:root {

  --bubble-out-bg:        #2563eb;
  --bubble-out-text:      #ffffff;
  --bubble-in-bg:         #f1f5f9;
  --bubble-in-text:       #0f172a;

  --color-bg:             #f8fafc;
  --color-surface:        #ffffff;
  --color-surface-alt:    #f1f5f9;
  --color-border:         #e2e8f0;
  --color-border-strong:  #cbd5e1;

  --color-primary:        #2563eb;
  --color-primary-hover:  #1d4ed8;
  --color-primary-light:  #dbeafe;
  --color-primary-text:   #ffffff;

  --color-text:           #0f172a;
  --color-text-secondary: #64748b;
  --color-text-muted:     #94a3b8;
  --color-text-inverted:  #ffffff;
  
  --color-success:        #22c55e;
  --color-warning:        #f59e0b;
  --color-danger:         #ef4444;
  --color-info:           #3b82f6;

  --header-height:        56px;

  --input-bar-height:     72px;  

  --radius-sm:              4px;
  --radius:                 8px;
  --radius-md:              12px;
  --radius-lg:              16px;
  --radius-xl:              24px;
  --radius-full:            9999px;

  --shadow-sm:              0 1px 2px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.1);
  --shadow:                 0 2px 8px rgba(0,0,0,.08), 0 1px 3px rgba(0,0,0,.05);
  --shadow-md:              0 4px 16px rgba(0,0,0,.1), 0 2px 6px rgba(0,0,0,.06);
  --shadow-lg:              0 8px 32px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.08);
  --shadow-xl:              0 16px 48px rgba(0,0,0,.16);

  --sidebar-width:        320px;
  --sidebar-min:          260px;
  --sidebar-max:          480px;

  --status-available:     #22c55e;
  --status-busy:          #f97316;
  --status-lunch:         #eab308;
  --status-off-duty:      #ef4444;
  --status-vacation:      #8b5cf6;
  --status-unknown:       #94a3b8;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Cascadia Code", "Fira Code", "Consolas", monospace;
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;

  --transition-fast:        150ms ease;
  --transition:             250ms ease;
  --transition-slow:        400ms ease;

}

[data-theme="dark"] {
  --color-bg:             rgb(0, 0, 0);
  --color-surface:        rgb(17, 17, 17);
  --color-surface-alt:    rgb(30, 30, 30);
  --color-border:         rgb(51, 51, 51);
  --color-border-strong:  rgb(74, 74, 74);
  --color-text:           rgb(240, 240, 240);
  --color-text-secondary: rgb(153, 153, 153);
  --color-text-muted:     rgb(100, 100, 100);
  --color-text-title:     rgb(76, 194, 255);
  --bubble-in-bg:         rgb(30, 30, 30);
  --bubble-in-text:       rgb(240, 240, 240);
  --color-primary-light:  rgb(55, 55, 55);
}

/* [data-theme="dark"] {
  --color-bg:             #0f172a;
  --color-surface:        #1e293b;
  --color-surface-alt:    #293548;
  --color-border:         #334155;
  --color-border-strong:  #475569;
  --color-text:           #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-text-muted:     #64748b;
  --bubble-in-bg:         #293548;
  --bubble-in-text:       #f1f5f9;
  --color-primary-light:  #1e3a5f;
} */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

@media (min-width: 769px) {
  .mobile-only { display: none !important; }
}

@media (max-width: 768px) {
  .desktop-only { display: none !important; }
}

input, textarea, select { font-family: inherit; }

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

#app { height: 100vh; height: 100dvh; display: flex; flex-direction: column; }

body {
  height: 100%;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button { cursor: pointer; font-family: inherit; }

html {
  height: 100%;
  font-size: 18px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

img { display: block; max-width: 100%; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .375rem;
  padding: .5rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.25;
  transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.btn:disabled      { opacity: .5; cursor: not-allowed; }
.btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

.btn--danger { 
  background: var(--color-danger); 
  color: #fff; 
  border-color: 
  var(--color-danger); 
}
.btn--danger:not(:disabled):hover { background: #dc2626; }

.btn--ghost { 
  background: transparent; 
  color: var(--color-text-secondary); 
  border-color: transparent; 
}
.btn--ghost:not(:disabled):hover { background: var(--color-surface-alt); color: var(--color-text); }

