/* GPTLab — Main stylesheet */

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

html, body {
  height: 100%;
  overflow: hidden;
  font-family: var(--font-ui);
  font-size: var(--font-size-ui);
  background: var(--bg);
  color: var(--fg);
}

button { cursor: pointer; border: none; background: none; color: inherit; font: inherit; }
input, textarea { font: inherit; color: inherit; }
a { color: var(--oai-green); text-decoration: none; }
a:hover { text-decoration: underline; }
.hidden { display: none !important; }

/* SVG baseline — evita espansione in flex */
svg {
  display: block;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.icon {
  width: 16px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--fg-muted);
}
.icon svg { width: 16px; height: 16px; }
.icon--sm { width: 14px; height: 14px; }
.icon--sm svg { width: 14px; height: 14px; }

/* =====================================================
   Educational Banner
   ===================================================== */

.edu-banner {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 9000;
  height: 48px;
  background: linear-gradient(90deg, var(--oai-green-dark) 0%, var(--oai-green-deep) 42%, #0f1f1a 42%, #0f1f1a 100%);
  display: flex;
  align-items: stretch;
  border-bottom: 1px solid rgba(16,163,127,0.3);
  box-shadow: 0 2px 16px rgba(16,163,127,0.15);
}

.edu-banner__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-shrink: 0;
  padding: 0 var(--sp-4);
  width: 42%;
  min-width: 220px;
  background: linear-gradient(135deg, var(--oai-green-dark) 0%, var(--oai-green-deep) 100%);
}

.edu-banner__logo img {
  width: 28px; height: 28px;
  object-fit: contain;
  border-radius: var(--r-sm);
  background: rgba(255,255,255,0.1);
  padding: 3px;
}

.edu-banner__brand {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.02em;
}

.edu-banner__by {
  font-weight: 400;
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.8);
  margin-left: 4px;
}

.edu-banner__info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1px;
  flex: 1;
  min-width: 0;
  padding: 0 var(--sp-5);
  background: #0f1f1a;
}

.edu-banner__label {
  font-size: 12px;
  font-weight: 600;
  color: var(--oai-green);
}

.edu-banner__sub {
  font-size: 11px;
  color: rgba(16,163,127,0.7);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* =====================================================
   App Shell
   ===================================================== */

.app {
  position: fixed;
  top: 48px; bottom: 0; left: 0; right: 0;
  display: flex;
  overflow: hidden;
}

/* =====================================================
   Sidebar
   ===================================================== */

.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
}

.sidebar__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px var(--sp-3);
  flex-shrink: 0;
}

.sidebar__logo {
  width: 28px; height: 28px;
  display: grid;
  place-items: center;
  color: var(--fg);
  flex-shrink: 0;
}
.sidebar__logo svg { width: 24px; height: 24px; }

.sidebar__top-actions {
  display: flex;
  align-items: center;
  gap: 2px;
}

.icon-btn {
  width: 28px; height: 28px;
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  color: var(--fg-muted);
  transition: background var(--trans), color var(--trans);
  flex-shrink: 0;
}
.icon-btn:hover { background: var(--bg-hover); color: var(--fg); }
.icon-btn.sm svg { width: 15px; height: 15px; }
.icon-btn svg { width: 16px; height: 16px; }

/* Nav */
.sidebar__nav {
  padding: 0 var(--sp-2);
  display: flex;
  flex-direction: column;
  gap: 1px;
  flex-shrink: 0;
}

.sidebar__nav-btn {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 7px var(--sp-2);
  border-radius: var(--r-md);
  color: var(--fg-muted);
  font-size: var(--font-size-md);
  transition: background var(--trans), color var(--trans);
  width: 100%;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
}
.sidebar__nav-btn:hover { background: var(--bg-hover); color: var(--fg); }
.sidebar__nav-btn.active { background: var(--bg-active); color: var(--fg); }
.sidebar__nav-btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.sidebar__badge {
  font-size: 9px;
  font-weight: 700;
  padding: 2px 5px;
  background: var(--oai-green);
  color: #fff;
  border-radius: var(--r-full);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-left: 2px;
}

/* Sections (pinned, projects) */
.sidebar__sections {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-2);
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.sidebar__section { margin-bottom: var(--sp-4); }

