.msg-shell,
.msg-shell *,
.msg-shell *::before,
.msg-shell *::after,
.msg-modal-overlay,
.msg-modal-overlay *,
.msg-modal-overlay *::before,
.msg-modal-overlay *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.messages-page {
  --msg-bg: var(--background);
  --msg-surface: var(--dark-bg);
  --msg-surface-2: var(--surface);
  --msg-surface-3: var(--surface-soft);
  --msg-border: var(--border);
  --msg-outline: var(--outline);
  --msg-shadow: var(--shadow);
  --msg-accent: var(--sb-active-i-color);
  --msg-accent-2: var(--task-light-purple);
  --msg-text: var(--white-text);
  --msg-text-2: var(--muted-text);
  --msg-text-3: var(--sb-title-text);
  --msg-online: var(--project-green);
}

html {
  height: 100%;
}

body.messages-page {
  min-height: 100%;
  height: 100%;
  font-family: "Inter", "DM Sans", sans-serif;
  background: var(--background);
  color: var(--white-text);
  overflow: hidden;
}

/* ── LAYOUT ── */
.msg-shell {
  position: fixed;
  left: 15%;
  right: 0;
  top: 60px;
  bottom: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  height: auto;
  min-width: 0;
  background: var(--msg-bg);
}

.messages-page .msg-header {
  flex-shrink: 0;
  padding: 18px 28px;
  background: var(--msg-bg);
  border-bottom: 1px solid var(--msg-border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.messages-page .msg-header h1 {
  font-family: "Syne", sans-serif;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.messages-page .msg-header span {
  font-size: 20px;
}

.msg-body {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  border-top: 1px solid var(--msg-border);
}

/* ── SIDEBAR ── */
.msg-sidebar {
  width: 300px;
  flex-shrink: 0;
  border-right: 1px solid var(--msg-border);
  display: flex;
  flex-direction: column;
  background: var(--msg-surface);
}

.msg-sidebar-head {
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--msg-border);
}

.msg-sidebar-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.msg-sidebar-label {
  font-family: "Syne", sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--msg-text-3);
}
.msg-btn-new {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--msg-surface-3);
  border: 1px solid var(--msg-border);
  color: var(--msg-text-2);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background 0.15s,
    color 0.15s,
    border-color 0.15s;
}
.msg-btn-new:hover {
  background: var(--msg-accent);
  color: #fff;
  border-color: var(--msg-accent);
}

.msg-search-wrap {
  position: relative;
  margin-bottom: 12px;
}
.msg-search-wrap svg {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  fill: var(--msg-text-3);
  pointer-events: none;
}
.msg-search-wrap input {
  width: 100%;
  background: var(--msg-surface-2);
  border: 1px solid var(--msg-border);
  border-radius: 10px;
  padding: 8px 12px 8px 32px;
  color: var(--msg-text);
  font-family: "DM Sans", sans-serif;
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
}
.msg-search-wrap input:focus {
  border-color: var(--msg-accent);
}
.msg-search-wrap input::placeholder {
  color: var(--msg-text-3);
}

.msg-filters {
  display: flex;
  gap: 4px;
}
.msg-filter-btn {
  flex: 1;
  padding: 6px 0;
  border: none;
  background: transparent;
  color: var(--msg-text-3);
  font-family: "DM Sans", sans-serif;
  font-size: 12px;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  transition:
    background 0.15s,
    color 0.15s;
}
.msg-filter-btn.is-active {
  background: var(--msg-surface-3);
  color: var(--msg-text);
}
.msg-filter-btn:hover:not(.is-active) {
  color: var(--msg-text-2);
}

.msg-conv-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}
.msg-conv-list::-webkit-scrollbar {
  width: 4px;
}
.msg-conv-list::-webkit-scrollbar-thumb {
  background: var(--msg-border);
  border-radius: 2px;
}

.msg-conv-item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 11px;
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.15s;
}
.msg-conv-item:hover {
  background: var(--msg-surface-2);
}
.msg-conv-item.is-active {
  background: var(--msg-surface-3);
}