.btn--primary { 
  background: var(--color-primary); 
  color: var(--color-primary-text); 
  border-color: var(--color-primary); 
}
.btn--primary:not(:disabled):hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }

.btn--secondary { 
  background: var(--color-surface); 
  color: var(--color-text); 
  border-color: var(--color-border); 
}
.btn--secondary:not(:disabled):hover { background: var(--color-surface-alt); }

.btn--icon   { padding: .5rem; border-radius: var(--radius); width: 36px; height: 36px; }
.btn--sm     { padding: .375rem .75rem; font-size: var(--text-xs); }
.btn--lg     { padding: .75rem 1.5rem; font-size: var(--text-base); }
.btn--full   { width: 100%; }

.btn__spinner {
 width: 14px; 
 height: 14px;
}

.checkbox-label {
  display: flex; align-items: center; gap: .5rem;
  font-size: var(--text-sm); cursor: pointer;
}
.checkbox-label input[type="checkbox"] { width: 15px; height: 15px; accent-color: var(--color-primary); }

.form-group { display: flex; flex-direction: column; gap: .375rem; }
.form-group--row { flex-direction: row; align-items: center; justify-content: space-between; }
.form-label { font-size: var(--text-sm); font-weight: 500; color: var(--color-text); }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: .625rem .875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}
.form-input.is-error  { border-color: var(--color-danger); }
.form-textarea { resize: vertical; min-height: 80px; }
.form-error {
  font-size: var(--text-xs);
  color: var(--color-danger);
  min-height: 1.2em;
}
.form-error--banner {
  padding: .5rem .75rem;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--radius);
  display: none;
}
.form-error--banner:not(:empty) { display: block; }

.hidden { display: none !important; } 

.input-group { position: relative; display: flex; }
.input-group .form-input { padding-right: 2.5rem; }
.input-group__toggle {
  position: absolute;
  right: .5rem; top: 50%; transform: translateY(-50%);
  background: none; border: none;
  color: var(--color-text-muted);
  padding: .25rem;
  line-height: 0;
}
.input-group__toggle:hover { color: var(--color-text); }

.app-header {
  display: flex;
  align-items: center;
  gap: .75rem;
  height: var(--header-height);
  padding: 0 1rem;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
  z-index: 100;
}
.app-header__left  { display: flex; align-items: center; gap: .5rem; flex: 0 0 auto; }
.app-header__center { flex: 1; max-width: 400px; }
.app-header__right  { display: flex; align-items: center; gap: .25rem; margin-left: auto; }
.app-header__logo   { border-radius: var(--radius); }
.app-header__title  { font-size: var(--text-lg); font-weight: 700; color: var(--color-text); }
.app-header__chat-title,
.app-header__selected 
 { 
  cursor: pointer;
  font-size: var(--text-base); 
  font-weight: 600; 
  color: var(--color-text);  
  user-select: none;
  -webkit-user-select: none;
}

.view--app { flex-direction: column; }
.app-body {
  display: flex;
  flex: 1;
  overflow: hidden;
  position: relative;
}

.app-sidebar {
  display: flex;
  flex-direction: column;
  width: var(--sidebar-width);
  min-width: var(--sidebar-min);
  max-width: var(--sidebar-max);
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  overflow: hidden;
  flex-shrink: 0;
  transition: transform var(--transition);
  position: relative;
}

.avatar {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  flex-shrink: 0;
  overflow: visible;
}
.avatar--xs  { width: 28px; height: 28px; font-size: var(--text-xs); }
.avatar--sm  { width: 32px; height: 32px; font-size: var(--text-xs); }
.avatar--md  { width: 40px; height: 40px; font-size: var(--text-sm); }
.avatar--lg  { width: 56px; height: 56px; font-size: var(--text-xl); }
.avatar--lg .status-dot  { width: 14px; height: 14px; }
.avatar--xl  { width: 80px; height: 80px; font-size: var(--text-2xl); }
.avatar--xl .status-dot  { width: 18px; height: 18px; }
.avatar__img { border-radius: var(--radius-full); width: 100%; height: 100%; object-fit: cover; background-color: var(--color-surface); }
.avatar__initials { line-height: 1; }