.sidebar__section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px var(--sp-1) 4px var(--sp-2);
  margin-bottom: 2px;
}

.sidebar__section-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--fg-subtle);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar__section-actions {
  display: flex;
  align-items: center;
  gap: 2px;
}

.sidebar__item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 5px var(--sp-2);
  border-radius: var(--r-sm);
  color: var(--fg-muted);
  font-size: var(--font-size-md);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: background var(--trans), color var(--trans);
}
.sidebar__item:hover { background: var(--bg-hover); color: var(--fg); }
.sidebar__item.active { background: var(--bg-active); color: var(--fg); }
.sidebar__item svg { width: 14px; height: 14px; flex-shrink: 0; }
.sidebar__item-title { flex: 1; overflow: hidden; text-overflow: ellipsis; }

.sidebar__sub-item {
  padding: 4px var(--sp-2) 4px calc(var(--sp-2) + 22px);
  font-size: var(--font-size-sm);
  color: var(--fg-muted);
  border-radius: var(--r-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  transition: background var(--trans), color var(--trans);
}
.sidebar__sub-item:hover { background: var(--bg-hover); color: var(--fg); }

.sidebar__more {
  padding: 3px var(--sp-2) 3px calc(var(--sp-2) + 22px);
  font-size: var(--font-size-sm);
  color: var(--oai-green);
  cursor: pointer;
}
.sidebar__more:hover { text-decoration: underline; }

/* Footer */
.sidebar__footer {
  flex-shrink: 0;
  padding: var(--sp-2);
  border-top: 1px solid var(--border-light);
}

.sidebar__user-btn {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 8px var(--sp-2);
  border-radius: var(--r-md);
  width: 100%;
  text-align: left;
  transition: background var(--trans);
  cursor: pointer;
}
.sidebar__user-btn:hover { background: var(--bg-hover); }
.sidebar__user-btn > svg,
.sidebar__user-btn .icon { width: 16px; height: 16px; flex-shrink: 0; color: var(--fg-muted); }

.sidebar__avatar {
  width: 32px; height: 32px;
  border-radius: var(--r-full);
  background: linear-gradient(135deg, var(--oai-green), var(--oai-green-dark));
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.sidebar__user-info { flex: 1; min-width: 0; }
.sidebar__username {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--fg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar__plan {
  font-size: var(--font-size-xs);
  color: var(--fg-muted);
}

.sidebar__team-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  width: 100%;
  padding: 7px var(--sp-2);
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  font-size: var(--font-size-sm);
  color: var(--fg-muted);
  margin-top: 4px;
  transition: background var(--trans), color var(--trans);
}
.sidebar__team-btn:hover { background: var(--bg-hover); color: var(--fg); }
.sidebar__team-btn svg { width: 14px; height: 14px; }

/* Account Menu */
.account-menu {
  position: fixed;
  bottom: calc(48px + 80px);
  left: var(--sp-2);
  width: 260px;
  background: var(--bg-elevated);
  border: 1px solid var(--modal-border);
  border-radius: var(--r-lg);
  padding: var(--sp-2);
  z-index: 8000;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}

.account-menu__header {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 6px var(--sp-2) 10px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: var(--sp-2);
}

.account-menu__workspace {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--fg-heading);
}

.account-menu__plan {
  font-size: var(--font-size-xs);
  color: var(--fg-muted);
}

.account-menu__item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 8px var(--sp-2);
  border-radius: var(--r-sm);
  font-size: var(--font-size-md);
  color: var(--fg-muted);
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: background var(--trans), color var(--trans);
}
.account-menu__item:hover { background: var(--bg-hover); color: var(--fg); }
.account-menu__item svg { width: 16px; height: 16px; flex-shrink: 0; }
.account-menu__item.danger { color: var(--accent-red); }
.account-menu__item.danger:hover { background: rgba(239,68,68,0.1); }
.account-menu__sep { height: 1px; background: var(--border-light); margin: var(--sp-1) 0; }

/* =====================================================
   Main area
   ===================================================== */

.main {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}

/* =====================================================
   Chat View
   ===================================================== */

.chat-greeting {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--sp-8) var(--sp-4);
  gap: var(--sp-8);
}

