:root {
  --bg: #0f1115;
  --bg-elevated: #161922;
  --bg-elevated-2: #1d212c;
  --border: #262b38;
  --text: #e8eaf0;
  --text-dim: #9aa1b2;
  --text-faint: #5f6579;
  --accent: #6d8dff;
  --accent-dim: #3a4a8f;
  --user-bubble: #262b38;
  --assistant-bubble: #171a23;
  --danger: #e5677a;
  --success: #6bcf9e;
  --tier-usor: #6bcf9e;
  --tier-mediu: #e8c56b;
  --tier-complex: #e5677a;
  --radius: 14px;
  --radius-sm: 8px;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Login ---------- */

.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background: radial-gradient(circle at 30% 20%, #1a2036 0%, var(--bg) 60%);
}

.login-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  width: 320px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.login-title {
  margin: 0 0 6px;
  font-size: 26px;
  background: linear-gradient(135deg, #8fa8ff, #6d8dff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.login-sub {
  color: var(--text-dim);
  margin: 0 0 24px;
  font-size: 14px;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.login-form input {
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color .15s ease;
}

.login-form input:focus {
  border-color: var(--accent);
}

.login-form button {
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px;
  color: #0b0d12;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: filter .15s ease;
}

.login-form button:hover { filter: brightness(1.1); }

.login-error {
  color: var(--danger);
  font-size: 13px;
  margin: 0 0 14px;
}

/* ---------- App shell ---------- */

.app {
  display: flex;
  height: 100vh;
}

.sidebar {
  width: 270px;
  flex-shrink: 0;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: 14px;
}

.btn-new {
  width: 100%;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  color: var(--text);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
  transition: background .15s ease;
}

.btn-new:hover { background: var(--accent); color: #0b0d12; }

.conversation-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.conversation-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-dim);
  font-size: 13.5px;
  transition: background .12s ease, color .12s ease;
  position: relative;
}

.conversation-item:hover { background: var(--bg-elevated-2); color: var(--text); }
.conversation-item.active { background: var(--bg-elevated-2); color: var(--text); }

.conversation-title {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.conversation-actions {
  display: none;
  gap: 4px;
}

.conversation-item:hover .conversation-actions { display: flex; }

.conversation-actions button {
  background: none;
  border: none;
  color: var(--text-faint);
  cursor: pointer;
  font-size: 13px;
  padding: 2px 4px;
}

.conversation-actions button:hover { color: var(--text); }

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
}

.btn-ghost {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  text-decoration: none;
  text-align: center;
  flex: 1;
  transition: background .12s ease, color .12s ease;
}

.btn-ghost:hover { background: var(--bg-elevated-2); color: var(--text); }

/* ---------- Chat ---------- */

.chat {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.message-list {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.empty-state {
  margin: auto;
  text-align: center;
  color: var(--text-dim);
  max-width: 420px;
}

.empty-state h2 {
  color: var(--text);
  font-size: 22px;
  margin-bottom: 8px;
}

.message-row {
  display: flex;
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
  gap: 10px;
}

.message-row.user { justify-content: flex-end; }
.message-row.assistant { justify-content: flex-start; }

.bubble {
  max-width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius);
  white-space: pre-wrap;
  word-wrap: break-word;
}

.message-row.user .bubble {
  background: var(--user-bubble);
  border-top-right-radius: 4px;
}

.message-row.assistant .bubble {
  background: var(--assistant-bubble);
  border: 1px solid var(--border);
  border-top-left-radius: 4px;
}

.bubble.error {
  border-color: var(--danger);
  color: var(--danger);
}

.message-col {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 100%;
}

.msg-attachments {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 4px;
}

.msg-attachment-chip {
  font-size: 12px;
  color: var(--text-dim);
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 10px;
}

.tier-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  color: var(--text-faint);
  margin-top: 2px;
}

.tier-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.tier-dot.usor { background: var(--tier-usor); }
.tier-dot.mediu { background: var(--tier-mediu); }
.tier-dot.complex { background: var(--tier-complex); }
.tier-dot.copy { background: var(--accent); }

/* ---------- Mod Copywriting ---------- */

.composer-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  /* Aceeași coloană ca .composer-row și .attachment-chips. Fără limita asta se
     întindea pe toată lățimea ecranului, iar margin-left:auto de pe indicatorul
     de context îl arunca tocmai în marginea dreaptă, departe de input. */
  max-width: 720px;
  margin: 0 auto 8px;
  flex-wrap: wrap;
}

.copy-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: var(--text-dim);
  cursor: pointer;
  user-select: none;
}

.copy-toggle input { cursor: pointer; }
body.copy-mode-on .copy-toggle { color: var(--accent); font-weight: 600; }

.copy-limit {
  background: var(--bg-elevated-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 7px;
  font-size: 12px;
}

.copy-limit:disabled { opacity: .45; cursor: not-allowed; }

/* Chenarul unei variante, cu buton de copiere și contor. */
.copy-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 100%;
}