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem 1rem;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}
.chat-header__info    { display: flex; align-items: center; gap: .75rem; }
.chat-header__text    { display: flex; flex-direction: column; }
.chat-header__name    { font-size: var(--text-base); font-weight: 600; }
.chat-header__status  { font-size: var(--text-xs); }
.chat-header__actions { display: flex; gap: .25rem; }

.chat-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-bg);
  min-width: 0;
}

.chat-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-bg);
  min-width: 0;
}

.chat-placeholder {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 2rem;
  text-align: center;
  color: var(--color-text-secondary);
}
.chat-placeholder__icon { opacity: .3; }
.chat-placeholder h2    { font-size: var(--text-xl); color: var(--color-text); }
.chat-placeholder p     { font-size: var(--text-sm); color: var(--color-text-secondary); }

.chat-active { display: flex; flex-direction: column; flex: 1; overflow: hidden; }

.context-menu {
  position: fixed;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 700;
  min-width: 160px;
  overflow: hidden;
  animation: menuIn var(--transition-fast) ease;
}
@keyframes menuIn { from { opacity: 0; transform: scale(.95); } to { opacity: 1; transform: scale(1); } }

.context-menu__item {
  display: flex;
  align-items: center;
  gap: .625rem;
}
.context-menu__item > span:first-child {
  display: inline-flex;
  justify-content: center;
  width: 1.25rem;
  flex-shrink: 0;
}
.context-menu__item {
  padding: .625rem 1rem;
  font-size: var(--text-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  color: var(--color-text);
}
.context-menu__item:hover { background: var(--color-surface-alt); }
.context-menu__item--danger { color: var(--color-danger); }
.context-menu__item--danger:hover { background: var(--color-surface-alt); }
.context-menu__divider { height: 1px; background: var(--color-border); margin: .25rem 0; }

.conversations-list {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
}
.conversations-list::-webkit-scrollbar { width: 4px; }
.conversations-list::-webkit-scrollbar-track { background: transparent; }
.conversations-list::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: var(--radius-full); }

.conv-scroll-top {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-text-muted);
  color: #fff;
  border: none;
  box-shadow: var(--shadow-md);
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 95%;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-fast), visibility var(--transition-fast), background var(--transition-fast);
}
.conv-scroll-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
/* .conv-scroll-top:hover { background: var(--color-primary-hover); } */

.conversations-list__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 8em 1.5em;
  text-align: center;
  color: var(--color-text-muted);
}
.conversations-list__empty svg { opacity: .4; }
.conversations-list__empty p   { font-size: var(--text-sm); }

.conv-item {
  display: flex;
  align-items: center;
  gap: .875rem;
  padding: .875rem 1rem;
  cursor: pointer;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-fast);
  position: relative;
  -webkit-tap-highlight-color: transparent;
}
.conv-item:hover    { background: var(--color-surface-alt); }

@media (min-width: 769px) {
  .conv-item.is-active { background: var(--color-primary-light); }
  [data-theme="dark"] .conv-item.is-active { background: var(--color-primary-light); }
}

.conv-item__avatar       { flex-shrink: 0; }
.conv-item__body         { flex: 1; min-width: 0; }
.conv-item__header       { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: .2rem; }
.conv-item__name         { font-size: var(--text-sm); font-weight: 600; color: var(--color-text-title); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.conv-item__time         { font-size: var(--text-xs); color: var(--color-text-muted); white-space: nowrap; margin-left: .5rem; }
.conv-item__preview      { display: flex; align-items: flex-start; gap: .30rem; flex-wrap: wrap; }
.conv-item__preview-text { font-size: var(--text-sm); color: var(--color-text-secondary); flex: 1; }
.conv-item__meta         { display: flex; justify-content: space-between; margin-top: .15rem; }
.conv-item__timestr      { font-size: var(--text-xs); color: var(--color-text-muted); }
.conv-item__timepast     { font-size: var(--text-xs); color: var(--color-text-muted); }

.conv-item.is-unread .conv-item__preview-text { color: var(--color-text); }
.conv-item.is-unread .conv-item__name { color: var(--color-text-title); font-weight: 600; }

.conv-item__badge {
  min-width: 18px; height: 18px;
  padding: 0 5px;
  border-radius: var(--radius-full);
  background: #f64d16;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-left: auto;
}

