/* ==========================================================================
   AI LOCAL EXPERTAROM - stiluri comune + interfata de chat
   Fara framework, ca sa poata fi modificat usor si ulterior.
   ========================================================================== */

:root {
  /* culori de brand */
  --brand:        #15803d;
  --brand-dark:   #126734;
  --brand-light:  #dcfce7;
  --brand-ink:    #052e16;

  --bg:           #ffffff;
  --bg-sub:       #f7f8f9;
  --bg-sidebar:   #f4f5f6;
  --bg-hover:     #ececed;
  --bg-input:     #ffffff;

  --text:         #1f2328;
  --text-soft:    #5c6570;
  --text-faint:   #8b949e;
  --border:       #e2e5e9;
  --border-strong:#d0d5db;

  --danger:       #b91c1c;
  --danger-bg:    #fef2f2;
  --danger-border:#fecaca;
  --warn:         #92400e;
  --warn-bg:      #fffbeb;
  --warn-border:  #fde68a;
  --ok:           #166534;
  --ok-bg:        #f0fdf4;
  --info:         #1e40af;
  --info-bg:      #eff6ff;

  --radius:       10px;
  --radius-sm:    7px;
  --shadow:       0 1px 3px rgba(16,24,40,.08), 0 8px 24px rgba(16,24,40,.06);
  --shadow-lg:    0 8px 32px rgba(16,24,40,.16);

  --sidebar-w:    272px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

[data-theme="dark"] {
  --bg:           #1a1c1e;
  --bg-sub:       #212427;
  --bg-sidebar:   #16181a;
  --bg-hover:     #2a2e32;
  --bg-input:     #232629;
  --text:         #e6e8ea;
  --text-soft:    #a8b0b8;
  --text-faint:   #77808a;
  --border:       #2e3236;
  --border-strong:#3c4146;
  --brand-light:  #14311f;
  --danger-bg:    #2a1616;
  --danger-border:#57201f;
  --warn-bg:      #2a2211;
  --warn-border:  #574522;
  --ok-bg:        #13291a;
  --info-bg:      #16233d;
  --shadow:       0 1px 3px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.3);
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0; height: 100%;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand); }

/* --------------------------------------------------------------- butoane -- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  font: inherit; font-size: 14px; font-weight: 500;
  padding: 8px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--bg); color: var(--text);
  cursor: pointer; transition: background .12s, border-color .12s, opacity .12s;
  white-space: nowrap; text-decoration: none;
}
.btn:hover:not(:disabled) { background: var(--bg-hover); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary {
  background: var(--brand); border-color: var(--brand); color: #fff;
}
.btn-primary:hover:not(:disabled) { background: var(--brand-dark); border-color: var(--brand-dark); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover:not(:disabled) { filter: brightness(.92); }
.btn-ghost { border-color: transparent; background: transparent; }
.btn-ghost:hover:not(:disabled) { background: var(--bg-hover); }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-icon {
  padding: 7px; width: 34px; height: 34px; border-color: transparent;
  background: transparent; border-radius: var(--radius-sm);
}
.btn-icon:hover:not(:disabled) { background: var(--bg-hover); }
.btn-block { width: 100%; }

/* --------------------------------------------------------------- formulare */
label { display: block; font-size: 13px; font-weight: 500; color: var(--text-soft); margin-bottom: 5px; }
input[type=text], input[type=email], input[type=password], input[type=number],
input[type=date], select, textarea {
  width: 100%; font: inherit; font-size: 14px;
  padding: 9px 11px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--bg-input); color: var(--text);
  transition: border-color .12s, box-shadow .12s;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--brand);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 18%, transparent);
}
textarea { resize: vertical; min-height: 80px; line-height: 1.5; }
.field { margin-bottom: 14px; }
.field-hint { font-size: 12px; color: var(--text-faint); margin-top: 4px; }
.checkbox-row { display: flex; align-items: flex-start; gap: 9px; margin-bottom: 9px; }
.checkbox-row input[type=checkbox] { width: 16px; height: 16px; margin-top: 2px; accent-color: var(--brand); flex: 0 0 auto; }
.checkbox-row label { margin: 0; font-weight: 400; color: var(--text); font-size: 14px; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 640px) { .row-2 { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------- tooltip -- */
/* Tooltip-ul este construit din JS (public/js/tooltip.js) pe baza atributului
   data-tip. Apare la hover si la focus din tastatura. */
#tooltip {
  position: fixed; z-index: 9999; pointer-events: none;
  max-width: 300px; padding: 8px 11px;
  background: #101418; color: #f2f4f6;
  font-size: 12.5px; line-height: 1.45; border-radius: 7px;
  box-shadow: var(--shadow-lg);
  opacity: 0; transform: translateY(3px);
  transition: opacity .13s ease, transform .13s ease;
}
#tooltip.visible { opacity: 1; transform: translateY(0); }
#tooltip b { color: #fff; display: block; margin-bottom: 2px; }

