/* TalentShop Studio, Giao diện Tông Trắng Sáng, Xanh Dương & Mobile Responsive (< 200 LOC) */
:root {
  --bg: #F4F7FB;
  --panel: #FFFFFF;
  --panel-alt: #EFF6FF;
  --border: #CBD5E1;
  --text: #0F172A;
  --muted: #475569;
  --primary: #2563EB;
  --primary-hover: #1D4ED8;
  --green: #16A34A;
  --radius: 16px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  overflow-x: hidden; max-width: 100vw;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.55; font-size: 16px;
}
body { padding-bottom: 56px; }
.topbar {
  display: flex; flex-direction: column; gap: 10px; padding: 14px 24px;
  background: var(--panel); border-bottom: 2px solid #E2E8F0;
  position: sticky; top: 0; z-index: 50; box-shadow: 0 2px 10px rgba(15, 23, 42, 0.05);
}
.topbar-main { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.brand-logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 800; font-size: 1.2rem; flex-shrink: 0; }
.brand-svg { width: 36px; height: 36px; flex-shrink: 0; border-radius: 9px; }
.brand-wordmark { color: var(--primary); letter-spacing: -0.02em; }
.brand-group { display: flex; flex-direction: column; gap: 2px; }
.sub-head { font-size: 0.9rem; color: var(--muted); }
.nav-links { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.lang-switch { display: inline-flex; background: #E2E8F0; padding: 3px; border-radius: 10px; gap: 4px; }
.lang-btn { border: none; background: transparent; color: var(--text); font-weight: 700; padding: 6px 10px; border-radius: 8px; cursor: pointer; font-size: 0.88rem; white-space: nowrap; }
.lang-btn.active { background: var(--primary); color: #FFFFFF; }
.back-btn { color: var(--primary); text-decoration: none; font-weight: 700; font-size: 0.9rem; padding: 7px 12px; border-radius: 10px; border: 2px solid #BFDBFE; background: #EFF6FF; white-space: nowrap; }
.back-btn:hover { background: #DBEAFE; }
.container { max-width: 1280px; margin: 0 auto; padding: 22px 18px; display: flex; flex-direction: column; gap: 24px; }
.studio-section { background: var(--panel); border: 2px solid #E2E8F0; border-radius: var(--radius); padding: 22px; box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04); max-width: 100%; }
.section-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px; margin-bottom: 18px; border-bottom: 2px solid #F1F5F9; padding-bottom: 14px; }
.step-badge-wrap { display: flex; align-items: flex-start; gap: 12px; }
.step-num { background: var(--primary); color: #FFFFFF; font-weight: 800; font-size: 1rem; padding: 7px 14px; border-radius: 99px; white-space: nowrap; flex-shrink: 0; }
.muted-text { font-size: 0.94rem; color: var(--muted); margin-top: 2px; }
.field-label { font-weight: 700; font-size: 0.96rem; color: var(--text); margin-bottom: 10px; }
.drop-zone-card { background: var(--panel-alt); border: 2px dashed #60A5FA; border-radius: 16px; padding: 16px; margin-bottom: 18px; display: flex; flex-direction: column; gap: 12px; }
.drop-zone-top { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.drop-actions-row { display: flex; flex-wrap: wrap; gap: 8px; }
.batch-status-box { background: #DCFCE7; border: 1px solid #86EFAC; color: #14532D; padding: 10px 14px; border-radius: 12px; font-size: 0.9rem; }
.mode-switch-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.compact-row { margin-bottom: 0 !important; }
.step2-head-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.preset-row, .channel-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.preset-btn, .plat-tab, .btn {
  background: #F8FAFC; color: var(--text); border: 2px solid var(--border); min-height: 44px;
  padding: 9px 14px; border-radius: 12px; cursor: pointer; font-size: 0.92rem; font-weight: 700;
  transition: 0.15s; display: inline-flex; align-items: center; justify-content: center; text-align: center;
}
.preset-btn:hover, .plat-tab:hover, .btn-secondary:hover { border-color: var(--primary); background: var(--panel-alt); }
.preset-btn.active, .plat-tab.active, .btn-primary { background: var(--primary); color: #FFFFFF; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); }
.dna-grid, .form-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.edit-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.field-group { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field-group label { font-size: 0.92rem; color: var(--text); font-weight: 700; }
input[type="text"], input[type="time"], input[type="date"], select, textarea {
  background: #FFFFFF; color: var(--text); border: 2px solid var(--border);
  border-radius: 12px; padding: 10px 12px; font-size: 16px !important; width: 100%; max-width: 100%; font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); background: #F8FAFC; }