.conv-select-toolbar {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .4rem .75rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-alt);
  flex-shrink: 0;
}
.conv-select-count { font-size: var(--text-xs); color: var(--color-text); flex: 1; text-align: center; }

.conv-item__trash {
  position: absolute;
  top: .60rem;
  right: .60rem;
  align-items: center;
  display: flex;
  justify-content: center;
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: 4px;
  opacity: 1;
  transition: color var(--transition-fast);
}
.conv-item__trash:hover { color: var(--color-danger, #e53e3e); }
.conversations-list--selecting .conv-item__trash { display: none; }

.conversations-selected-actions {
  display: none;
  flex-direction: row;
  align-items: center;
  gap: .5rem;
  padding: .75rem .75rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  flex-shrink: 0;
}
.conversations-list--selecting ~ .conversations-selected-actions {
  display: flex;
}
.conversations-selected-actions .btn { flex: 1; justify-content: center; padding-block: .875rem; }

.conv-item__check {
  display: none;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  margin-right: .5rem;
  align-items: center;
  justify-content: center;
  transition: border-color .15s, background .15s;
}
.conversations-list--selecting .conv-item__check { display: flex; }
.conv-item__check svg { display: none; }
.conv-item.is-selected .conv-item__check {
  background: var(--color-primary);
  border-color: var(--color-primary);
}
.conv-item.is-selected .conv-item__check svg { display: block; }
.conv-item.is-selected { background: var(--color-primary-light); }
[data-theme="dark"] .conv-item.is-selected { background: var(--color-primary-light); }
.btn.is-active { background: var(--color-primary-light); color: var(--color-primary); }

.install-browsers {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.install-browsers li {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  background: var(--color-surface-alt);
  border-radius: var(--radius);
  padding: .75rem 1rem;
}
.install-browsers li svg { flex-shrink: 0; color: var(--color-text-muted); }

.install-gate-card {
  width: 100%;
  max-width: 400px;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}
.install-gate-card.hidden { display: none; }
.install-gate-card__body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 2rem;
}
.install-gate-card__body p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
}
.install-gate-card__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2.5rem 2rem 1.5rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, #1d4ed8 100%);
  color: #fff;
  gap: .75rem;
}
.install-gate-card__logo     { filter: drop-shadow(0 4px 12px rgba(0,0,0,.3)); }
.install-gate-card__note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
  margin: 0;
}
.install-gate-card__title    { font-size: var(--text-2xl); font-weight: 700; letter-spacing: -.02em; }
.install-gate-card__subtitle { font-size: var(--text-sm); opacity: .85; }
.install-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: .625rem;
}
.install-steps li {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  background: var(--color-surface-alt);
  border-radius: var(--radius);
  padding: .75rem 1rem;
}
.install-steps__num {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.install-steps__icon {
  display: inline-flex;
  vertical-align: middle;
  margin: 0 2px;
  color: var(--color-primary);
}

.link { 
  color: var(--color-primary); 
  font-size: var(--text-sm); 
}
.link:hover { 
  text-decoration: underline; 
}

.loading-state {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--color-surface) 75%, transparent);
  z-index: 10;
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.login-card__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2.5rem 2rem 1.5rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, #1d4ed8 100%);
  color: #fff;
  gap: .75rem;
}
.login-card__logo { filter: drop-shadow(0 4px 12px rgba(0,0,0,.3)); }
.login-card__title { font-size: var(--text-2xl); font-weight: 700; letter-spacing: -.02em; }
.login-card__subtitle { font-size: var(--text-sm); opacity: .85; }

.login-card__form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 2rem;
}

.login-card__footer {
  padding: 1rem 2rem 1.5rem;
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.login-panel {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 2rem;
}

.login-panel[hidden] { display: none; }

.login-panel__actions {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.login-panel__footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
}

.login-method-list {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modalIn var(--transition) ease;
}
.modal__body { padding: 1.25rem; overflow-y: auto; flex: 1; }
.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.125rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}
.modal__header h3 { font-size: var(--text-base); font-weight: 600; }
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  backdrop-filter: blur(2px);
  z-index: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal-view { position: fixed; inset: 0; z-index: 500; }
.modal-view.is-active { display: flex !important; }