/* ------------------------------------------------------------------ badge -- */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11.5px; font-weight: 600; letter-spacing: .01em;
  padding: 2px 8px; border-radius: 20px;
  background: var(--bg-hover); color: var(--text-soft);
  border: 1px solid var(--border);
}
.badge-ok      { background: var(--ok-bg);     color: var(--ok);     border-color: transparent; }
.badge-warn    { background: var(--warn-bg);   color: var(--warn);   border-color: transparent; }
.badge-danger  { background: var(--danger-bg); color: var(--danger); border-color: transparent; }
.badge-info    { background: var(--info-bg);   color: var(--info);   border-color: transparent; }
.badge-brand   { background: var(--brand-light); color: var(--brand-ink); border-color: transparent; }

/* ------------------------------------------------------------------ alerte */
.alert {
  border-radius: var(--radius); padding: 12px 14px; font-size: 14px;
  border: 1px solid var(--border); background: var(--bg-sub);
  margin-bottom: 14px;
}
.alert-title { font-weight: 600; margin-bottom: 4px; display: flex; align-items: center; gap: 7px; }
.alert-danger { background: var(--danger-bg); border-color: var(--danger-border); color: var(--danger); }
.alert-warn   { background: var(--warn-bg);   border-color: var(--warn-border);   color: var(--warn); }
.alert-ok     { background: var(--ok-bg);     border-color: transparent;          color: var(--ok); }
.alert-info   { background: var(--info-bg);   border-color: transparent;          color: var(--info); }
.alert ul { margin: 6px 0 0; padding-left: 20px; }
.alert li { margin-bottom: 3px; }

/* ------------------------------------------------------------------ toast -- */
#toasts {
  position: fixed; bottom: 20px; right: 20px; z-index: 9998;
  display: flex; flex-direction: column; gap: 9px; max-width: 380px;
}
.toast {
  background: var(--bg); border: 1px solid var(--border); border-left: 3px solid var(--brand);
  border-radius: var(--radius); padding: 11px 14px; box-shadow: var(--shadow);
  font-size: 14px; animation: toastIn .2s ease;
}
.toast-error { border-left-color: var(--danger); }
.toast-warn  { border-left-color: #d97706; }
@keyframes toastIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: none; } }

/* ============================================================== APP SHELL = */
.app { display: flex; height: 100vh; overflow: hidden; }
/* dvh tine cont de bara de adresa care apare si dispare pe telefon */
@supports (height: 100dvh) { .app { height: 100dvh; } }

/* ----------------------------------------------------------------- sidebar */
.sidebar {
  width: var(--sidebar-w); flex: 0 0 var(--sidebar-w);
  background: var(--bg-sidebar); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; transition: margin-left .2s ease;
}
.sidebar.collapsed { margin-left: calc(-1 * var(--sidebar-w)); }

.sidebar-head {
  padding: 12px; border-bottom: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 10px;
}
.brand { display: flex; align-items: center; gap: 9px; font-weight: 650; font-size: 15px; }
.brand-mark {
  width: 28px; height: 28px; border-radius: 8px; flex: 0 0 auto;
  background: var(--brand); color: #fff;
  display: grid; place-items: center; font-size: 13px; font-weight: 700;
}
.brand-version { font-size: 11px; color: var(--text-faint); font-weight: 500; }

.conv-search { position: relative; }
.conv-search input { padding-left: 32px; font-size: 13.5px; }
.conv-search svg { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--text-faint); }