.time-pick-row { display: flex; gap: 8px; flex-wrap: wrap; }
.region-choices { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.region-card { display: flex; align-items: flex-start; gap: 10px; padding: 12px; border: 2px solid var(--border); border-radius: 12px; cursor: pointer; background: #F8FAFC; }
.region-card.active { border-color: var(--primary); background: var(--panel-alt); }
.region-card strong { display: block; font-size: 0.94rem; color: var(--text); }
.region-card span { font-size: 0.82rem; color: var(--muted); }
.active-post-highlight { font-size: 0.96rem; color: var(--primary); font-weight: 700; margin-top: 2px; }
.auto-config-pill { background: #DCFCE7; color: #166534; font-weight: 700; font-size: 0.84rem; padding: 7px 12px; border-radius: 14px; border: 1px solid #86EFAC; max-width: 100%; }
.split-builder, .preview-grid { display: grid; grid-template-columns: 340px 1fr; gap: 24px; align-items: start; }
.video-preview-col, .post-preview-col { min-width: 0; width: 100%; }
.phone-frame-9x16, .phone-9x16 {
  position: relative; background: linear-gradient(165deg, #1E3A8A, #0F172A); color: #FFFFFF;
  border-radius: 24px; padding: 16px; border: 4px solid #1E293B; overflow: hidden;
  max-width: 320px; width: 100%; margin: 0 auto; min-height: 440px;
  display: flex; flex-direction: column; justify-content: space-between; gap: 8px;
}
.watermark-top { background: rgba(15, 23, 42, 0.78); color: #F8FAFC; font-size: 0.72rem; font-weight: 700; padding: 4px 10px; border-radius: 99px; align-self: flex-end; border: 1px solid rgba(255,255,255,0.22); z-index: 2; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.watermark-diagonal { position: absolute; top: 48%; left: -10%; width: 120%; text-align: center; transform: rotate(-18deg); font-size: 0.78rem; font-weight: 900; letter-spacing: 1.5px; color: rgba(255, 255, 255, 0.08); pointer-events: none; z-index: 1; }
.video-screen-body { position: relative; z-index: 2; display: flex; flex-direction: column; gap: 8px; margin: 4px 0; }
.video-pill-row { display: flex; justify-content: space-between; gap: 6px; flex-wrap: wrap; }
.video-ratio-tag, .voice-lang-tag { background: rgba(37, 99, 235, 0.92); color: #fff; padding: 4px 9px; border-radius: 99px; font-size: 0.75rem; font-weight: 700; }
.video-prod-title { font-size: 1.08rem; color: #FDE047; line-height: 1.35; }
.video-visual-note { font-size: 0.82rem; color: #E2E8F0; }
.shots-container { display: flex; flex-direction: column; gap: 6px; }
.shot-item { background: rgba(15, 23, 42, 0.62); padding: 7px 10px; border-radius: 10px; font-size: 0.82rem; line-height: 1.4; }
.voice-script-box { background: rgba(15, 23, 42, 0.8); border: 1px solid #60A5FA; padding: 9px 11px; border-radius: 12px; font-size: 0.84rem; }
.voice-script-head { font-weight: 700; color: #93C5FD; margin-bottom: 3px; font-size: 0.8rem; }
.watermark-floating { background: rgba(15, 23, 42, 0.75); color: #E2E8F0; font-size: 0.72rem; padding: 4px 9px; border-radius: 8px; align-self: flex-start; z-index: 2; max-width: 100%; }
.btn-voice-big { width: 100%; margin-top: 12px; background: var(--primary); color: #FFFFFF; min-height: 50px; border: none; padding: 14px 16px; border-radius: 14px; font-size: 1rem; font-weight: 800; cursor: pointer; }
.btn-voice-big:hover { background: var(--primary-hover); }
.voice-status-msg { font-size: 0.88rem; color: var(--primary); font-weight: 700; margin-top: 6px; min-height: 22px; text-align: center; }
.preview-device-card { background: #F8FAFC; border: 2px solid var(--border); border-radius: 16px; padding: 16px; margin-bottom: 14px; }
.preview-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; flex-wrap: wrap; gap: 8px; }
.platform-pill { color: #FFFFFF; padding: 4px 12px; border-radius: 99px; font-size: 0.8rem; font-weight: 700; }
.schedule-badge { font-size: 0.85rem; font-weight: 700; color: var(--primary); }
.preview-caption-box pre { white-space: pre-wrap; word-break: break-word; font-family: inherit; font-size: 0.95rem; color: var(--text); margin-bottom: 12px; }
.preview-footer-meta { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 0.84rem; color: var(--muted); }
.cta-preview-btn { background: var(--primary); color: #FFFFFF; border: none; padding: 8px 14px; border-radius: 8px; font-weight: 700; }
.custom-drawer { background: var(--panel-alt); border: 2px solid #93C5FD; border-radius: 14px; padding: 14px 16px; }
.retouch-box { background: #F0F9FF; border: 2px solid #93C5FD; border-radius: 16px; padding: 14px; margin-bottom: 16px; display: flex; flex-direction: column; gap: 10px; }
