/* MatBot Učilnica – CSS */
:root {
  --mbr-purple: #7c6af7;
  --mbr-purple-dark: #6554e0;
  --mbr-bg: #0d1424;
  --mbr-bg2: #131c2e;
  --mbr-bg3: #1a2540;
  --mbr-border: rgba(124,106,247,.25);
  --mbr-text: #e8e4ff;
  --mbr-text2: rgba(200,190,255,.65);
  --mbr-radius: 12px;
  --mbr-danger: #e24b4a;
}

.mbrooms-app { font-family: 'Segoe UI', Arial, sans-serif; font-size: 14px; color: var(--mbr-text); }
.mbrooms-screen { max-width: 700px; margin: 0 auto; }

/* Lobby */
.mbrooms-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.mbrooms-pi { width: 46px; height: 46px; border-radius: 50%; background: #0a0f1e; border: 2.5px solid #4f8ef7; display: flex; align-items: center; justify-content: center; font-size: 26px; font-family: 'Times New Roman', serif; font-weight: 700; color: #85b4fb; text-shadow: 0 0 12px rgba(133,180,251,.8); }
.mbrooms-title { font-size: 1.3rem; font-weight: 600; color: var(--mbr-text); }

.mbrooms-tabs { display: flex; gap: 4px; background: var(--mbr-bg3); border-radius: var(--mbr-radius); padding: 4px; margin-bottom: 20px; }
.mbrooms-tab { flex: 1; padding: 8px; border: none; background: transparent; color: var(--mbr-text2); border-radius: 8px; cursor: pointer; font-size: 13px; transition: all .15s; }
.mbrooms-tab.active { background: var(--mbr-purple); color: #fff; }

.mbrooms-tab-panel { display: none; }
.mbrooms-tab-panel.active { display: block; }

.mbrooms-field { margin-bottom: 14px; }
.mbrooms-field label { display: block; font-size: 11px; color: var(--mbr-text2); margin-bottom: 5px; text-transform: uppercase; letter-spacing: .04em; font-weight: 500; }
.mbrooms-field input, .mbrooms-field select, .mbrooms-field textarea {
  width: 100%; padding: 9px 12px; background: var(--mbr-bg3); border: 1.5px solid var(--mbr-border);
  border-radius: 8px; color: var(--mbr-text); font-size: 13px; font-family: inherit; box-sizing: border-box;
  transition: border-color .15s;
}
.mbrooms-field input:focus, .mbrooms-field select:focus { outline: none; border-color: var(--mbr-purple); }
.mbrooms-field select { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24'%3E%3Cpath fill='%237c6af7' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 8px center; padding-right: 28px; }

.mbrooms-question-box { background: var(--mbr-bg3); border: 1.5px solid rgba(255,193,7,.3); border-radius: 8px; padding: 12px 14px; margin-bottom: 12px; }
.mbrooms-question-label { font-size: 10px; color: #ffc107; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 6px; font-weight: 600; }

.mbrooms-btn { width: 100%; padding: 10px 16px; border-radius: 10px; border: 1.5px solid var(--mbr-border); background: transparent; color: var(--mbr-text); font-size: 13px; font-family: inherit; cursor: pointer; margin-top: 6px; transition: all .15s; }
.mbrooms-btn-primary { background: var(--mbr-purple); border-color: var(--mbr-purple); color: #fff; }
.mbrooms-btn-primary:hover { background: var(--mbr-purple-dark); }
.mbrooms-btn-danger { background: var(--mbr-danger); border-color: var(--mbr-danger); color: #fff; }
.mbrooms-btn:disabled { opacity: .45; cursor: default; }

.mbrooms-error { color: #fc8181; font-size: 12px; padding: 6px 10px; background: rgba(226,75,74,.12); border-radius: 6px; margin: 6px 0; }

.mbrooms-code-display { text-align: center; padding: 16px; background: var(--mbr-bg3); border-radius: 10px; margin: 14px 0; border: 1.5px solid var(--mbr-purple); }
.mbrooms-code-label { font-size: 11px; color: var(--mbr-text2); margin-bottom: 6px; }
.mbrooms-code-big { font-size: 2rem; font-weight: 700; letter-spacing: 4px; color: #85b4fb; }
.mbrooms-code-hint { font-size: 11px; color: var(--mbr-text2); margin-top: 6px; }