.chat-greeting__title {
  font-size: 28px;
  font-weight: 500;
  color: var(--fg-heading);
  text-align: center;
  letter-spacing: -0.01em;
}

.chat-greeting__composer-wrap {
  width: 100%;
  max-width: 680px;
}

.chat-greeting__chips {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
  justify-content: center;
  margin-top: var(--sp-4);
}

.chat-chip {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 7px var(--sp-4);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  font-size: var(--font-size-sm);
  color: var(--fg-muted);
  cursor: pointer;
  transition: background var(--trans), color var(--trans);
}
.chat-chip:hover { background: var(--bg-hover); color: var(--fg); }
.chat-chip svg { width: 14px; height: 14px; }

/* Conversation */
.chat-view {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-view__messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-6) var(--sp-4);
  max-width: 760px;
  width: 100%;
  margin: 0 auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.chat-msg { margin-bottom: var(--sp-6); }
.chat-msg.user { text-align: right; }
.chat-msg__bubble {
  display: inline-block;
  max-width: 80%;
  text-align: left;
  font-size: var(--font-size-md);
  line-height: 1.7;
}
.chat-msg.user .chat-msg__bubble {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-3) var(--sp-4);
}
.chat-msg.assistant .chat-msg__bubble { color: var(--fg); }
.chat-msg__label {
  font-size: 11px;
  color: var(--fg-subtle);
  margin-bottom: 4px;
  font-weight: 600;
}

/* Composer */
.composer-wrap {
  padding: 0 var(--sp-4) var(--sp-4);
  max-width: 760px;
  width: 100%;
  margin: 0 auto;
  flex-shrink: 0;
}

.composer {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: var(--sp-3) var(--sp-4);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  transition: border-color var(--trans);
}
.composer:focus-within { border-color: rgba(255,255,255,0.2); }

.composer__left { display: flex; align-items: center; }

.composer__btn {
  width: 32px; height: 32px;
  border-radius: var(--r-full);
  display: grid;
  place-items: center;
  color: var(--fg-muted);
  background: none;
  transition: background var(--trans), color var(--trans);
  flex-shrink: 0;
}
.composer__btn:hover { background: var(--bg-hover); color: var(--fg); }
.composer__btn svg { width: 18px; height: 18px; }

.composer__input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--fg);
  font-size: var(--font-size-md);
  line-height: 1.5;
}
.composer__input::placeholder { color: var(--fg-subtle); }

.composer__right {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-shrink: 0;
}

.composer__send {
  width: 32px; height: 32px;
  border-radius: var(--r-full);
  background: var(--fg);
  color: var(--bg);
  display: grid;
  place-items: center;
  transition: background var(--trans), opacity var(--trans);
  flex-shrink: 0;
}
.composer__send:hover { background: rgba(255,255,255,0.85); }
.composer__send svg { width: 16px; height: 16px; }

.chat-disclaimer {
  text-align: center;
  font-size: 11px;
  color: var(--fg-subtle);
  padding: var(--sp-2) var(--sp-4) var(--sp-4);
  max-width: 760px;
  margin: 0 auto;
}

/* =====================================================
   Page header (shared across views)
   ===================================================== */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-6) var(--sp-6) var(--sp-4);
  flex-shrink: 0;
}

.page-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--fg-heading);
}

.page-header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 7px var(--sp-4);
  background: var(--fg);
  color: var(--bg);
  border-radius: var(--r-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  transition: background var(--trans);
  cursor: pointer;
  border: none;
}
.btn-primary:hover { background: rgba(255,255,255,0.85); }
.btn-primary svg { width: 14px; height: 14px; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 7px var(--sp-4);
  background: none;
  color: var(--fg);
  border-radius: var(--r-full);
  border: 1px solid var(--border);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: background var(--trans);
  cursor: pointer;
}
.btn-secondary:hover { background: var(--bg-hover); }
.btn-secondary svg { width: 14px; height: 14px; }

/* =====================================================
   Tabs (shared)
   ===================================================== */

.tab-bar {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 var(--sp-6);
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;
}

.tab-btn {
  padding: 8px var(--sp-3);
  font-size: var(--font-size-md);
  color: var(--fg-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  transition: color var(--trans), border-color var(--trans);
  white-space: nowrap;
}
.tab-btn:hover { color: var(--fg); }
.tab-btn.active { color: var(--fg); border-bottom-color: var(--fg); }

