/* Nodecraft Remote — mobile-first chat + batch UI */
:root, html, body {
  --bg: #0f1115 !important;
  --bg2: #181b21 !important;
  --bg3: #232730 !important;
  --border: #2a2f3a !important;
  --text: #e4e6eb !important;
  --text2: #9ca3af !important;
  --accent: #7c6aff !important;
  --accent2: #a78bfa !important;
  --green: #10b981 !important;
  --red: #ef4444 !important;
  --yellow: #f59e0b !important;
  --blue: #3b82f6 !important;
  background: #0f1115 !important;
  color: #e4e6eb !important;
  color-scheme: dark !important;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
button, input, select, textarea, label, a, .tab, .btn-big, .btn-icon, .btn-send, .angle-card, .topic-card {
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
}
input, textarea { -webkit-user-select: text; user-select: text; }
html, body {
  margin: 0;
  height: 100%;
  font-family: -apple-system, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  overflow: hidden;
}

.app {
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg2);
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}
.logo { font-size: 22px; }
.title { font-weight: 700; font-size: 15px; }
.subtitle { font-size: 11px; color: var(--text2); margin-top: 1px; }

.btn-icon {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text2);
  width: 44px;
  height: 44px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 18px;
  transition: background 0.1s, border-color 0.1s;
}
.btn-icon:active { background: var(--bg); }

/* Tabs */
.tabs {
  display: flex;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.tab {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text2);
  padding: 14px 8px;
  font-size: 14px;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: background 0.1s, color 0.1s;
  min-height: 48px;
}
.tab:active { background: var(--bg3); }
.tab-active {
  color: var(--accent2);
  border-bottom-color: var(--accent);
  background: rgba(124, 106, 255, 0.06);
}

/* Panels */
.panel {
  flex: 1;
  display: none;
  flex-direction: column;
  overflow: hidden;
}
.panel-active { display: flex; }

/* Form (Batch + Topics panels) */
.form-section {
  flex: 1;
  overflow-y: auto;
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.form-section::-webkit-scrollbar { width: 6px; }
.form-section::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-field label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text2);
  font-weight: 600;
}
.form-field input, .form-field textarea, .form-field select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 11px 12px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.form-field textarea {
  resize: vertical;
  min-height: 56px;
}
.form-field select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M6 8L0 0h12z' fill='%239ca3af'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124, 106, 255, 0.18);
}
.form-field .hint {
  font-size: 11px;
  color: var(--text2);
  margin-top: 2px;
  line-height: 1.4;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* Buttons */
.btn-big {
  width: 100%;
  padding: 15px 18px;
  font-size: 15px;
  font-weight: 700;
  border-radius: 10px;
  border: 2px solid;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.1s, border-color 0.1s, opacity 0.1s;
  min-height: 50px;
}
.btn-big:active { opacity: 0.75; }
.btn-big:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}
.btn-primary:active { background: var(--accent2); border-color: var(--accent2); }
@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover { background: var(--accent2); border-color: var(--accent2); }
}
.btn-success {
  background: rgba(16, 185, 129, 0.18);
  border-color: var(--green);
  color: #6ee7b7;
}
.btn-success:active { background: rgba(16, 185, 129, 0.28); }
.btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

/* Section divider */
.section-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 8px 0;
}
.section-divider .line {
  flex: 1;
  height: 1px;
  background: var(--border);
}
.section-divider .label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent2);
  font-weight: 700;
}

.angles-section { display: flex; flex-direction: column; gap: 12px; }
.angles-section.hidden, .progress-log.hidden { display: none; }
.hidden { display: none !important; }

/* Angle card */
.angle-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  cursor: pointer;
  transition: background 0.1s, border-color 0.1s;
}
.angle-card:active { background: var(--bg3); }
.angle-card:has(.cb:checked) { border-color: var(--green); background: rgba(16, 185, 129, 0.06); }
.angle-card .cb {
  margin-top: 2px;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  accent-color: var(--green);
  cursor: pointer;
}
.angle-card .body {
  flex: 1;
  min-width: 0;
}
.angle-card .title-vi {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  word-wrap: break-word;
}
.angle-card .title-en {
  font-size: 11px;
  color: var(--text2);
  font-style: italic;
  margin-top: 4px;
}
.angle-card .slug {
  font-size: 10.5px;
  color: var(--yellow);
  font-family: 'SF Mono', Consolas, monospace;
  margin-top: 4px;
  word-break: break-all;
}
.angle-card .status {
  font-size: 11px;
  margin-top: 6px;
  font-weight: 600;
}
.angle-card .status.queued { color: var(--yellow); }
.angle-card .status.processing { color: var(--blue); }
.angle-card .status.done { color: var(--green); }
.angle-card .status.error { color: var(--red); }

/* Progress entries */
.progress-entry {
  font-size: 12px;
  font-family: 'SF Mono', Consolas, monospace;
  color: var(--text2);
  padding: 4px 8px;
  border-left: 2px solid var(--border);
  margin: 2px 0;
}
.progress-entry.success { color: #6ee7b7; border-left-color: var(--green); }
.progress-entry.error { color: #fca5a5; border-left-color: var(--red); }
.progress-entry.warn { color: #fcd34d; border-left-color: var(--yellow); }

/* Topic card */
.topic-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  margin: 8px 0;
}
.topic-card .slug { font-weight: 600; word-break: break-all; }
.topic-card .meta { font-size: 11px; color: var(--text2); margin-top: 4px; }
.topic-card .actions { display: flex; gap: 6px; margin-top: 10px; }
.topic-card .actions button {
  flex: 1;
  padding: 12px 10px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid;
  background: transparent;
  cursor: pointer;
  font-family: inherit;
  min-height: 44px;
}
.topic-card .actions button:active { opacity: 0.7; }

