color: var(--text); }
.spi-thread-empty p { margin: 0; }
.spi-thread-header { margin: 14px 0 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.spi-thread-header h2 { margin-bottom: 4px; }
.spi-thread-id { margin: 0; color: var(--text2); font-size: 13px; overflow-wrap: anywhere; }
#nav-portal-inbox.spi-known-unread { background: var(--accent-light, #e6f4f1); color: var(--text); font-weight: 700; }
#nav-portal-inbox .spi-unread-indicator { display: inline-flex; align-items: center; gap: 5px; flex: 0 0 auto; margin-left: auto; padding: 2px 6px; border-radius: 999px; background: var(--accent); color: #fff; font-size: 9px; font-weight: 700; line-height: 1.2; letter-spacing: .04em; }
#nav-portal-inbox .spi-unread-indicator::before { content: ''; width: 7px; height: 7px; flex: 0 0 7px; border-radius: 50%; background: currentColor; }
.spi-notification-overlay { position: fixed; inset: 0; z-index: 205; display: grid; place-items: center; padding: 20px; background: rgba(0, 0, 0, .3); }
.spi-notification-overlay[hidden] { display: none !important; }
.spi-notification-card { width: min(100%, 420px); padding: 20px; border-radius: var(--r-lg, 12px); background: var(--surface, white); color: var(--text); box-shadow: 0 12px 36px rgba(0, 0, 0, .2); }
.spi-notification-card h2 { margin: 0 0 14px; font-size: 18px; }
.spi-notification-card p { margin: 0 0 12px; overflow-wrap: anywhere; }
.spi-notification-unread { font-weight: 600; }
.spi-notification-actions { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 8px; }
.spi-notification-actions .btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.spi-shell .btn { min-height: 44px; }
.spi-shell [hidden] { display: none !important; }
.spi-shell [role="status"] { font-size: 13px; overflow-wrap: anywhere; }
.spi-shell [role="status"]:not(:empty) { color: var(--text2); }
.spi-messages { height: clamp(180px, 40vh, 480px); overflow-y: auto; overflow-anchor: none; overscroll-behavior: contain; padding: 12px; background: var(--surface2, #f6f8fa); border-radius: 10px; }
.spi-message { width: fit-content; max-width: 92%; padding: 12px; margin: 8px 0; border-radius: 10px; background: var(--surface, white); overflow-wrap: anywhere; }
.spi-own { margin-left: auto; background: var(--accent-light, #e6f4f1); }
.spi-message small, .spi-message time { display: block; font-size: 12px; color: var(--text2); }
.spi-message p { white-space: pre-wrap; margin: 8px 0 0; }
.spi-empty { text-align: center; padding: 36px 10px; }
.spi-composer label, .spi-search label { display: block; margin: 12px 0 8px; }
.spi-composer textarea, .spi-search input { width: 100%; box-sizing: border-box; padding: 10px; border: 1px solid var(--border); border-radius: 8px; font: inherit; }
.spi-composer textarea { min-height: 100px; resize: vertical; }
.spi-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 12px; margin-top: 10px; }
.spi-shell :focus-visible { outline: 3px solid var(--accent, #267d83); outline-offset: 3px; }
.spi-shell button:disabled { opacity: .6; cursor: wait; }
@media (max-width: 820px) {
  .spi-shell { display: block; }
  .spi-selected .spi-sidebar { display: none; }
  .spi-shell:not(.spi-selected) .spi-thread { display: none; }
  .spi-thread { min-height: 0; padding: 12px; }
  .spi-messages { height: clamp(160px, 32vh, 320px); }
}

#staff-portal-inbox-root[hidden], #nav-portal-inbox[hidden] { display: none !important; }
#nav-portal-inbox { width: 100%; max-width: 100%; min-width: 0; box-sizing: border-box; background: transparent; text-align: left; border-top: 0; border-right: 0; border-bottom: 0; font-family: inherit; }
#nav-portal-inbox:focus-visible { outline: 3px solid var(--accent); outline-offset: -3px; }
@media (max-width: 820px) { #nav-portal-inbox { width: auto; border: 1px solid var(--border); } }