/* Room */
.mbrooms-room-header { display: flex; align-items: center; gap: 10px; padding: 10px 14px; background: var(--mbr-bg); border-bottom: 1px solid var(--mbr-border); flex-shrink: 0; }
.mbrooms-room-info { flex: 1; display: flex; align-items: center; gap: 8px; min-width: 0; }
.mbrooms-room-name { font-weight: 600; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mbrooms-room-code-badge { font-size: 11px; background: rgba(124,106,247,.2); color: var(--mbr-purple); padding: 2px 8px; border-radius: 20px; letter-spacing: 1px; white-space: nowrap; }
.mbrooms-online { font-size: 11px; color: var(--mbr-text2); white-space: nowrap; }
.mbrooms-room-actions { display: flex; gap: 4px; flex-shrink: 0; }

.mbrooms-icon-btn { background: transparent; border: 1px solid var(--mbr-border); border-radius: 8px; color: var(--mbr-text2); padding: 6px 8px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all .15s; }
.mbrooms-icon-btn:hover { color: var(--mbr-text); background: rgba(255,255,255,.06); }
.mbrooms-icon-btn--danger:hover { color: var(--mbr-danger); border-color: rgba(226,75,74,.4); }
.mbrooms-icon-btn--leave:hover { color: #fc8181; }

/* Messages */
.mbrooms-messages { flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 10px; background: var(--mbr-bg2); min-height: 300px; max-height: 420px; }
.mbrooms-msg { display: flex; gap: 8px; align-items: flex-start; }
.mbrooms-msg--user { flex-direction: row-reverse; }
.mbrooms-msg--bot { }
.mbrooms-msg--system { justify-content: center; }

.mbrooms-avatar { width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 600; flex-shrink: 0; }
.mbrooms-avatar--user { background: rgba(124,106,247,.3); color: #c0b8ff; }
.mbrooms-avatar--bot { background: var(--mbr-purple); color: #fff; font-family: 'Times New Roman',serif; font-size: 14px; }

.mbrooms-bubble { max-width: 78%; border-radius: 14px; padding: 9px 13px; font-size: 13px; line-height: 1.65; }
.mbrooms-msg--user .mbrooms-bubble { background: var(--mbr-purple); color: #fff; border-radius: 14px 14px 3px 14px; }
.mbrooms-msg--bot .mbrooms-bubble { background: var(--mbr-bg3); border: 1px solid var(--mbr-border); border-radius: 3px 14px 14px 14px; }
.mbrooms-msg--system .mbrooms-bubble { background: transparent; color: var(--mbr-text2); font-size: 12px; text-align: center; padding: 4px 8px; }

.mbrooms-sender { font-size: 10px; font-weight: 600; margin-bottom: 3px; opacity: .7; }
.mbrooms-time { font-size: 10px; opacity: .5; margin-top: 3px; }
.mbrooms-typing { color: var(--mbr-text2); font-style: italic; font-size: 12px; }

/* Input */
.mbrooms-input-area { padding: 10px 12px; background: var(--mbr-bg); border-top: 1px solid var(--mbr-border); }
.mbrooms-input-row { display: flex; gap: 6px; align-items: flex-end; }
.mbrooms-attach-wrap { position: relative; flex-shrink: 0; }
.mbrooms-attach-btn { width: 36px; height: 36px; background: var(--mbr-bg3); border: 1.5px solid var(--mbr-purple); border-radius: 10px; color: rgba(255,255,255,.7); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all .15s; }
.mbrooms-attach-btn:hover { background: rgba(124,106,247,.2); color: #fff; }
.mbrooms-attach-menu { position: absolute; bottom: calc(100% + 6px); left: 0; background: var(--mbr-bg3); border: 1.5px solid var(--mbr-purple); border-radius: 10px; padding: 5px; min-width: 150px; z-index: 999; box-shadow: 0 4px 20px rgba(0,0,0,.4); }
.mbrooms-attach-item { width: 100%; background: transparent; border: none; color: var(--mbr-text); padding: 8px 12px; display: flex; align-items: center; gap: 8px; font-size: 13px; cursor: pointer; border-radius: 6px; }
.mbrooms-attach-item:hover { background: rgba(124,106,247,.15); }

