/**
 * Flow Studio styles. Brand tokens mirror the core plugin palette.
 */
:root {
    --tas-navy: #0B1220;
    --tas-blue: #2563EB;
    --tas-green: #10B981;
    --tas-bg: #F3F4F6;
    --tas-text: #1f2937;
    --tas-muted: #6b7280;
    --tas-border: #e5e7eb;
    --tas-radius: 12px;
}

.tas-flow { max-width: 1100px; margin: 0 auto; color: var(--tas-text); font-size: 15px; line-height: 1.55; }
.tas-flow .tas-card { background: #fff; border: 1px solid var(--tas-border); border-radius: var(--tas-radius); padding: 20px; margin: 16px 0; box-shadow: 0 1px 3px rgba(11,18,32,.06); }
.tas-flow-title { margin: 0; color: var(--tas-navy); font-size: 28px; letter-spacing: -.01em; }
.tas-flow-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; }
.tas-flow .tas-muted { color: var(--tas-muted); }
.tas-flow .tas-plan-badge { display: inline-block; background: #e8f5ee; color: #0c6b3f; border: 1px solid #bfe6cf; border-radius: 999px; padding: 4px 12px; font-weight: 600; font-size: 13px; }

.tas-flow-notice { background: #eff6ff; border: 1px solid #bfdbfe; color: #1e3a8a; border-radius: var(--tas-radius); padding: 12px 16px; margin: 12px 0; font-size: 14px; }
.tas-flow-error { color: #b91c1c !important; font-weight: 600; }
.tas-flow-status { min-height: 1.4em; margin: 8px 0 0; }

.tas-flow-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 10px 0; }
.tas-flow-wrap { flex-wrap: wrap; }
.tas-flow-row label { font-weight: 600; font-size: 14px; }
.tas-flow input[type="text"], .tas-flow input[type="number"], .tas-flow select, .tas-flow textarea {
    border: 1px solid var(--tas-border); border-radius: 8px; padding: 9px 12px; font-size: 15px;
    max-width: 100%; background: #fff; color: var(--tas-text);
}
.tas-flow textarea { width: 100%; resize: vertical; }
.tas-flow label { display: block; font-weight: 600; font-size: 14px; margin: 10px 0 4px; }
.tas-flow-row label { display: inline; margin: 0; }

.tas-btn { display: inline-block; border: none; border-radius: 8px; padding: 10px 18px; font-size: 15px; font-weight: 600; cursor: pointer; text-decoration: none; }
.tas-btn-primary { background: var(--tas-blue); color: #fff; }
.tas-btn-primary:hover { background: #1d4ed8; color: #fff; }
.tas-btn-secondary { background: #fff; color: var(--tas-navy); border: 1px solid var(--tas-border); }
.tas-btn-secondary:hover { border-color: var(--tas-blue); color: var(--tas-blue); }
.tas-btn-ghost { background: transparent; color: var(--tas-muted); }
.tas-btn-ghost:hover { color: #b91c1c; }
.tas-btn:disabled { opacity: .55; cursor: wait; }

.tas-flow-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin: 16px 0 0; border-bottom: 2px solid var(--tas-border); }
.tas-flow-tab { background: none; border: none; padding: 10px 16px; font-size: 15px; font-weight: 600; color: var(--tas-muted); cursor: pointer; border-bottom: 3px solid transparent; margin-bottom: -2px; }
.tas-flow-tab.is-active { color: var(--tas-blue); border-bottom-color: var(--tas-blue); }
.tas-flow-panel { display: none; }
.tas-flow-panel.is-active { display: block; }

.tas-flow-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }

.tas-flow-char { border: 1px solid var(--tas-border); border-radius: 10px; padding: 14px; margin: 14px 0; background: #fafbfc; }
.tas-flow-char-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }

.tas-flow-lock { display: grid; grid-template-columns: auto 1fr 2fr auto auto; gap: 10px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--tas-border); }
.tas-flow-lock label { margin: 0; font-weight: 600; }
.tas-flow-lock input[type="checkbox"] { width: 18px; height: 18px; }

.tas-flow-tl-row { display: flex; gap: 12px; padding: 6px 0; border-bottom: 1px dashed var(--tas-border); font-size: 14px; }
.tas-flow-tl-row strong { min-width: 44px; color: var(--tas-navy); }

.tas-flow-clip { border: 1px solid var(--tas-border); border-radius: 10px; padding: 14px; margin: 14px 0; background: #fff; }
.tas-flow-clip-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 8px; flex-wrap: wrap; }
.tas-flow-prompt { white-space: pre-wrap; background: var(--tas-bg); border-radius: 8px; padding: 12px; font-size: 13.5px; max-height: 320px; overflow: auto; margin: 0 0 10px; }
.tas-flow-prompt-edit { width: 100%; margin-bottom: 10px; font-family: inherit; }

.tas-flow-chat { border: 1px solid var(--tas-border); border-radius: 10px; padding: 12px; max-height: 380px; overflow-y: auto; background: #fafbfc; margin-bottom: 10px; }
.tas-flow-msg { margin: 8px 0; padding: 8px 12px; border-radius: 10px; max-width: 85%; }
.tas-flow-msg p { margin: 4px 0 0; white-space: pre-wrap; }
.tas-flow-msg-user { background: #dbeafe; margin-left: auto; }
.tas-flow-msg-assistant { background: #fff; border: 1px solid var(--tas-border); }

@media (max-width: 640px) {
    .tas-flow-lock { grid-template-columns: auto 1fr; }
    .tas-flow-head { flex-direction: column; }
    .tas-flow input[type="text"], .tas-flow select { width: 100%; }
}

/* ============ Video Wizard ============ */
.tas-wiz-label { font-weight: 600; font-size: 0.95rem; }
.tas-wiz-radio { display: inline-flex; align-items: center; gap: 6px; margin: 6px 14px 6px 0; font-weight: 500; cursor: pointer; }
.tas-wiz-radio input { accent-color: var(--tas-blue); }
.tas-wiz-mode.is-active { background: var(--tas-blue); color: #fff; border-color: var(--tas-blue); }
.tas-wiz-result-head { margin: 18px 0 6px; }
.tas-wiz-trim { background: #fffbeb; border: 1px solid #fde68a; color: #92400e; border-radius: 8px; padding: 10px 14px; font-weight: 600; font-size: 0.92rem; }
.tas-wiz-clip { margin: 14px 0; }
.tas-wiz-clip h4 { margin: 0 0 8px; color: var(--tas-navy); }
.tas-wiz-dialogue { white-space: pre-wrap; background: var(--tas-bg); border-radius: 8px; padding: 12px; font-size: 14px; margin: 8px 0; border-left: 3px solid var(--tas-blue); }
.tas-wiz-detail p { margin: 6px 0; }
.tas-wiz-prompt { white-space: pre-wrap; background: var(--tas-bg); border-radius: 8px; padding: 12px; font-size: 13.5px; max-height: 320px; overflow: auto; margin: 10px 0; }
.tas-wiz-how ol { margin: 8px 0 8px 20px; }
.tas-wiz-how li { margin: 6px 0; }