/* ============================================================
   Ника · ТаймВэб — iPhone 15 PWA Styles
   Топбар — из shared.css, здесь только чат и лог.
   ============================================================ */

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

html { font-size: 15px; }

:root {
  --tw-bg:        #0a0d10;
  --tw-surface:   #111418;
  --tw-surface2:  #181c21;
  --tw-border:    #262b33;
  --tw-text:      #e6eaf0;
  --tw-muted:     #788290;
  --tw-faint:     #404854;
  --tw-accent:    #5b8def;
  --tw-green:     #3cb878;
  --tw-red:       #e0556a;
  --tw-yellow:    #e0a030;
  --tw-brand:     #818cf8;
  --tw-brand-glow: rgba(129,140,248,.12);
  --tw-font:      system-ui, -apple-system, 'SF Pro Text', 'Segoe UI', Roboto, sans-serif;
  --tw-mono:      'SF Mono', 'Menlo', Consolas, 'Cascadia Code', monospace;
  --tw-radius-sm: 10px;
  --tw-radius:    14px;
  --tw-radius-lg: 20px;
  --tw-trans:     0.2s cubic-bezier(.22,1,.36,1);
}

body {
  background: var(--tw-bg);
  color: var(--tw-text);
  font-family: var(--tw-font);
  font-size: 15px;
  line-height: 1.45;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button, input, select, textarea {
  font: inherit; background: none; border: none; color: inherit; outline: none;
}

a { color: var(--tw-accent); text-decoration: none; }

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--tw-faint); border-radius: 10px; }

/* ============================================================
   Topbar overrides for Ника (extends shared.css .topbar)
   ============================================================ */
.topbar { background: var(--tw-bg); border-color: var(--tw-border); }

/* ============================================================
   Chat
   ============================================================ */
.tw-chat {
  flex: 1;
  overflow-y: auto;
  padding: 10px 14px;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  display: flex;
  flex-direction: column;
}

.tw-chat-inner {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-bottom: 8px;
}

/* Welcome card */
.tw-welcome {
  background: linear-gradient(165deg, var(--tw-surface), #141722);
  border: 1px solid var(--tw-border);
  border-radius: var(--tw-radius-lg);
  padding: 20px 16px;
  text-align: center;
  margin-bottom: 8px;
  animation: twCardIn 0.4s var(--tw-trans);
}

.tw-avatar {
  font-size: 40px;
  margin-bottom: 8px;
  filter: drop-shadow(0 4px 12px var(--tw-brand-glow));
}

.tw-welcome h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--tw-brand);
  margin-bottom: 6px;
  letter-spacing: -0.2px;
}
.tw-welcome p {
  font-size: 13px;
  color: var(--tw-muted);
  line-height: 1.55;
  margin-bottom: 14px;
  max-width: 300px;
  margin-left: auto;
  margin-right: auto;
}

/* Quick actions grid */
.tw-quick {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  max-width: 320px;
  margin: 0 auto;
}

.tw-qbtn {
  padding: 7px 6px;
  font-size: 11px;
  font-weight: 500;
  border-radius: var(--tw-radius-sm);
  border: 1px solid var(--tw-border);
  color: var(--tw-muted);
  background: var(--tw-surface2);
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  letter-spacing: -0.1px;
}
.tw-qbtn:active {
  border-color: var(--tw-accent);
  color: var(--tw-text);
  background: color-mix(in srgb, var(--tw-accent) 10%, var(--tw-surface2));
  transform: scale(0.97);
}

/* Messages */
.tw-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: var(--tw-radius);
  font-size: 14px;
  line-height: 1.5;
  word-wrap: break-word;
  animation: twIn 0.25s var(--tw-trans);
}
.tw-msg.user {
  align-self: flex-end;
  background: var(--tw-accent);
  color: #fff;
  border-bottom-right-radius: 6px;
  box-shadow: 0 2px 8px rgba(91,141,239,.2);
}
.tw-msg.agent {
  align-self: flex-start;
  background: var(--tw-surface2);
  border: 0.5px solid var(--tw-border);
  border-bottom-left-radius: 6px;
  white-space: pre-wrap;
}
.tw-msg .tw-time {
  font-size: 10px;
  opacity: 0.35;
  margin-top: 5px;
  letter-spacing: 0.3px;
}
.tw-msg.user .tw-time { text-align: right; color: rgba(255,255,255,.5); }