/* =====================================================
   Competenze View
   ===================================================== */

.competenze-view {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.competenze-desc {
  font-size: var(--font-size-sm);
  color: var(--fg-muted);
  margin-top: 4px;
}

.competenze-tabs-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--sp-6);
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;
}

.competenze-search {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  padding: 5px var(--sp-3);
  font-size: var(--font-size-sm);
  color: var(--fg);
  outline: none;
  width: 180px;
  margin: var(--sp-2) 0;
}
.competenze-search::placeholder { color: var(--fg-subtle); }

.competenze-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-5) var(--sp-6);
  scrollbar-width: thin;
}

.skill-card {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-4);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  margin-bottom: var(--sp-3);
  cursor: pointer;
  transition: border-color var(--trans), background var(--trans);
}
.skill-card:hover { background: var(--bg-surface); border-color: rgba(255,255,255,0.18); }

.skill-card__icon {
  width: 40px; height: 40px;
  border-radius: var(--r-md);
  display: grid;
  place-items: center;
  font-size: 16px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.skill-card__body { flex: 1; min-width: 0; }
.skill-card__name { font-size: var(--font-size-md); font-weight: 600; color: var(--fg); margin-bottom: 2px; }
.skill-card__desc { font-size: var(--font-size-sm); color: var(--fg-muted); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.skill-card__author { font-size: var(--font-size-xs); color: var(--fg-subtle); margin-top: 4px; }

/* Skill popup */
.skill-popup {
  position: absolute;
  background: var(--modal-bg);
  border: 1px solid var(--modal-border);
  border-radius: var(--r-md);
  padding: var(--sp-2);
  min-width: 200px;
  z-index: 200;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  top: 36px; right: 0;
}

.skill-popup__item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 8px var(--sp-3);
  border-radius: var(--r-sm);
  font-size: var(--font-size-md);
  color: var(--fg-muted);
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: background var(--trans), color var(--trans);
}
.skill-popup__item:hover { background: var(--bg-hover); color: var(--fg); }
.skill-popup__item svg { width: 14px; height: 14px; flex-shrink: 0; }

/* =====================================================
   Progetto View
   ===================================================== */

.progetto-view {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.progetto-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-5) var(--sp-6) var(--sp-4);
  flex-shrink: 0;
}

.progetto-header__left {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.progetto-header__icon {
  width: 32px; height: 32px;
  display: grid;
  place-items: center;
  color: var(--fg-muted);
}
.progetto-header__icon svg { width: 20px; height: 20px; }

.progetto-header__title { font-size: 18px; font-weight: 600; color: var(--fg-heading); }

.progetto-new-chat {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin: 0 var(--sp-6) var(--sp-4);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 10px var(--sp-4);
  cursor: pointer;
  transition: border-color var(--trans), background var(--trans);
}
.progetto-new-chat:hover { background: var(--bg-surface); border-color: rgba(255,255,255,0.15); }
.progetto-new-chat > svg,
.progetto-new-chat > .icon { width: 18px; height: 18px; color: var(--fg-muted); }
.progetto-new-chat span { flex: 1; font-size: var(--font-size-md); color: var(--fg-muted); }
.progetto-new-chat .composer__btn { margin-left: auto; flex-shrink: 0; }

.progetto-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-3) var(--sp-6);
  scrollbar-width: thin;
}

.progetto-chat-item {
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--border-light);
  cursor: pointer;
  transition: background var(--trans);
}
.progetto-chat-item:hover { background: var(--bg-hover); border-radius: var(--r-sm); padding-left: var(--sp-3); padding-right: var(--sp-3); }

.progetto-chat-item__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.progetto-chat-item__title {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--fg);
}

.progetto-chat-item__date {
  font-size: var(--font-size-xs);
  color: var(--fg-subtle);
  flex-shrink: 0;
}

.progetto-chat-item__preview {
  font-size: var(--font-size-sm);
  color: var(--fg-muted);
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Fonti empty state */
.fonti-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  border: 2px dashed var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-8);
  margin: var(--sp-4) 0;
  gap: var(--sp-5);
}