.variant {
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

.variant.is-over { border-color: var(--danger); }

.variant-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.variant-num {
  flex-shrink: 0;
  min-width: 20px;
  height: 20px;
  border-radius: 5px;
  background: var(--bg);
  color: var(--text-faint);
  font-size: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-copy {
  margin-left: auto;
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px 9px;
  font-size: 11.5px;
  cursor: pointer;
  white-space: nowrap;
}

.btn-copy:hover { color: var(--text); border-color: var(--accent-dim); }

.variant-text {
  white-space: pre-wrap;
  word-wrap: break-word;
  line-height: 1.55;
}

.variant-meta {
  display: flex;
  gap: 12px;
  margin-top: 8px;
  padding-top: 6px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-faint);
}

.variant-count.is-over { color: var(--danger); font-weight: 600; }
.variant-warn { color: var(--danger); margin-left: auto; }

.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.btn-quick {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 11px;
  font-size: 11.5px;
  cursor: pointer;
}

.btn-quick:hover { color: var(--text); border-color: var(--accent-dim); }

/* ---------- Buget de context ---------- */

.context-meter {
  margin-left: auto;
  font-size: 11.5px;
  color: var(--text-faint);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.context-meter.is-warn   { color: var(--tier-mediu); }
.context-meter.is-danger { color: var(--danger); font-weight: 600; }

/* Nota de tăiere: până acum uitarea era complet invizibilă. */
.trim-note {
  margin-top: 6px;
  font-size: 11px;
  color: var(--text-faint);
  font-style: italic;
}

.context-warning {
  margin-top: 10px;
  padding: 10px 12px;
  border: 1px solid var(--tier-mediu);
  border-radius: var(--radius-sm);
  background: rgba(232, 197, 107, 0.07);
}

.context-warning.is-danger {
  border-color: var(--danger);
  background: rgba(229, 103, 122, 0.08);
}

.context-warning-text {
  font-size: 12.5px;
  color: var(--text-dim);
  line-height: 1.5;
}

.context-warning-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.btn-handoff {
  background: var(--bg-elevated-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 12px;
  font-size: 11.5px;
  cursor: pointer;
}

.btn-handoff:hover:not(:disabled) { border-color: var(--accent); }
.btn-handoff:disabled { opacity: .55; cursor: progress; }

/* Cardul de context preluat la o predare (rând cu role='system'). */
.message-row.system { justify-content: center; }

.context-card {
  max-width: 100%;
  border: 1px dashed var(--accent-dim);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  padding: 8px 12px;
}

.context-card summary {
  cursor: pointer;
  font-size: 12px;
  color: var(--text-dim);
  user-select: none;
}

.context-card-body {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-dim);
  white-space: pre-wrap;
  word-wrap: break-word;
  max-height: 340px;
  overflow-y: auto;
}

.substitution-note {
  font-size: 11.5px;
  color: var(--tier-mediu);
  margin-top: 2px;
}

.cursor-blink::after {
  content: '▍';
  animation: blink 1s step-start infinite;
  color: var(--text-dim);
}

@keyframes blink { 50% { opacity: 0; } }

/* ---------- Composer ---------- */

.composer {
  border-top: 1px solid var(--border);
  padding: 14px 24px 20px;
}

.attachment-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-width: 720px;
  margin: 0 auto 8px;
}

.attachment-chips:empty { display: none; }

.attachment-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 10px;
  font-size: 12.5px;
  color: var(--text-dim);
}

.attachment-chip button {
  background: none;
  border: none;
  color: var(--text-faint);
  cursor: pointer;
  font-size: 13px;
}

.composer-row {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  max-width: 720px;
  margin: 0 auto;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 8px 8px 12px;
  transition: border-color .15s ease;
}

.composer-row:focus-within { border-color: var(--accent); }

.btn-icon {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 17px;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.btn-icon:hover { background: var(--bg-elevated-2); }

#messageInput {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  resize: none;
  max-height: 200px;
  padding: 8px 0;
}

.btn-send {
  background: var(--accent);
  border: none;
  color: #0b0d12;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 15px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: filter .15s ease;
}

.btn-send:hover { filter: brightness(1.1); }
.btn-send:disabled { opacity: .4; cursor: default; }

/* ---------- Settings modal ---------- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5,6,10,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.modal-overlay.hidden { display: none; }

.modal {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: min(880px, 92vw);
  max-height: 86vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 { margin: 0; font-size: 16px; }

.modal-body {
  padding: 18px 22px;
  overflow-y: auto;
}

.modal-hint {
  color: var(--text-dim);
  font-size: 13px;
  margin: 0 0 12px;
}

.modal-footer {
  padding: 14px 22px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
}

.btn-primary {
  background: var(--accent);
  border: none;
  color: #0b0d12;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
}

.tiers-container {
  display: block;
}

.tier-column {
  min-width: 0;
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
}