.modal-view__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.5);
  backdrop-filter: blur(2px);
}
.modal-view__panel {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  margin: auto 0;
  width: 100%;
  max-height: 95vh;
  box-shadow: var(--shadow-xl);
  animation: slideUp var(--transition) ease;
  overflow: hidden;
}
@keyframes slideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }

@media (min-width: 769px) {
  .modal-view__panel {
    margin: auto;
    border-radius: var(--radius-xl);
    max-width: 540px;
    max-height: 95vh;
    width: 100%;
    animation: modalIn var(--transition) ease;
  }
  .modal-view__panel--wide { max-width: 840px; }
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(.96); }
  to   { opacity: 1; transform: scale(1); }
}

.modal-view__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.125rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}
.modal-view__header-actions { display: flex; align-items: center; gap: .5rem; }
.modal-view__title { font-size: var(--text-lg); font-weight: 600; }
.modal-view__body  { flex: 1; overflow-y: auto; padding: 1.25rem; }

.resize-handle {
  width: 4px;
  cursor: col-resize;
  background: var(--color-border);
  transition: background var(--transition-fast);
  flex-shrink: 0;
  position: relative;
}
.resize-handle::after {
  content: '';
  position: absolute;
  inset: 0 -4px;
  z-index: 10;
}
.resize-handle:hover,
.resize-handle.is-resizing { background: var(--color-primary); }

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}
.search-box svg {
  position: absolute;
  left: .75rem;
  color: var(--color-text-muted);
  pointer-events: none;
  flex-shrink: 0;
}
.search-box input {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  -webkit-appearance: none;
  appearance: none;
  padding: .5rem .75rem .5rem 2.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  background: var(--color-surface-alt);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
.search-box input:focus {
  background: var(--color-surface);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .875rem 1rem;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}
.sidebar-header__title,
.sidebar-header__selected { 
  font-size: var(--text-base); 
  font-weight: 600; 
  cursor: pointer; 
};
.sidebar-search { padding: .5rem .75rem; border-bottom: 1px solid var(--color-border); flex-shrink: 0; }
.spinner {

  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.sr-only { 
  position: absolute; 
  width: 1px; 
  height: 1px; 
  padding: 0; 
  margin: -1px; 
  overflow: hidden; 
  clip: rect(0,0,0,0); 
  white-space: nowrap; 
  border: 0; 
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  font-size: var(--text-xs);
  font-weight: 500;
}
.status-badge::before {
  content: '';
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: var(--radius-full);
  background: var(--status-unknown);
  flex-shrink: 0;
}
.status-badge--available { color: var(--status-available); }
.status-badge--available::before { background: var(--status-available); }
.status-badge--busy      { color: var(--status-busy);      }
.status-badge--busy::before      { background: var(--status-busy);      }
.status-badge--lunch     { color: var(--status-lunch);     }
.status-badge--lunch::before     { background: var(--status-lunch);     }
.status-badge--off-duty  { color: var(--status-off-duty);  }
.status-badge--off-duty::before  { background: var(--status-off-duty);  }
.status-badge--vacation  { color: var(--status-vacation);  }
.status-badge--vacation::before  { background: var(--status-vacation);  }

.status-dot {
  position: absolute;
  bottom: -1px; right: -1px;
  width: 11px; height: 11px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-surface);
  background: var(--status-unknown);
}
.status-dot--available   { background: var(--status-available); }
.status-dot--busy        { background: var(--status-busy); }
.status-dot--lunch       { background: var(--status-lunch); }
.status-dot--off-duty    { background: var(--status-off-duty); }
.status-dot--vacation    { background: var(--status-vacation); }

.text-muted { 
  color: var(--color-text-muted); 
  font-size: var(--text-sm); 
}