.fonti-empty__icons {
  display: flex;
  gap: -8px;
}

.fonti-empty__icon {
  width: 36px; height: 36px;
  border-radius: var(--r-full);
  background: var(--bg-elevated);
  border: 2px solid var(--bg);
  display: grid;
  place-items: center;
  margin-left: -8px;
  font-size: 18px;
}

.fonti-empty__title { font-size: var(--font-size-lg); font-weight: 600; color: var(--fg-heading); }
.fonti-empty__desc  { font-size: var(--font-size-sm); color: var(--fg-muted); text-align: center; max-width: 340px; line-height: 1.6; }

/* =====================================================
   GPT View
   ===================================================== */

.gpt-view {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.gpt-view__inner {
  flex: 1;
  overflow-y: auto;
  padding: 0 var(--sp-6) var(--sp-6);
  scrollbar-width: thin;
}

.gpt-search-wrap {
  padding: 0 var(--sp-6) var(--sp-4);
  flex-shrink: 0;
}

.gpt-search {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 10px var(--sp-4);
  font-size: var(--font-size-md);
  color: var(--fg);
  outline: none;
}
.gpt-search::placeholder { color: var(--fg-subtle); }

.gpt-categories {
  display: flex;
  gap: var(--sp-2);
  padding: 0 var(--sp-6) var(--sp-4);
  overflow-x: auto;
  flex-shrink: 0;
  scrollbar-width: none;
}
.gpt-categories::-webkit-scrollbar { display: none; }

.gpt-cat-btn {
  padding: 5px var(--sp-4);
  border-radius: var(--r-full);
  font-size: var(--font-size-sm);
  color: var(--fg-muted);
  border: 1px solid var(--border);
  white-space: nowrap;
  cursor: pointer;
  transition: background var(--trans), color var(--trans), border-color var(--trans);
  flex-shrink: 0;
}
.gpt-cat-btn:hover { background: var(--bg-hover); color: var(--fg); }
.gpt-cat-btn.active { background: var(--bg-active); color: var(--fg); border-color: rgba(255,255,255,0.2); }

.gpt-section { margin-bottom: var(--sp-6); }

.gpt-section-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--fg-heading);
  margin-bottom: var(--sp-4);
}

.gpt-section-subtitle {
  font-size: var(--font-size-sm);
  color: var(--fg-muted);
  margin-bottom: var(--sp-4);
}

.gpt-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
}

.gpt-card {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  cursor: pointer;
  transition: border-color var(--trans), background var(--trans);
}
.gpt-card:hover { background: var(--bg-surface); border-color: rgba(255,255,255,0.18); }
.gpt-card > svg,
.gpt-card > .icon { width: 16px; height: 16px; color: var(--fg-subtle); flex-shrink: 0; }

.gpt-card__icon {
  width: 40px; height: 40px;
  border-radius: var(--r-full);
  display: grid;
  place-items: center;
  font-size: 15px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.gpt-card__body { flex: 1; min-width: 0; }
.gpt-card__name { font-size: var(--font-size-sm); font-weight: 600; color: var(--fg); }
.gpt-card__author { font-size: var(--font-size-xs); color: var(--fg-subtle); }

/* GPT Create View */
.create-gpt-view {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.create-gpt-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px var(--sp-4);
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;
}

.create-gpt-header__back {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--font-size-md);
  color: var(--fg-muted);
  cursor: pointer;
  padding: var(--sp-2);
  border-radius: var(--r-sm);
  transition: background var(--trans), color var(--trans);
}
.create-gpt-header__back:hover { background: var(--bg-hover); color: var(--fg); }
.create-gpt-header__back svg { width: 16px; height: 16px; }

.create-gpt-header__title { font-size: var(--font-size-md); font-weight: 600; color: var(--fg-heading); }

.create-gpt-body {
  flex: 1;
  display: flex;
  overflow: hidden;
}

.create-gpt-form {
  width: 50%;
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.create-gpt-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-light);
  padding: 0 var(--sp-4);
  flex-shrink: 0;
}

.create-gpt-tab {
  padding: 10px var(--sp-4);
  font-size: var(--font-size-md);
  color: var(--fg-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  transition: color var(--trans), border-color var(--trans);
}
.create-gpt-tab:hover { color: var(--fg); }
.create-gpt-tab.active { color: var(--fg); border-bottom-color: var(--fg); }