.conv-list { flex: 1; overflow-y: auto; padding: 8px; }
.conv-group-label {
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em;
  color: var(--text-faint); padding: 10px 8px 5px;
}
.conv-item {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 9px; border-radius: var(--radius-sm); cursor: pointer;
  font-size: 13.5px; color: var(--text); margin-bottom: 1px;
  border: 1px solid transparent;
}
.conv-item:hover { background: var(--bg-hover); }
.conv-item.active { background: var(--bg); border-color: var(--border); font-weight: 500; }
.conv-item-title { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conv-item-actions { display: none; gap: 2px; }
.conv-item:hover .conv-item-actions, .conv-item.active .conv-item-actions { display: flex; }
.conv-item-actions button {
  border: none; background: transparent; cursor: pointer; padding: 3px;
  color: var(--text-faint); border-radius: 5px; display: grid; place-items: center;
}
.conv-item-actions button:hover { background: var(--border); color: var(--text); }
.conv-pin { color: var(--brand); flex: 0 0 auto; }

.sidebar-foot { border-top: 1px solid var(--border); padding: 9px; }
.user-chip {
  display: flex; align-items: center; gap: 9px; padding: 8px;
  border-radius: var(--radius-sm); cursor: pointer; width: 100%;
  border: 1px solid transparent; background: transparent; font: inherit; text-align: left;
}
.user-chip:hover { background: var(--bg-hover); }
.avatar {
  width: 30px; height: 30px; border-radius: 50%; flex: 0 0 auto;
  background: var(--brand); color: #fff; display: grid; place-items: center;
  font-size: 12px; font-weight: 600;
}
.user-chip-info { flex: 1; min-width: 0; }
.user-chip-name { font-size: 13.5px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-chip-role { font-size: 11.5px; color: var(--text-faint); }

/* -------------------------------------------------------------------- main */
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; background: var(--bg); }

.topbar {
  height: 52px; flex: 0 0 52px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px; padding: 0 14px;
}
.topbar-title { font-size: 14.5px; font-weight: 550; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.model-select { width: auto; min-width: 190px; max-width: 280px; font-size: 13.5px; padding: 6px 9px; }

/* ------------------------------------------------------------- mesaje chat */
.chat-scroll { flex: 1; overflow-y: auto; scroll-behavior: smooth; }
.chat-inner { max-width: 760px; margin: 0 auto; padding: 24px 20px 40px; }

.msg { display: flex; gap: 14px; margin-bottom: 26px; }
.msg-avatar {
  width: 28px; height: 28px; flex: 0 0 28px; border-radius: 7px;
  display: grid; place-items: center; font-size: 11px; font-weight: 700;
}
.msg-user .msg-avatar { background: var(--border-strong); color: var(--text); }
.msg-assistant .msg-avatar { background: var(--brand); color: #fff; }
.msg-body { flex: 1; min-width: 0; }
.msg-author { font-size: 13px; font-weight: 600; margin-bottom: 4px; display: flex; align-items: center; gap: 8px; }
.msg-time { font-size: 11.5px; color: var(--text-faint); font-weight: 400; }
.msg-content { font-size: 15px; line-height: 1.68; overflow-wrap: break-word; }
.msg-content > *:first-child { margin-top: 0; }
.msg-content > *:last-child { margin-bottom: 0; }
.msg-content p { margin: 0 0 12px; }
.msg-content ul, .msg-content ol { margin: 0 0 12px; padding-left: 24px; }
.msg-content li { margin-bottom: 4px; }
.msg-content h1, .msg-content h2, .msg-content h3 { margin: 20px 0 8px; line-height: 1.3; }
.msg-content h1 { font-size: 20px; } .msg-content h2 { font-size: 17.5px; } .msg-content h3 { font-size: 16px; }
.msg-content code {
  font-family: var(--mono); font-size: 13px;
  background: var(--bg-hover); padding: 2px 5px; border-radius: 5px;
}
.msg-content pre {
  background: var(--bg-sub); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 13px 15px; overflow-x: auto; margin: 0 0 12px;
}
.msg-content pre code { background: none; padding: 0; font-size: 13px; line-height: 1.55; }
.msg-content table { border-collapse: collapse; margin: 0 0 12px; font-size: 14px; display: block; overflow-x: auto; }
.msg-content th, .msg-content td { border: 1px solid var(--border); padding: 6px 10px; text-align: left; }
.msg-content th { background: var(--bg-sub); font-weight: 600; }
.msg-content blockquote {
  margin: 0 0 12px; padding: 2px 0 2px 14px; border-left: 3px solid var(--border-strong);
  color: var(--text-soft);
}
.msg-content a { word-break: break-word; }
.msg-actions { display: flex; gap: 4px; margin-top: 8px; opacity: 0; transition: opacity .12s; }
.msg:hover .msg-actions { opacity: 1; }