#mbr-editor { flex: 1; background: var(--mbr-bg3); border: 1.5px solid var(--mbr-purple); border-radius: 10px; color: var(--mbr-text); font-size: 13px; padding: 8px 12px; resize: none; font-family: inherit; line-height: 1.4; max-height: 100px; overflow-y: auto; box-sizing: border-box; }
#mbr-editor:focus { outline: none; border-color: #a89cff; box-shadow: 0 0 0 2px rgba(124,106,247,.2); }

.mbrooms-send-btn { display: flex; align-items: center; gap: 5px; padding: 8px 14px; background: var(--mbr-purple); border: none; border-radius: 10px; color: #fff; font-size: 13px; font-family: inherit; cursor: pointer; white-space: nowrap; transition: opacity .15s; }
.mbrooms-send-btn:hover { opacity: .88; }
.mbrooms-send-btn:disabled { opacity: .45; cursor: default; }

.mbrooms-attach-preview { display: flex; align-items: center; gap: 8px; padding: 6px 0; margin-bottom: 6px; }
.mbrooms-remove-btn { background: transparent; border: none; color: var(--mbr-text2); cursor: pointer; font-size: 14px; }

/* Dialogs */
.mbrooms-dialog-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex; align-items: center; justify-content: center; z-index: 99999; }
.mbrooms-dialog { background: #0d1a2e; border: 1.5px solid var(--mbr-purple); border-radius: 14px; padding: 24px; max-width: 400px; width: 90%; }
.mbrooms-dialog h3 { margin: 0 0 10px; font-size: 15px; color: var(--mbr-text); }
.mbrooms-dialog p { font-size: 13px; color: var(--mbr-text2); margin-bottom: 14px; line-height: 1.5; }
.mbrooms-dialog input { width: 100%; padding: 9px 12px; background: var(--mbr-bg3); border: 1.5px solid var(--mbr-border); border-radius: 8px; color: var(--mbr-text); font-size: 13px; box-sizing: border-box; margin-bottom: 10px; }
.mbrooms-dialog--warning { border-color: rgba(252,193,7,.4); }
.mbrooms-dialog-btns { display: flex; gap: 8px; flex-wrap: wrap; }
.mbrooms-dialog-btns button { flex: 1; min-width: 100px; }

/* Light mode */
body.matbot-light-mode .mbrooms-app,
body.matbot-light-mode .mbrooms-field input,
body.matbot-light-mode .mbrooms-field select,
body.matbot-light-mode #mbr-editor { background-color: #f0eeff; color: #1a1a2e; border-color: #7c6af7; }
body.matbot-light-mode .mbrooms-msg--bot .mbrooms-bubble { background: #f0eeff; color: #1a1a2e; }

@media (max-width: 480px) {
  .mbrooms-send-btn span { display: none; }
  .mbrooms-bubble { max-width: 88%; }
  .mbrooms-messages { max-height: 300px; }
}

/* Program + Letnik v header sobe */
.mbrooms-room-selects {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-shrink: 0;
}
.mbrooms-room-selects select {
  background: var(--mbr-bg3);
  border: 1.5px solid var(--mbr-border);
  border-radius: 8px;
  color: var(--mbr-text);
  font-size: 12px;
  padding: 5px 22px 5px 8px;
  font-family: inherit;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24'%3E%3Cpath fill='%237c6af7' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 5px center;
  min-width: 80px;
  transition: border-color .15s;
}
.mbrooms-room-selects select:focus {
  outline: none;
  border-color: var(--mbr-purple);
}
@media (max-width: 480px) {
  .mbrooms-room-selects { display: none; }
  /* Na mobilnem pokaži pod headerjem */
  .mbrooms-room-selects.mbr-mobile-show { display: flex; padding: 6px 10px; background: var(--mbr-bg); border-bottom: 1px solid var(--mbr-border); }
}