/* MatBolo — warm 2005-era hostel notice-board vibes */

:root {
  --brown-900: #3a2410;
  --brown-800: #4a2c1a;
  --brown-700: #5d3a22;
  --amber: #f5a524;
  --amber-deep: #e08900;
  --paper: #f6edd9;
  --paper-line: rgba(93, 58, 34, 0.07);
  --bubble-bot: #fffaf0;
  --bubble-bot-border: #e5d5b8;
  --ink: #2e1d0e;
  --muted: #8a6f52;
}

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

html, body { height: 100%; }

body {
  font-family: "Segoe UI", system-ui, -apple-system, "Noto Sans", sans-serif;
  background: var(--brown-900);
  color: var(--ink);
}

#app {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  max-width: 640px;
  margin: 0 auto;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 27px, var(--paper-line) 27px, var(--paper-line) 28px),
    var(--paper);
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.45);
}

/* ---------- Header ---------- */

.header {
  background: linear-gradient(180deg, var(--brown-800), var(--brown-700));
  color: #fdf3dd;
  padding-top: env(safe-area-inset-top);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
  z-index: 2;
}

.brand {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 10px 16px 4px;
  border-bottom: 1px dashed rgba(245, 165, 36, 0.35);
}

.brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--amber);
  text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.4);
}

.brand-est {
  font-size: 0.7rem;
  color: #d9bf95;
  font-style: italic;
}

.contact {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
}

.avatar {
  position: relative;
  width: 44px;
  height: 44px;
  flex: none;
}

.avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid var(--amber);
  background: var(--paper);
}

.online-dot {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #4caf50;
  border: 2px solid var(--brown-700);
}

.contact-info { flex: 1; min-width: 0; }

.contact-name { font-weight: 700; font-size: 1rem; }

.nickname { color: var(--amber); }

.contact-status {
  font-size: 0.75rem;
  color: #d9bf95;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.icon-btn {
  background: none;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  padding: 6px;
  border-radius: 8px;
  transition: background 0.15s;
}

.icon-btn:hover { background: rgba(255, 255, 255, 0.12); }

/* ---------- Roll-call ticker ---------- */

.ticker {
  overflow: hidden;
  background: rgba(0, 0, 0, 0.25);
  font-size: 0.68rem;
  color: var(--amber);
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 3px 0;
}

.ticker-track {
  display: flex;
  width: max-content;
  animation: ticker 22s linear infinite;
}

@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

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

.chat {
  flex: 1;
  overflow-y: auto;
  padding: 16px 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  scroll-behavior: smooth;
}

.day-divider {
  align-self: center;
  font-size: 0.68rem;
  color: var(--muted);
  background: rgba(93, 58, 34, 0.08);
  border: 1px solid var(--bubble-bot-border);
  padding: 3px 12px;
  border-radius: 999px;
  margin: 4px 0;
}

.msg {
  max-width: 80%;
  padding: 9px 13px;
  border-radius: 16px;
  font-size: 0.95rem;
  line-height: 1.35;
  position: relative;
  animation: pop 0.18s ease-out;
  word-wrap: break-word;
}

@keyframes pop {
  from { transform: translateY(6px) scale(0.97); opacity: 0; }
  to { transform: none; opacity: 1; }
}

.msg.bot {
  align-self: flex-start;
  background: var(--bubble-bot);
  border: 1px solid var(--bubble-bot-border);
  border-bottom-left-radius: 4px;
  box-shadow: 1px 2px 0 rgba(93, 58, 34, 0.12);
}

.msg.user {
  align-self: flex-end;
  background: linear-gradient(160deg, var(--amber), var(--amber-deep));
  color: var(--brown-900);
  font-weight: 500;
  border-bottom-right-radius: 4px;
  box-shadow: 1px 2px 0 rgba(93, 58, 34, 0.2);
}

.msg .action {
  display: block;
  font-style: italic;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 2px;
}

.msg time {
  display: block;
  font-size: 0.62rem;
  color: rgba(46, 29, 14, 0.45);
  text-align: right;
  margin-top: 3px;
}

.msg.bot time { color: var(--muted); }

/* typing indicator */
.typing {
  align-self: flex-start;
  display: flex;
  gap: 5px;
  padding: 12px 16px;
  background: var(--bubble-bot);
  border: 1px solid var(--bubble-bot-border);
  border-radius: 16px;
  border-bottom-left-radius: 4px;
}

.typing i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
  animation: blink 1.2s infinite;
}

.typing i:nth-child(2) { animation-delay: 0.2s; }
.typing i:nth-child(3) { animation-delay: 0.4s; }

@keyframes blink {
  0%, 60%, 100% { opacity: 0.25; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}

/* ---------- Chips ---------- */

.chips {
  display: flex;
  gap: 8px;
  padding: 6px 12px;
  overflow-x: auto;
  scrollbar-width: none;
}

.chips::-webkit-scrollbar { display: none; }

.chip {
  flex: none;
  background: var(--bubble-bot);
  border: 1px solid var(--amber-deep);
  color: var(--brown-800);
  font-size: 0.8rem;
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.chip:active { transform: scale(0.95); }
.chip:hover { background: #fff3d6; }

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

.composer {
  padding: 8px 10px calc(10px + env(safe-area-inset-bottom));
  background: linear-gradient(0deg, var(--brown-800), var(--brown-700));
}

#chat-form {
  display: flex;
  gap: 8px;
}

#chat-input {
  flex: 1;
  border: 2px solid var(--amber-deep);
  background: var(--paper);
  color: var(--ink);
  border-radius: 999px;
  padding: 10px 16px;
  font-size: 1rem;
  outline: none;
}

#chat-input:focus { border-color: var(--amber); }

#chat-input::placeholder { color: var(--muted); }

.send-btn {
  flex: none;
  width: 46px;
  height: 46px;
  border: none;
  border-radius: 50%;
  background: linear-gradient(160deg, var(--amber), var(--amber-deep));
  color: var(--brown-900);
  font-size: 1.15rem;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
  transition: transform 0.1s;
}

.send-btn:active { transform: scale(0.92); }

@media (min-width: 640px) {
  #app { border-left: 6px solid var(--brown-700); border-right: 6px solid var(--brown-700); }
}