/* Typing indicator */
.tw-typing {
  align-self: flex-start;
  display: flex; gap: 4px; padding: 10px 14px;
}
.tw-typing span {
  width: 5px; height: 5px;
  background: var(--tw-muted);
  border-radius: 50%;
  animation: twBounce 1.4s infinite;
  opacity: 0.6;
}
.tw-typing span:nth-child(2) { animation-delay: 0.2s; }
.tw-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes twBounce { 0%,80%,100%{transform:scale(0)} 40%{transform:scale(1)} }
@keyframes twIn { from{opacity:0;transform:translateY(8px) scale(.98)} to{opacity:1;transform:translateY(0) scale(1)} }
@keyframes twCardIn { from{opacity:0;transform:translateY(12px)} to{opacity:1;transform:translateY(0)} }

/* Code blocks */
.tw-code {
  display: block;
  background: var(--tw-bg);
  border: 0.5px solid var(--tw-border);
  border-radius: var(--tw-radius-sm);
  padding: 10px 12px;
  margin-top: 6px;
  font-family: var(--tw-mono);
  font-size: 11px;
  line-height: 1.45;
  white-space: pre-wrap;
  overflow-x: auto;
  max-height: 280px;
  overflow-y: auto;
  color: var(--tw-text);
  -webkit-overflow-scrolling: touch;
}

/* Result card */
.tw-card {
  background: var(--tw-bg);
  border: 0.5px solid var(--tw-border);
  border-radius: var(--tw-radius-sm);
  padding: 8px 12px;
  margin-top: 6px;
  font-size: 13px;
}
.tw-card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 5px 0;
  border-bottom: 0.5px solid color-mix(in srgb, var(--tw-border) 40%, transparent);
}
.tw-card-row:last-child { border-bottom: none; }
.tw-card-row .label { color: var(--tw-muted); font-size: 11px; font-weight: 500; }
.tw-card-row .value { font-weight: 500; font-size: 13px; }
.tw-card-row .green { color: var(--tw-green); }
.tw-card-row .red { color: var(--tw-red); }

/* Actions in messages */
.tw-actions {
  display: flex; flex-wrap: wrap; gap: 5px; margin-top: 8px;
}
.tw-act-btn {
  padding: 5px 12px;
  font-size: 11px;
  font-weight: 500;
  border-radius: var(--tw-radius-sm);
  border: 1px solid var(--tw-border);
  color: var(--tw-muted);
  cursor: pointer;
  transition: all 0.15s;
  background: color-mix(in srgb, var(--tw-surface) 60%, transparent);
  -webkit-tap-highlight-color: transparent;
}
.tw-act-btn:active {
  border-color: var(--tw-accent);
  color: var(--tw-text);
  transform: scale(0.97);
}
.tw-act-btn.warn {
  border-color: color-mix(in srgb, var(--tw-red) 35%, transparent);
  color: var(--tw-red);
}
.tw-act-btn.ok {
  border-color: color-mix(in srgb, var(--tw-green) 35%, transparent);
  color: var(--tw-green);
}

/* ============================================================
   Input Bar — safe area + iPhone feel
   ============================================================ */

/* --- Action Log --- */
.tw-log-bar {
  border-top: 0.5px solid var(--tw-border);
  background: color-mix(in srgb, var(--tw-bg) 96%, transparent);
  flex-shrink: 0;
  z-index: 99;
  max-height: 40vh;
  overflow: hidden;
  transition: max-height 0.3s var(--tw-trans);
}
.tw-log-bar.open { max-height: 40vh; overflow-y: auto; }

.tw-log-toggle {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 14px; cursor: pointer; user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.tw-log-toggle:active { background: var(--tw-surface2); }

.tw-log-last {
  font-size: 10px; color: var(--tw-muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  flex: 1; margin-right: 6px;
}
.tw-log-arrow {
  font-size: 10px; color: var(--tw-faint);
  transition: transform 0.2s;
  flex-shrink: 0;
}
.tw-log-bar.open .tw-log-arrow { transform: rotate(90deg); }