.msg-blocked .msg-content {
  background: var(--danger-bg); border: 1px solid var(--danger-border);
  border-radius: var(--radius); padding: 11px 13px;
}
.msg-meta { font-size: 11.5px; color: var(--text-faint); margin-top: 7px; display: flex; gap: 12px; flex-wrap: wrap; }

.sources {
  margin-top: 10px; padding: 10px 12px; background: var(--bg-sub);
  border: 1px solid var(--border); border-radius: var(--radius); font-size: 13px;
}
.sources-title { font-weight: 600; font-size: 12px; color: var(--text-soft); margin-bottom: 5px;
  text-transform: uppercase; letter-spacing: .03em; }
.source-item { display: flex; gap: 7px; margin-bottom: 3px; }
.source-n {
  flex: 0 0 auto; background: var(--brand-light); color: var(--brand-ink);
  border-radius: 4px; padding: 0 5px; font-size: 11.5px; font-weight: 600; height: 18px; line-height: 18px;
}

.typing { display: inline-flex; gap: 4px; padding: 5px 0; }
.typing span {
  width: 7px; height: 7px; border-radius: 50%; background: var(--text-faint);
  animation: blink 1.3s infinite;
}
.typing span:nth-child(2) { animation-delay: .2s; }
.typing span:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 60%, 100% { opacity: .25; } 30% { opacity: 1; } }

/* ------------------------------------------------------------ ecran de start */
.welcome { max-width: 700px; margin: 0 auto; padding: 48px 20px; text-align: center; }
.welcome h1 { font-size: 27px; margin: 0 0 8px; letter-spacing: -.01em; }
.welcome p { color: var(--text-soft); margin: 0 auto 28px; max-width: 520px; }
.suggestions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; text-align: left; }
@media (max-width: 640px) { .suggestions { grid-template-columns: 1fr; } }
.suggestion {
  border: 1px solid var(--border); border-radius: var(--radius); padding: 13px 15px;
  cursor: pointer; background: var(--bg); transition: border-color .12s, background .12s;
  font: inherit; text-align: left; color: var(--text);
}
.suggestion:hover { border-color: var(--brand); background: var(--bg-sub); }
.suggestion-title { font-weight: 550; font-size: 14px; margin-bottom: 3px; }
.suggestion-desc { font-size: 12.5px; color: var(--text-faint); }

.notice-box {
  margin-top: 28px; text-align: left; font-size: 13px;
  background: var(--warn-bg); border: 1px solid var(--warn-border); color: var(--warn);
  border-radius: var(--radius); padding: 12px 15px;
}
.notice-box strong { display: block; margin-bottom: 4px; }

/* ------------------------------------------------------------- compunere -- */
.composer-wrap { border-top: 1px solid var(--border); background: var(--bg); padding: 12px 20px 16px; }
.composer-inner { max-width: 760px; margin: 0 auto; }
.composer {
  border: 1px solid var(--border-strong); border-radius: 14px; background: var(--bg-input);
  padding: 8px 8px 8px 14px; display: flex; align-items: flex-end; gap: 8px;
  transition: border-color .12s, box-shadow .12s;
}
.composer:focus-within { border-color: var(--brand); box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 14%, transparent); }
.composer.has-block { border-color: var(--danger); background: var(--danger-bg); }
.composer textarea {
  flex: 1; border: none; background: none; resize: none; padding: 7px 0;
  max-height: 220px; font-size: 15px; line-height: 1.5; box-shadow: none !important;
}
.composer textarea:focus { outline: none; border: none; }
.composer-send {
  width: 34px; height: 34px; flex: 0 0 34px; border-radius: 9px; border: none;
  background: var(--brand); color: #fff; cursor: pointer; display: grid; place-items: center;
}
.composer-send:disabled { background: var(--border-strong); cursor: not-allowed; }
.composer-tools { display: flex; gap: 3px; }
.composer.drop-active { border-color: var(--brand); background: color-mix(in srgb, var(--brand) 7%, var(--bg-input)); }