.msg-ava {
  position: relative;
  flex-shrink: 0;
}
.msg-ava-circle {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Syne", sans-serif;
  font-weight: 700;
  font-size: 14px;
  color: #fff;
}
.msg-ava-dot {
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 11px;
  height: 11px;
  background: var(--msg-online);
  border-radius: 50%;
  border: 2px solid var(--msg-surface);
}

.msg-conv-info {
  flex: 1;
  min-width: 0;
}
.msg-conv-name {
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}
.msg-conv-preview {
  font-size: 12px;
  color: var(--msg-text-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.msg-conv-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  flex-shrink: 0;
}
.msg-conv-time {
  font-size: 11px;
  color: var(--msg-text-3);
}
.msg-badge {
  background: var(--msg-accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
}

.msg-no-results {
  text-align: center;
  color: var(--msg-text-3);
  font-size: 13px;
  padding: 24px 0;
}

/* ── CHAT ── */
.msg-chat-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.msg-empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--msg-text-3);
}
.msg-empty-state .msg-empty-icon {
  font-size: 52px;
  opacity: 0.25;
}
.msg-empty-state .msg-empty-title {
  font-family: "Syne", sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--msg-text-2);
}
.msg-empty-state .msg-empty-sub {
  font-size: 13px;
}

.msg-chat-header {
  flex-shrink: 0;
  padding: 13px 22px;
  border-bottom: 1px solid var(--msg-border);
  background: var(--msg-surface);
  display: flex;
  align-items: center;
  gap: 12px;
}
.msg-chat-header .msg-ava-circle {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  font-size: 13px;
}
.msg-chat-name {
  font-family: "Syne", sans-serif;
  font-size: 15px;
  font-weight: 700;
}
.msg-chat-status {
  font-size: 12px;
  color: var(--msg-online);
}
.msg-chat-status.is-off {
  color: var(--msg-text-3);
}

.msg-thread {
  flex: 1;
  overflow-y: auto;
  padding: 22px 22px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.msg-thread::-webkit-scrollbar {
  width: 4px;
}
.msg-thread::-webkit-scrollbar-thumb {
  background: var(--msg-border);
  border-radius: 2px;
}

.msg-date-sep {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  color: var(--msg-text-3);
  margin: 8px 0 4px;
}
.msg-date-sep::before,
.msg-date-sep::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--msg-border);
}

.msg-message-row {
  display: flex;
  align-items: flex-end;
  gap: 9px;
  animation: pop 0.22s ease forwards;
}
.msg-message-row.msg-message-sent {
  flex-direction: row-reverse;
}

@keyframes pop {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.msg-message-ava {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Syne", sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.msg-message-row.msg-message-sent .msg-message-ava {
  display: none;
}

.msg-bubble-wrap {
  display: flex;
  flex-direction: column;
}
.msg-message-row.msg-message-sent .msg-bubble-wrap {
  align-items: flex-end;
}

.msg-bubble {
  max-width: 340px;
  padding: 10px 14px;
  font-size: 14px;
  line-height: 1.55;
  border-radius: 16px;
  word-break: break-word;
}
.msg-message-recv .msg-bubble {
  background: var(--msg-surface-2);
  border: 1px solid var(--msg-border);
  border-bottom-left-radius: 4px;
  color: var(--msg-text);
}
.msg-message-sent .msg-bubble {
  background: linear-gradient(135deg, var(--msg-accent), var(--msg-accent-2));
  border-bottom-right-radius: 4px;
  color: #fff;
}

.msg-bubble-meta {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 3px;
  font-size: 11px;
  color: var(--msg-text-3);
}
.msg-message-sent .msg-bubble-meta {
  justify-content: flex-end;
}
.msg-tick {
  font-size: 12px;
  color: var(--msg-accent);
}

/* ── INPUT ── */
.msg-input-bar {
  flex-shrink: 0;
  padding: 12px 18px;
  border-top: 1px solid var(--msg-border);
  background: var(--msg-surface);
  display: flex;
  gap: 10px;
  align-items: flex-end;
}
.msg-input-field-wrap {
  flex: 1;
  background: var(--msg-surface-2);
  border: 1px solid var(--msg-border);
  border-radius: 14px;
  display: flex;
  align-items: flex-end;
  transition: border-color 0.2s;
}
.msg-input-field-wrap:focus-within {
  border-color: var(--msg-accent);
}
.msg-input-field-wrap textarea {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--msg-text);
  font-family: "DM Sans", sans-serif;
  font-size: 14px;
  padding: 11px 12px;
  resize: none;
  max-height: 120px;
  line-height: 1.45;
}
.msg-input-field-wrap textarea::placeholder {
  color: var(--msg-text-3);
}