.toast-container {
  position: fixed;
  bottom: 1.5rem; right: 1.5rem;
  display: flex;
  flex-direction: column-reverse;
  gap: .5rem;
  z-index: 900;
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .75rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-sm);
  min-width: 240px;
  max-width: 380px;
  pointer-events: auto;
  animation: toastIn var(--transition) ease;
}
@keyframes toastIn {
  from { opacity: 0; transform: translateX(100%); }
  to   { opacity: 1; transform: translateX(0); }
}
.toast.is-leaving {
  animation: toastOut var(--transition) ease forwards;
}
@keyframes toastOut {
  to { opacity: 0; transform: translateX(100%); }
}
.toast--success { border-left: 3px solid var(--color-success); }
.toast--warning { border-left: 3px solid var(--color-warning); }
.toast--error   { border-left: 3px solid var(--color-danger); }
.toast--info    { border-left: 3px solid var(--color-info); }
.toast__icon { flex-shrink: 0; line-height: 0; }
.toast__text { flex: 1; }
.toast__title   { font-weight: 600; margin-bottom: .125rem; }
.toast__message { color: var(--color-text-secondary); }
.toast__close { background: none; border: none; color: var(--color-text-muted); cursor: pointer; padding: .25rem; margin-left: auto; }

@media (max-width: 768px) {
  :root {
    --header-height: 52px;
  }
  .app-body { position: relative; }
  .resize-handle { display: none; }
  .app-sidebar { border-right: none; }
  .app-sidebar {
    position: absolute;
    inset: 0;
    width: 100% !important;
    max-width: 100% !important;
    z-index: 10;
    transition: transform var(--transition);
    background: var(--color-bg);
  }
  .app-sidebar.slide-out { transform: translateX(-100%); }
  .chat-panel { position: absolute; inset: 0; z-index: 5; }
  .mobile-chat-active .app-sidebar  { transform: translateX(-100%); }
  .mobile-chat-active .chat-panel   { z-index: 15; }
  .msg-row { max-width: 85%; }
  .contacts-grid { grid-template-columns: 1fr; padding: .75rem; }
  .modal-view__panel { max-height: 92vh; }
  .toast-container { bottom: 1rem; right: .75rem; left: .75rem; }
  .toast { max-width: 100%; }
  .sidebar-search { padding: .5rem 1rem; }
}

.view { display: none; flex: 1; overflow: hidden; }
.view.is-active { display: flex; flex-direction: column; }

.view--install {
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1e3a5f 0%, #1e293b 50%, #0f172a 100%);
  padding: 1.5rem;
  min-height: 100vh;
  min-height: 100dvh;  
}

.view--login {
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1e3a5f 0%, #1e293b 50%, #0f172a 100%);
  padding: 1.5rem;
  min-height: 100vh;
  min-height: 100dvh;
}

/* --- Profile View --- */
.profile-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 1.5rem;
}
.profile-avatar-wrap { position: relative; }
.profile-avatar-edit {
  position: absolute;
  bottom: 0; right: 0;
  background: var(--color-primary);
  color: #fff;
  border: 2px solid var(--color-surface);
  border-radius: var(--radius-full);
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
}
.profile-name  { font-size: var(--text-2xl); font-weight: 700; }
.profile-dept  { font-size: var(--text-sm);  color: var(--color-text-secondary); }

.profile-status-grid {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  margin: 1rem 0;
}
.status-btn {
  display: flex;
  align-items: center;
  gap: .375rem;
  padding: .375rem .75rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  background: transparent;
  font-size: var(--text-xs);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  --_color: var(--status-unknown);
}
.status-btn::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: var(--radius-full);
  background: var(--_color);
  flex-shrink: 0;
}
.status-btn[data-status="available"] { --_color: var(--status-available); color: var(--status-available); }
.status-btn[data-status="busy"]      { --_color: var(--status-busy);      color: var(--status-busy); }
.status-btn[data-status="lunch"]     { --_color: var(--status-lunch);     color: #854d0e; }
.status-btn[data-status="off-duty"]  { --_color: var(--status-off-duty);  color: var(--status-off-duty); }
.status-btn[data-status="vacation"]  { --_color: var(--status-vacation);  color: var(--status-vacation); }
.status-btn.is-active                { background: var(--_color); border-color: var(--_color); color: #fff; }
.status-btn.is-active::before        { background: #fff; }

.profile-form { display: flex; flex-direction: column; gap: 1.25rem; }
.profile-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 480px) { .profile-form-row { grid-template-columns: 1fr; } }

.profile-actions {
  display: flex;
  gap: .75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  margin-top: 1rem;
  flex-wrap: wrap;
}
.profile-actions .btn--danger { margin-left: auto; }

/* --- Scrollbar (non-webkit) --- */
* { scrollbar-width: thin; scrollbar-color: var(--color-border) transparent; }

/* --- Reduce Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}