.create-gpt-form-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-5) var(--sp-4);
  scrollbar-width: thin;
}

.cgpt-notice {
  background: var(--oai-green-light);
  border: 1px solid rgba(16,163,127,0.3);
  border-radius: var(--r-md);
  padding: var(--sp-4);
  margin-bottom: var(--sp-4);
  font-size: var(--font-size-sm);
  color: var(--oai-green);
  line-height: 1.6;
}

.form-field { margin-bottom: var(--sp-4); }
.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--fg);
  margin-bottom: 6px;
}
.form-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 8px var(--sp-3);
  font-size: var(--font-size-md);
  color: var(--fg);
  outline: none;
  transition: border-color var(--trans);
}
.form-input:focus { border-color: rgba(255,255,255,0.25); }
.form-input::placeholder { color: var(--fg-subtle); }
.form-textarea {
  resize: vertical;
  min-height: 80px;
  line-height: 1.6;
}
.form-input-desc {
  font-size: var(--font-size-xs);
  color: var(--fg-subtle);
  margin-top: 4px;
  line-height: 1.5;
}

.form-checkbox-group { display: flex; flex-direction: column; gap: var(--sp-2); margin-top: var(--sp-2); }
.form-checkbox-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--font-size-sm);
  color: var(--fg-muted);
  cursor: pointer;
}
.form-checkbox-item input { accent-color: var(--oai-green); }

.create-gpt-preview {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.create-gpt-preview-tabs {
  display: flex;
  align-items: center;
  padding: 10px var(--sp-6);
  border-bottom: 1px solid var(--border-light);
  gap: var(--sp-4);
  flex-shrink: 0;
}

.create-gpt-preview-tab {
  font-size: var(--font-size-md);
  color: var(--fg-muted);
  cursor: pointer;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}
.create-gpt-preview-tab.active { color: var(--fg); border-bottom-color: var(--fg); }

.create-gpt-preview-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  padding: var(--sp-8);
}

.create-gpt-preview-icon {
  width: 60px; height: 60px;
  border-radius: var(--r-full);
  background: var(--bg-elevated);
  display: grid;
  place-items: center;
  color: var(--fg-muted);
}
.create-gpt-preview-icon svg { width: 32px; height: 32px; }

.create-gpt-preview-composer {
  width: 100%;
  max-width: 380px;
}

/* =====================================================
   App View
   ===================================================== */

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

.app-view__sub { font-size: var(--font-size-sm); color: var(--fg-muted); margin-top: 2px; }

.app-featured {
  margin: 0 var(--sp-6) var(--sp-4);
  background: linear-gradient(135deg, #1a2f3a 0%, #0f1f2a 100%);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
}

.app-featured__icon {
  width: 48px; height: 48px;
  border-radius: var(--r-md);
  display: grid;
  place-items: center;
  font-size: 20px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.app-featured__body { flex: 1; }
.app-featured__name { font-size: var(--font-size-lg); font-weight: 700; color: var(--fg-heading); margin-bottom: 2px; }
.app-featured__desc { font-size: var(--font-size-sm); color: var(--fg-muted); }

.app-search-wrap {
  padding: 0 var(--sp-6) var(--sp-3);
  flex-shrink: 0;
}

.app-search {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 8px var(--sp-4);
  font-size: var(--font-size-md);
  color: var(--fg);
  outline: none;
}
.app-search::placeholder { color: var(--fg-subtle); }

.app-categories {
  display: flex;
  gap: var(--sp-2);
  padding: 0 var(--sp-6) var(--sp-4);
  overflow-x: auto;
  flex-shrink: 0;
  scrollbar-width: none;
}
.app-categories::-webkit-scrollbar { display: none; }

.app-cat-btn {
  padding: 5px var(--sp-4);
  border-radius: var(--r-full);
  font-size: var(--font-size-sm);
  color: var(--fg-muted);
  border: 1px solid var(--border);
  white-space: nowrap;
  cursor: pointer;
  transition: background var(--trans), color var(--trans);
  flex-shrink: 0;
}
.app-cat-btn:hover { background: var(--bg-hover); color: var(--fg); }
.app-cat-btn.active { background: var(--bg-active); color: var(--fg); }