.attach-list { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.attach-chip {
  display: flex; align-items: center; gap: 8px;
  border: 1px solid var(--border-strong); border-radius: 999px;
  padding: 4px 6px 4px 12px; font-size: 12.5px; background: var(--bg-soft);
}
.attach-name { font-weight: 600; max-width: 230px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.attach-size { color: var(--text-faint); }
.attach-remove {
  width: 20px; height: 20px; border: none; border-radius: 50%; cursor: pointer;
  background: transparent; color: var(--text-soft); font-size: 15px; line-height: 1;
  display: grid; place-items: center;
}
.attach-remove:hover { background: var(--danger-bg); color: var(--danger); }
.composer-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-top: 7px; font-size: 11.5px; color: var(--text-faint); flex-wrap: wrap;
}
.char-count.over { color: var(--danger); font-weight: 600; }

.dlp-warning {
  margin-bottom: 9px; border-radius: var(--radius); padding: 11px 13px; font-size: 13.5px;
  border: 1px solid var(--danger-border); background: var(--danger-bg); color: var(--danger);
}
.dlp-warning.soft { border-color: var(--warn-border); background: var(--warn-bg); color: var(--warn); }
.dlp-warning-head { font-weight: 650; display: flex; align-items: center; gap: 7px; margin-bottom: 5px; }
.dlp-rule { margin-top: 6px; padding-top: 6px; border-top: 1px solid currentColor; opacity: .95; }
.dlp-rule:first-of-type { margin-top: 0; padding-top: 0; border-top: none; }
.dlp-rule-name { font-weight: 600; }
.dlp-suggestion { font-style: italic; opacity: .9; margin-top: 2px; }

/* ------------------------------------------------------------------ modal -- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(15,20,26,.5); z-index: 500;
  display: grid; place-items: center; padding: 20px; overflow-y: auto;
}
.modal {
  background: var(--bg); border-radius: 14px; box-shadow: var(--shadow-lg);
  width: 100%; max-width: 520px; max-height: 90vh; display: flex; flex-direction: column;
}
.modal.wide { max-width: 860px; }
.modal-head {
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.modal-head h2 { margin: 0; font-size: 16.5px; }
.modal-body { padding: 20px; overflow-y: auto; flex: 1; }
.modal-foot {
  padding: 14px 20px; border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 9px; flex-wrap: wrap;
}

/* -------------------------------------------------------------------- tabs */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 18px; overflow-x: auto; }
.tab {
  padding: 9px 14px; font-size: 13.5px; font-weight: 500; cursor: pointer;
  border: none; background: none; color: var(--text-soft);
  border-bottom: 2px solid transparent; white-space: nowrap; font-family: inherit;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--brand); border-bottom-color: var(--brand); }

/* ------------------------------------------------------------------ tabele */
table.data { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.data th {
  text-align: left; font-weight: 600; font-size: 12px; text-transform: uppercase;
  letter-spacing: .03em; color: var(--text-faint); padding: 9px 10px;
  border-bottom: 1px solid var(--border); white-space: nowrap; background: var(--bg);
  position: sticky; top: 0; z-index: 1;
}
table.data td { padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
table.data tr:hover td { background: var(--bg-sub); }
table.data td.num { text-align: right; font-variant-numeric: tabular-nums; }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }

.empty { text-align: center; padding: 40px 20px; color: var(--text-faint); font-size: 14px; }

/* ------------------------------------------------------------ pagini simple */
.centered-page {
  min-height: 100vh; display: grid; place-items: center; padding: 24px;
  background: var(--bg-sub);
}
.card {
  background: var(--bg); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: var(--shadow); padding: 28px; width: 100%; max-width: 420px;
}
.card.wide { max-width: 640px; }
.card-head { text-align: center; margin-bottom: 22px; }
.card-head .brand-mark { width: 42px; height: 42px; font-size: 17px; margin: 0 auto 12px; border-radius: 11px; }
.card-head h1 { margin: 0 0 5px; font-size: 20px; }
.card-head p { margin: 0; color: var(--text-soft); font-size: 13.5px; }