.btn-mini {
  padding: 11px 16px;
  font-size: 13px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text2);
  cursor: pointer;
  font-family: inherit;
  margin-top: 6px;
  align-self: flex-start;
  min-height: 40px;
}
.btn-mini:active { background: var(--bg3); color: var(--text); }
.topic-card .btn-action-meta { border-color: var(--blue); color: #93c5fd; }
.topic-card .btn-action-srt { border-color: var(--yellow); color: var(--yellow); }

.empty-state {
  text-align: center;
  padding: 30px 20px;
  color: var(--text2);
  font-size: 13px;
  font-style: italic;
}

/* Scene card với video preview */
.scene-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  margin: 10px 0;
  transition: border-color 0.15s, background 0.15s;
}
.scene-card.has-video {
  border-color: var(--green);
  background: rgba(16, 185, 129, 0.06);
}
.scene-card.has-meta {
  border-color: var(--yellow);
  background: rgba(245, 158, 11, 0.06);
}
.scene-card.expanded { background: var(--bg2); }
.scene-card.has-video.expanded { background: rgba(16, 185, 129, 0.1); }
.scene-card.has-meta.expanded { background: rgba(245, 158, 11, 0.1); }
.scene-head { cursor: pointer; }
.scene-head[data-toggle="1"]:active { opacity: 0.85; }
.scene-head[data-toggle="0"] { cursor: default; }
.scene-head-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.scene-toggle {
  color: var(--text2);
  font-size: 11px;
  flex-shrink: 0;
  width: 14px;
  text-align: center;
}
.scene-body { margin-top: 10px; }
.meta-videos { display: flex; flex-direction: column; gap: 10px; margin-top: 10px; }
.meta-video-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
}
.meta-video {
  width: 100%;
  max-height: 240px;
  border-radius: 6px;
  background: #000;
  object-fit: contain;
}
.meta-video-picked { border: 2px solid var(--green); }
.btn-pick {
  width: 100%;
  padding: 11px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(124, 106, 255, 0.18);
  border: 2px solid var(--accent);
  color: var(--accent2);
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  min-height: 44px;
}
.btn-pick:active { background: rgba(124, 106, 255, 0.32); }
.btn-pick:disabled { opacity: 0.6; }

/* CHAT panel */
.chat {
  flex: 1;
  overflow-y: auto;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.msg { display: flex; max-width: 85%; }
.msg-user { align-self: flex-end; flex-direction: row-reverse; }
.msg-bot { align-self: flex-start; }
.msg-bubble {
  padding: 9px 13px;
  border-radius: 14px;
  line-height: 1.5;
  word-wrap: break-word;
  white-space: pre-wrap;
  font-size: 13.5px;
}
.msg-user .msg-bubble {
  background: var(--accent);
  color: white;
  border-bottom-right-radius: 4px;
}
.msg-bot .msg-bubble {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}
.msg-bot.system .msg-bubble {
  background: rgba(245, 158, 11, 0.12);
  border-color: var(--yellow);
  color: #fcd34d;
  font-style: italic;
  font-size: 12px;
}
.msg-bot.error .msg-bubble {
  background: rgba(239, 68, 68, 0.12);
  border-color: var(--red);
  color: #fca5a5;
}
.msg-bot.success .msg-bubble {
  background: rgba(16, 185, 129, 0.12);
  border-color: var(--green);
  color: #6ee7b7;
}
.msg-bubble code {
  background: rgba(255, 255, 255, 0.08);
  padding: 1px 5px;
  border-radius: 3px;
  font-family: 'SF Mono', Consolas, monospace;
  font-size: 12px;
}
.msg-bubble pre {
  background: var(--bg);
  padding: 8px 10px;
  border-radius: 6px;
  font-family: 'SF Mono', Consolas, monospace;
  font-size: 11px;
  margin: 6px 0;
  overflow-x: auto;
  border: 1px solid var(--border);
}

/* Composer (chat input) */
.composer {
  display: flex;
  gap: 8px;
  padding: 10px 12px;
  background: var(--bg3);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
#chat-input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 10px 14px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  outline: none;
}
.btn-send {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  cursor: pointer;
  font-size: 16px;
  font-weight: bold;
}
.btn-send:active { background: var(--accent2); }

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal.hidden { display: none; }
.modal-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 100%;
  max-width: 460px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}
.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.modal-head h3 { margin: 0; font-size: 16px; }
.modal-body { padding: 16px 18px; }
.modal-body label {
  display: block;
  font-size: 11px;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 12px;
  margin-bottom: 6px;
  font-weight: 600;
}
.modal-body input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  outline: none;
}
.modal-body input:focus { border-color: var(--accent); }
.hint {
  font-size: 11px;
  color: var(--text2);
  margin-top: 4px;
  line-height: 1.4;
}
.row {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}
.row > button { flex: 1; padding: 11px 14px; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer; font-family: inherit; border: 2px solid; }
.row .btn-primary { background: var(--accent); border-color: var(--accent); color: white; }
.row .btn-secondary { background: transparent; border-color: var(--border); color: var(--text2); }
.row .btn-secondary:active { color: var(--red); border-color: var(--red); }

/* Mobile-specific tuning */
@media (max-width: 480px) {
  .app { max-width: 100%; }
  .form-section { padding: 12px 10px; }
  .header { padding: 8px 10px; }
  .tab { font-size: 12px; padding: 11px 4px; }
  .form-row { grid-template-columns: 1fr; gap: 14px; }
  .btn-big { padding: 14px 16px; font-size: 15px; }
}