.app-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 var(--sp-6) var(--sp-6);
  scrollbar-width: thin;
}

.app-item {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--border-light);
  cursor: pointer;
  transition: background var(--trans);
}
.app-item:last-child { border-bottom: none; }
.app-item:hover { background: var(--bg-hover); border-radius: var(--r-sm); padding-left: var(--sp-3); padding-right: var(--sp-3); }

.app-item__icon {
  width: 40px; height: 40px;
  border-radius: var(--r-md);
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.app-item__body { flex: 1; min-width: 0; }
.app-item__name { font-size: var(--font-size-md); font-weight: 600; color: var(--fg); }
.app-item__desc { font-size: var(--font-size-sm); color: var(--fg-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.app-item__arrow { color: var(--fg-subtle); flex-shrink: 0; }
.app-item__arrow svg { width: 16px; height: 16px; }

.app-item__connected {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--oai-green);
  padding: 2px 8px;
  background: var(--oai-green-light);
  border-radius: var(--r-full);
  flex-shrink: 0;
}

/* =====================================================
   Agenti View
   ===================================================== */

.agenti-view {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.agenti-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  padding: var(--sp-8);
}

.agenti-empty__title { font-size: var(--font-size-lg); font-weight: 600; color: var(--fg-heading); }
.agenti-empty__desc { font-size: var(--font-size-sm); color: var(--fg-muted); text-align: center; max-width: 300px; line-height: 1.6; }

.agenti-empty__actions {
  display: flex;
  gap: var(--sp-3);
  margin-top: var(--sp-2);
}

/* =====================================================
   Programmati View
   ===================================================== */

.programmati-view {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.programmati-view__sub {
  font-size: var(--font-size-sm);
  color: var(--fg-muted);
  padding: 0 var(--sp-6) var(--sp-5);
  max-width: 560px;
  line-height: 1.6;
  flex-shrink: 0;
}

.programmati-composer-wrap {
  padding: 0 var(--sp-6) var(--sp-5);
  flex-shrink: 0;
}

.programmati-composer {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 10px var(--sp-4);
  max-width: 680px;
}
.programmati-composer > svg,
.programmati-composer > .icon { width: 18px; height: 18px; color: var(--fg-muted); flex-shrink: 0; }
.programmati-composer .composer__btn { flex-shrink: 0; }

.programmati-composer__input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--fg);
  font-size: var(--font-size-md);
}
.programmati-composer__input::placeholder { color: var(--fg-subtle); }

.programmati-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 var(--sp-6) var(--sp-6);
  scrollbar-width: thin;
}

.programmati-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--border-light);
  cursor: pointer;
  transition: background var(--trans);
}
.programmati-item:last-child { border-bottom: none; }
.programmati-item:hover { background: var(--bg-hover); border-radius: var(--r-sm); padding-left: var(--sp-3); padding-right: var(--sp-3); }

.programmati-item__icon {
  width: 36px; height: 36px;
  border-radius: var(--r-full);
  background: var(--bg-elevated);
  display: grid;
  place-items: center;
  font-size: 18px;
  flex-shrink: 0;
}

.programmati-item__body { flex: 1; }
.programmati-item__name { font-size: var(--font-size-md); font-weight: 600; color: var(--fg); margin-bottom: 2px; }
.programmati-item__desc { font-size: var(--font-size-sm); color: var(--fg-muted); line-height: 1.5; }

/* =====================================================
   Libreria View
   ===================================================== */

.libreria-view {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.libreria-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--sp-6) var(--sp-4);
  flex-shrink: 0;
}

.libreria-search {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  padding: 6px var(--sp-4);
  font-size: var(--font-size-sm);
  color: var(--fg);
  outline: none;
  width: 200px;
}
.libreria-search::placeholder { color: var(--fg-subtle); }

.libreria-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.libreria-tabs-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--sp-6);
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;
}

.libreria-view-icons {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-bottom: -1px;
}

.libreria-table {
  flex: 1;
  overflow-y: auto;
  scrollbar-width: thin;
}

.libreria-table-header {
  display: grid;
  grid-template-columns: 1fr 120px 100px;
  padding: var(--sp-2) var(--sp-6);
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;
}