.tw-log-list {
  display: none; padding: 0 14px 8px;
  font-size: 10px; font-family: var(--tw-mono);
  color: var(--tw-muted); line-height: 1.6;
  max-height: 30vh; overflow-y: auto;
}
.tw-log-bar.open .tw-log-list { display: block; }

.tw-log-entry {
  padding: 3px 0; border-bottom: 0.5px solid color-mix(in srgb, var(--tw-border) 30%, transparent);
  display: flex; gap: 6px; align-items: baseline;
}
.tw-log-entry:last-child { border-bottom: none; }
.tw-log-time { color: var(--tw-faint); flex-shrink: 0; font-size: 9px; }
.tw-log-agent { flex-shrink: 0; font-weight: 600; font-size: 9px; padding: 0 4px; border-radius: 3px; }
.tw-log-agent.kilo { color: var(--tw-brand); background: var(--tw-brand-glow); }
.tw-log-agent.nika { color: var(--tw-green); background: color-mix(in srgb, var(--tw-green) 12%, transparent); }
.tw-log-action { color: var(--tw-muted); flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tw-log-result { flex-shrink: 0; font-size: 9px; }
.tw-log-result.ok { color: var(--tw-green); }
.tw-log-result.err { color: var(--tw-red); }
.tw-input-bar {
  border-top: 0.5px solid var(--tw-border);
  background: color-mix(in srgb, var(--tw-bg) 92%, transparent);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  flex-shrink: 0;
  z-index: 100;
  padding-bottom: max(8px, env(safe-area-inset-bottom, 8px));
}

.tw-input-row {
  display: flex;
  gap: 8px;
  padding: 8px 14px 10px;
  align-items: flex-end;
}

.tw-input-row textarea {
  flex: 1;
  background: var(--tw-surface2);
  border: 1px solid var(--tw-border);
  border-radius: 20px;
  padding: 10px 16px;
  font-size: 15px;
  color: var(--tw-text);
  outline: none;
  resize: none;
  max-height: 100px;
  font-family: var(--tw-font);
  line-height: 1.4;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
  caret-color: var(--tw-accent);
}
.tw-input-row textarea:focus {
  border-color: var(--tw-accent);
  box-shadow: 0 0 0 3px rgba(91,141,239,.12);
}
.tw-input-row textarea::placeholder {
  color: var(--tw-faint);
  opacity: 0.7;
}

.tw-send {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--tw-accent);
  color: #fff;
  font-size: 17px;
  font-weight: 500;
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
  -webkit-tap-highlight-color: transparent;
  box-shadow: 0 2px 8px rgba(91,141,239,.25);
}
.tw-send:disabled { opacity: 0.35; box-shadow: none; }
.tw-send:active { transform: scale(0.92); opacity: 0.8; box-shadow: 0 1px 4px rgba(91,141,239,.15); }

/* ============================================================
   Toast
   ============================================================ */
.tw-toast {
  position: fixed;
  bottom: 90px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--tw-surface2);
  border: 0.5px solid var(--tw-border);
  border-radius: var(--tw-radius-sm);
  padding: 8px 18px;
  font-size: 12px;
  font-weight: 500;
  z-index: 999;
  pointer-events: none;
  box-shadow: 0 4px 16px rgba(0,0,0,.4);
  animation: twToastIn 0.3s var(--tw-trans), twToastOut 0.3s var(--tw-trans) 2.5s forwards;
}
.tw-toast.err { border-color: var(--tw-red); color: var(--tw-red); }

@keyframes twToastIn  { from { opacity: 0; transform: translateX(-50%) translateY(12px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }
@keyframes twToastOut { from { opacity: 1; transform: translateX(-50%) translateY(0); } to { opacity: 0; transform: translateX(-50%) translateY(12px); } }

/* ============================================================
   iPhone 15 specific — 393×852 viewport
   ============================================================ */
@media (max-width: 430px) and (min-height: 800px) {
  .tw-welcome { padding: 22px 14px; }
  .tw-welcome h3 { font-size: 18px; }
  .tw-welcome p { font-size: 13px; }
  .tw-quick { max-width: 100%; gap: 5px; }
  .tw-qbtn { font-size: 11px; padding: 8px 4px; }
  .tw-msg { max-width: 88%; font-size: 14px; }
  .tw-input-row textarea { font-size: 16px; }
}