.retouch-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; color: #1E40AF; font-size: 0.94rem; }
.retouch-input-row { display: flex; gap: 8px; flex-wrap: wrap; }
.retouch-input-row input[type="text"] { flex: 1; min-width: 220px; }
.retouch-status { background: #DCFCE7; border: 1px solid #86EFAC; color: #14532D; padding: 8px 12px; border-radius: 10px; font-size: 0.85rem; }
.btn-sm { min-height: 36px !important; padding: 6px 10px !important; font-size: 0.82rem !important; }
.chip-btn { min-height: 38px !important; padding: 6px 11px !important; font-size: 0.84rem !important; }
.custom-drawer summary { font-weight: 800; color: var(--primary-hover); cursor: pointer; font-size: 0.96rem; list-style: none; }
.drawer-body { margin-top: 14px; display: flex; flex-direction: column; gap: 14px; border-top: 1px solid #BFDBFE; padding-top: 14px; }
.edit-actions-row { display: flex; gap: 10px; flex-wrap: wrap; }
.big-cta-grid { display: flex; gap: 16px; margin-bottom: 18px; width: 100%; }
.btn-cta-huge { flex: 1; min-height: 56px; border: none; border-radius: 16px; padding: 18px 20px; color: #FFFFFF; font-size: 1.12rem; font-weight: 800; cursor: pointer; text-align: left; display: flex; flex-direction: column; gap: 5px; box-shadow: 0 6px 18px rgba(37, 99, 235, 0.18); }
.btn-cta-huge small { font-size: 0.88rem; font-weight: 500; opacity: 0.95; }
.btn-cta-green { background: linear-gradient(135deg, #16A34A, #15803D); }
.btn-cta-blue { background: linear-gradient(135deg, #2563EB, #1D4ED8); }
.publish-banner { background: #DCFCE7; border: 2px solid #22C55E; color: #14532D; padding: 14px 16px; border-radius: 12px; font-weight: 700; margin-bottom: 18px; }
.week-schedule-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.week-badge { font-size: 0.88rem; color: var(--muted); font-weight: 600; }
.weekly-grid, .week-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; }
.day-card { background: #F8FAFC; border: 2px solid var(--border); border-radius: 14px; padding: 10px; cursor: pointer; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.day-card.selected { border-color: var(--primary); background: var(--panel-alt); }
.day-card-top { display: flex; justify-content: space-between; align-items: center; gap: 4px; font-size: 0.8rem; font-weight: 800; color: var(--primary); }
.day-status-ok { background: #DCFCE7; color: #166534; padding: 2px 6px; border-radius: 99px; font-size: 0.72rem; white-space: nowrap; }
.day-format-badge { display: inline-block; background: #DBEAFE; color: #1E40AF; font-size: 0.74rem; font-weight: 800; padding: 3px 7px; border-radius: 8px; align-self: flex-start; }
.day-card h5 { font-size: 0.9rem; color: var(--text); word-break: break-word; }
.day-card p { font-size: 0.78rem; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.day-card-controls { margin-top: auto; display: flex; flex-direction: column; gap: 5px; padding-top: 4px; border-top: 1px dashed #CBD5E1; }
.day-fmt-toggle { background: #FFFFFF; color: var(--primary); border: 1px solid #93C5FD; border-radius: 8px; padding: 4px 6px; font-size: 0.74rem; font-weight: 700; cursor: pointer; }
.day-fmt-toggle:hover { background: var(--primary); color: #FFFFFF; }
.day-schedule-row { display: flex; flex-direction: column; gap: 4px; }
.day-date-input, .day-time-input { padding: 4px 6px !important; font-size: 12px !important; border-radius: 7px !important; border: 1px solid var(--border) !important; }
@media (max-width: 960px) { .weekly-grid, .week-grid, .mode-switch-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 820px) {
  .split-builder, .preview-grid, .mode-switch-grid { grid-template-columns: 1fr; }
  .phone-frame-9x16, .phone-9x16 { max-width: 280px; width: 100%; margin: 0 auto; }
}
@media (max-width: 768px) {
  .dna-grid, .form-grid-3, .edit-grid-2, .region-choices { grid-template-columns: 1fr; }
  .big-cta-grid, .drop-actions-row { flex-direction: column; width: 100%; }
  .btn-cta-huge, .drop-actions-row .btn, .edit-actions-row .btn, #apply-dna-btn { width: 100%; min-height: 48px; }
}
@media (max-width: 640px) {
  .topbar { padding: 10px 14px; gap: 8px; }
  .topbar-main, .nav-links { width: 100%; justify-content: space-between; gap: 6px; }
  .lang-btn, .back-btn { padding: 5px 8px; font-size: 0.82rem; }
  .container { padding: 14px 12px; gap: 16px; }
  .studio-section { padding: 16px 14px; }
  .preset-row, .channel-tabs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .preset-btn, .plat-tab { width: 100%; min-height: 44px; padding: 8px 10px; font-size: 0.86rem; }
}
@media (max-width: 560px) { .weekly-grid, .week-grid { grid-template-columns: 1fr; } }