.libreria-col-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--fg-subtle);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.libreria-row {
  display: grid;
  grid-template-columns: 1fr 120px 100px;
  align-items: center;
  padding: 10px var(--sp-6);
  border-bottom: 1px solid var(--border-light);
  cursor: pointer;
  transition: background var(--trans);
}
.libreria-row:hover { background: var(--bg-hover); }

.libreria-row__name {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  min-width: 0;
}

.libreria-row__icon {
  width: 32px; height: 32px;
  border-radius: var(--r-sm);
  background: var(--bg-elevated);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.libreria-row__icon svg { width: 16px; height: 16px; color: var(--fg-muted); }

.libreria-row__filename {
  font-size: var(--font-size-sm);
  color: var(--fg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.libreria-row__date, .libreria-row__size {
  font-size: var(--font-size-sm);
  color: var(--fg-muted);
}

/* =====================================================
   Overlay & Modals
   ===================================================== */

.overlay {
  position: fixed;
  inset: 48px 0 0;
  z-index: 5000;
  background: rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-wrapper { width: 100%; max-width: 520px; padding: var(--sp-4); }

.modal {
  background: var(--modal-bg);
  border: 1px solid var(--modal-border);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--border-light);
}

.modal__title { font-size: var(--font-size-lg); font-weight: 600; color: var(--fg-heading); }

.modal__body { padding: var(--sp-5); }

.modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5);
  border-top: 1px solid var(--border-light);
}

/* Skill upload area */
.skill-upload-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  border: 2px dashed var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-8) var(--sp-5);
  cursor: pointer;
  transition: border-color var(--trans), background var(--trans);
  margin-bottom: var(--sp-4);
}
.skill-upload-area:hover { border-color: rgba(255,255,255,0.2); background: var(--bg-hover); }
.skill-upload-area svg { width: 28px; height: 28px; color: var(--fg-muted); }
.skill-upload-area__text { font-size: var(--font-size-sm); color: var(--fg-muted); }

.skill-upload-reqs {
  background: var(--bg-surface);
  border-radius: var(--r-md);
  padding: var(--sp-3) var(--sp-4);
}
.skill-upload-reqs ul { padding-left: var(--sp-4); }
.skill-upload-reqs li {
  font-size: var(--font-size-sm);
  color: var(--fg-muted);
  line-height: 1.7;
  list-style: disc;
}

.skill-notice {
  background: var(--oai-green-light);
  border: 1px solid rgba(16,163,127,0.3);
  border-radius: var(--r-md);
  padding: var(--sp-4);
  font-size: var(--font-size-sm);
  color: var(--oai-green);
  line-height: 1.6;
  margin-bottom: var(--sp-4);
}

.skill-notice strong { color: #2dd4bf; }

.skill-steps { margin-top: var(--sp-3); }
.skill-steps li {
  font-size: var(--font-size-sm);
  color: var(--fg-muted);
  line-height: 1.8;
  margin-left: var(--sp-4);
  list-style: decimal;
}

/* Create project modal */
.create-project-modal { padding: var(--sp-5); }
.create-project-modal__title { font-size: var(--font-size-lg); font-weight: 600; color: var(--fg-heading); margin-bottom: 4px; }
.create-project-modal__sub { font-size: var(--font-size-sm); color: var(--fg-muted); margin-bottom: var(--sp-5); }

/* =====================================================
   Toast
   ===================================================== */

.toast-noop {
  position: fixed;
  bottom: var(--sp-6);
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  padding: 8px var(--sp-5);
  font-size: var(--font-size-sm);
  color: var(--fg);
  z-index: 10000;
  opacity: 0;
  transition: opacity var(--trans), transform var(--trans);
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  white-space: nowrap;
  pointer-events: none;
}
.toast-noop.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* =====================================================
   Toggle
   ===================================================== */

.toggle {
  width: 36px; height: 20px;
  border-radius: var(--r-full);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  position: relative;
  cursor: pointer;
  transition: background var(--trans);
  flex-shrink: 0;
}
.toggle.on { background: var(--oai-green); border-color: var(--oai-green); }
.toggle::after {
  content: "";
  position: absolute;
  top: 2px; left: 2px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: white;
  transition: transform var(--trans);
}
.toggle.on::after { transform: translateX(16px); }