.msg-send-btn {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--msg-accent);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition:
    background 0.15s,
    transform 0.1s;
  margin: 6px;
}
.msg-send-btn:hover {
  background: var(--team-performance-blue);
}
.msg-send-btn:active {
  transform: scale(0.94);
}
.msg-send-btn svg {
  width: 16px;
  height: 16px;
  fill: #fff;
}

/* ── MODAL ── */
.msg-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 10000;
  align-items: center;
  justify-content: center;
}
.msg-modal-overlay.is-open {
  display: flex;
}
.msg-modal {
  background: var(--msg-surface);
  border: 1px solid var(--msg-border);
  border-radius: 18px;
  padding: 28px 28px 24px;
  width: 340px;
  animation: pop 0.2s ease;
}
.msg-modal h2 {
  font-family: "Syne", sans-serif;
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 16px;
}
.msg-modal input {
  width: 100%;
  background: var(--msg-surface-2);
  border: 1px solid var(--msg-border);
  border-radius: 10px;
  padding: 10px 14px;
  color: var(--msg-text);
  font-family: "DM Sans", sans-serif;
  font-size: 14px;
  outline: none;
  margin-bottom: 8px;
  transition: border-color 0.2s;
}
.msg-modal input:focus {
  border-color: var(--msg-accent);
}
.msg-modal input::placeholder {
  color: var(--msg-text-3);
}
.msg-modal-btns {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}
.msg-modal-btns button {
  flex: 1;
  padding: 10px;
  border-radius: 10px;
  border: none;
  font-family: "DM Sans", sans-serif;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s;
}
.msg-modal-btns button:hover {
  opacity: 0.85;
}
.msg-btn-cancel {
  background: var(--msg-surface-3);
  color: var(--msg-text-2);
}
.msg-btn-create {
  background: var(--msg-accent);
  color: #fff;
}

/* type toggle inside modal */
.msg-type-toggle {
  display: flex;
  gap: 6px;
  margin-bottom: 4px;
}
.msg-type-toggle button {
  flex: 1;
  padding: 7px;
  border-radius: 8px;
  border: 1px solid var(--msg-border);
  background: var(--msg-surface-2);
  color: var(--msg-text-3);
  font-family: "DM Sans", sans-serif;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
}
.msg-type-toggle button.is-active {
  background: var(--msg-surface-3);
  color: var(--msg-text);
  border-color: var(--msg-accent);
}
@media (max-width: 1000px) {
  .msg-sidebar {
    width: 270px;
  }

  .msg-bubble {
    max-width: min(340px, 72vw);
  }
}

@media (max-width: 768px) {
  .msg-shell {
    left: 0;
    top: 60px;
  }

  .msg-body {
    flex-direction: column;
  }

  .msg-sidebar {
    width: 100%;
    height: 44%;
    min-height: 260px;
    border-right: 0;
    border-bottom: 1px solid var(--msg-border);
  }

  .msg-chat-area {
    min-height: 0;
  }

  .msg-thread {
    padding: 16px 14px 10px;
  }

  .msg-input-bar {
    padding: 10px 12px;
  }

  .msg-bubble {
    max-width: 78vw;
  }

  .msg-modal {
    width: min(340px, calc(100vw - 28px));
  }
}

@media (max-width: 520px) {
  .msg-sidebar {
    height: 40%;
    min-height: 235px;
  }

  .msg-sidebar-head {
    padding: 12px;
  }

  .msg-conv-list {
    padding: 6px;
  }

  .msg-conv-item {
    padding: 9px;
  }

  .msg-chat-header {
    padding: 11px 14px;
  }

  .msg-empty-state {
    padding: 18px;
    text-align: center;
  }

  .msg-input-field-wrap textarea {
    font-size: 13px;
  }
}