.tier-column h3 {
  margin: 0 0 4px;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Căutare în liste de modele */
.model-search {
  width: 100%;
  margin: 6px 0 8px;
  padding: 6px 9px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12px;
}
.model-search::placeholder { color: var(--text-faint); }
.model-search:focus { outline: none; border-color: var(--accent); }
/* Butonul nativ de golire al input[type=search] e alb pe fundal întunecat. */
.model-search::-webkit-search-cancel-button {
  -webkit-appearance: none;
  height: 12px; width: 12px; cursor: pointer;
  background: var(--text-faint);
  mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 12 12"><path d="M1 1l10 10M11 1L1 11" stroke="black" stroke-width="2"/></svg>') center/contain no-repeat;
}

/* Avertisment când modelul salvat pentru un nivel a migrat sau a dispărut din
   catalog. Fără el, bifa dispărea fără nicio explicație. */
.stale-note {
  border: 1px solid var(--tier-mediu);
  background: rgba(232, 197, 107, 0.08);
  border-radius: 6px;
  padding: 7px 9px;
  margin-bottom: 8px;
  font-size: 11px;
  line-height: 1.5;
  color: var(--text-dim);
}
.stale-note b { color: var(--text); font-weight: 600; word-break: break-all; }

.search-count {
  display: block;
  font-size: 11px;
  color: var(--text-faint);
  margin-bottom: 6px;
}

/* Modelul ales, când nu se potrivește căutării curente. Rămâne vizibil ca să nu
   dispară din DOM (și cu el selecția) doar pentru că ai tastat ceva. */
.selected-outside {
  margin-top: 8px;
  padding-top: 6px;
  border-top: 1px dashed var(--border);
  font-size: 10.5px;
  color: var(--text-faint);
}
.model-option.is-selected-outside { opacity: .75; }

/* Blocul de modele recomandate, fixat sus în fiecare coloană. Nu intră în
   paginare: "Încarcă încă" adaugă doar sub el. */
.recommended-block {
  border: 1px solid var(--accent-dim);
  border-radius: 6px;
  padding: 6px;
  margin-bottom: 8px;
  background: rgba(109, 141, 255, 0.06);
}

.recommended-label {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--accent);
  margin-bottom: 4px;
}

.model-option.is-recommended .model-name { font-weight: 600; }

.btn-load-more {
  width: 100%;
  margin-top: 8px;
  padding: 6px;
  background: transparent;
  color: var(--text-dim);
  border: 1px dashed var(--border);
  border-radius: 6px;
  font-size: 11.5px;
  cursor: pointer;
}

.btn-load-more:hover {
  color: var(--text);
  border-color: var(--accent-dim);
}

/* Selectorul de model pentru modul Copywriting, deasupra celor 3 coloane. */
.copy-model-row {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  margin-top: 14px;
  background: var(--bg-elevated-2);
}

.copy-model-row label { font-size: 13px; display: block; }

.copy-model-row select {
  width: 100%;
  margin-top: 8px;
  padding: 7px 8px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12.5px;
}

.copy-model-row .modal-hint { margin: 8px 0 0; }

.tiers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 14px;
}

.model-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 6px;
  border-radius: 6px;
  font-size: 12.5px;
  cursor: pointer;
}

.model-option:hover { background: var(--bg-elevated); }

.model-option .model-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-option .model-cost {
  color: var(--text-faint);
  font-size: 11px;
  flex-shrink: 0;
}

.model-option .vision-icon { flex-shrink: 0; }

@media (max-width: 900px) {
  .tiers-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .sidebar { position: fixed; z-index: 40; height: 100%; transform: translateX(-100%); transition: transform .2s ease; }
  .sidebar.open { transform: translateX(0); }
}

/* ---------- Instalator ---------- */

.install-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  width: 460px;
  max-width: 92vw;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.install-box {
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 16px;
  font-size: 13.5px;
}

.install-box p { margin: 0 0 8px; }
.install-box p:last-child { margin-bottom: 0; }

.install-box-ok { border-color: var(--success); }
.install-box-error { border-color: var(--danger); }

.install-hint { color: var(--text-dim); font-size: 12.5px; }
.install-warning { color: var(--tier-mediu); font-size: 12.5px; }

.install-password {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--success);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.install-link {
  display: block;
  text-align: center;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  margin-top: 8px;
}
.install-link:hover { text-decoration: underline; }

.install-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.install-checklist li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 12.5px;
  padding: 2px 0;
}

.install-checklist .install-check-detail { color: var(--text-faint); }
.install-checklist li.ok span:first-child::before { content: "✓ "; color: var(--success); }
.install-checklist li.warn span:first-child::before { content: "! "; color: var(--tier-mediu); }
.install-checklist li.fail span:first-child::before { content: "✗ "; color: var(--danger); }

.install-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.install-form fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: opacity .15s ease;
}

.install-form legend {
  color: var(--text-dim);
  font-size: 12.5px;
  padding: 0 4px;
}

.install-form label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12.5px;
  color: var(--text-dim);
}

.install-checkbox-row {
  flex-direction: row !important;
  align-items: center;
  gap: 8px !important;
  color: var(--text) !important;
  cursor: pointer;
}

.install-form input[type="text"],
.install-form input[type="password"] {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color .15s ease;
}

.install-form input:focus { border-color: var(--accent); }

.install-form button {
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px;
  color: #0b0d12;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
}
.install-form button:hover { filter: brightness(1.1); }