.pw-strength { display: flex; gap: 4px; margin-top: 7px; }
.pw-strength span { flex: 1; height: 4px; border-radius: 2px; background: var(--border); transition: background .15s; }
.pw-strength.s1 span:nth-child(1) { background: #dc2626; }
.pw-strength.s2 span:nth-child(-n+2) { background: #ea580c; }
.pw-strength.s3 span:nth-child(-n+3) { background: #ca8a04; }
.pw-strength.s4 span { background: var(--brand); }

/* --------------------------------------------------------------- utilitare */
.spinner {
  width: 15px; height: 15px; border: 2px solid currentColor; border-top-color: transparent;
  border-radius: 50%; animation: spin .7s linear infinite; display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }
.mono { font-family: var(--mono); font-size: 13px; }
.text-soft { color: var(--text-soft); }
.text-faint { color: var(--text-faint); }
.text-danger { color: var(--danger); }
.text-sm { font-size: 13px; }
.text-xs { font-size: 12px; }
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; } .mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; }
.flex { display: flex; } .flex-col { flex-direction: column; }
.items-center { align-items: center; } .justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; } .gap-2 { gap: 16px; }
.flex-1 { flex: 1; } .wrap { flex-wrap: wrap; }
.hidden { display: none !important; }
.nowrap { white-space: nowrap; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* --------------------------------------------------------------- responsive */
.sidebar-backdrop { display: none; }
@media (max-width: 860px) {
  .sidebar {
    position: fixed; inset: 0 auto 0 0; z-index: 300; box-shadow: var(--shadow-lg);
  }
  .sidebar.collapsed { margin-left: calc(-1 * var(--sidebar-w) - 10px); box-shadow: none; }
  .sidebar-backdrop {
    display: block; position: fixed; inset: 0; background: rgba(0,0,0,.35); z-index: 299;
  }
  .sidebar-backdrop.hidden { display: none; }
  .chat-inner, .composer-inner { max-width: 100%; }
  .composer-wrap { padding: 10px 12px 12px; }
  .model-select { min-width: 130px; max-width: 160px; }

  .chat-inner { padding: 18px 14px 30px; }
  .welcome { padding: 28px 16px; }
  .welcome h1 { font-size: 23px; }
  .notice-box { margin-top: 20px; }
  .msg { gap: 10px; margin-bottom: 20px; }
  /* pe ecran ingust actiunile nu pot aparea la hover: se vad mereu */
  .msg-actions { opacity: 1; }
  .conv-item-actions { display: flex; }
}

/* ---------------------------------------------------------------- telefon */
@media (max-width: 560px) {
  .topbar { gap: 4px; padding: 0 8px; }
  .topbar-title { font-size: 13.5px; }
  .model-select { min-width: 0; max-width: 132px; font-size: 12.5px; padding: 6px 6px; }

  /* sub 16px, iOS mareste automat pagina cand intri in caseta de scriere */
  .composer textarea, input[type=text], input[type=email], input[type=password],
  input[type=number], input[type=date], input[type=search], select, textarea { font-size: 16px; }

  /* tinta de atins cu degetul: minim 40px */
  .btn-icon { width: 40px; height: 40px; padding: 9px; }
  .composer-send { width: 40px; height: 40px; flex: 0 0 40px; }
  .composer { padding: 6px 6px 6px 10px; }

  .composer-foot { font-size: 11px; gap: 6px; }
  .badge { font-size: 11px; }
  .attach-name { max-width: 150px; }

  .modal { width: 100%; max-height: 92vh; border-radius: var(--radius) var(--radius) 0 0; }
  .modal-foot { padding: 12px 14px; }
  .modal-body { padding: 14px; }
  .modal-head { padding: 13px 14px; }

  .msg-content { font-size: 14.5px; }
  .msg-content pre { padding: 10px 11px; }
  .welcome p { margin-bottom: 20px; }
}

/* pe ecrane cu marginile rotunjite (iPhone), lasam loc sub caseta de scriere */
@supports (padding: max(0px)) {
  @media (max-width: 860px) {
    .composer-wrap { padding-bottom: max(12px, env(safe-area-inset-bottom)); }
  }
}

/* scrollbar discret */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 5px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); }