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

:root {
  --bg: #0f0f0f;
  --bg2: #1a1a1a;
  --bg3: #242424;
  --border: #2e2e2e;
  --text: #e8e8e8;
  --text2: #999;
  --text3: #666;
  --accent: #4f8ef7;
  --red: #e24b4a;
  --red-bg: #2a1515;
  --amber: #ef9f27;
  --amber-bg: #2a2010;
  --green: #4caf76;
  --green-bg: #132215;
  --radius: 8px;
  --radius-lg: 12px;
}

body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); line-height: 1.5; font-size: 14px; }

#app { display: flex; min-height: 100vh; }

/* SIDEBAR */
.sidebar { width: 220px; min-height: 100vh; background: var(--bg2); border-right: 1px solid var(--border); display: flex; flex-direction: column; flex-shrink: 0; }
.sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 20px 16px; border-bottom: 1px solid var(--border); }
.brand-icon { font-size: 20px; }
.brand-name { font-size: 15px; font-weight: 600; color: var(--text); }
.sidebar-nav { padding: 12px 8px; flex: 1; display: flex; flex-direction: column; gap: 2px; }
.nav-btn { display: flex; align-items: center; gap: 10px; width: 100%; padding: 9px 12px; border: none; background: transparent; color: var(--text2); cursor: pointer; border-radius: var(--radius); font-size: 14px; text-align: left; transition: all 0.15s; }
.nav-btn:hover { background: var(--bg3); color: var(--text); }
.nav-btn.active { background: var(--bg3); color: var(--text); font-weight: 500; }
.nav-icon { font-size: 16px; }
.sidebar-footer { padding: 12px 16px; border-top: 1px solid var(--border); display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text3); }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--amber); flex-shrink: 0; }
.status-dot.ok { background: var(--green); }
.status-dot.error { background: var(--red); }

/* CONTENT */
.content { flex: 1; padding: 28px 32px; max-width: 900px; overflow-y: auto; }

/* TABS */
.tab { display: none; }
.tab.active { display: block; }

/* PAGE HEADER */
.page-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 24px; }
.page-header h1 { font-size: 22px; font-weight: 600; }
.page-subtitle { font-size: 13px; color: var(--text2); margin-top: 2px; }

/* BUTTONS */
.btn { padding: 8px 14px; border: 1px solid var(--border); background: var(--bg3); color: var(--text); border-radius: var(--radius); cursor: pointer; font-size: 13px; transition: all 0.15s; white-space: nowrap; }
.btn:hover { background: #2e2e2e; border-color: #444; }
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: #3d7de8; border-color: #3d7de8; }
.btn-danger { border-color: #4a2020; color: var(--red); }
.btn-danger:hover { background: var(--red-bg); }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* STATS GRID */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 24px; }
.stat-card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 14px 16px; }
.stat-label { font-size: 12px; color: var(--text2); margin-bottom: 6px; }
.stat-value { font-size: 28px; font-weight: 600; }
.stat-value.red { color: var(--red); }
.stat-value.amber { color: var(--amber); }
.stat-value.green { color: var(--green); }

/* OFFER CARDS */
.offer-grid { display: flex; flex-direction: column; gap: 10px; }
.offer-card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 14px 16px; transition: border-color 0.2s; }
.offer-card.overflow { border-color: #5a2020; }
.offer-card.almost { border-color: #5a4010; }
.offer-card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 8px; }
.offer-card-title { font-weight: 600; font-size: 15px; }
.offer-card-meta { font-size: 12px; color: var(--text2); margin-top: 2px; }
.offer-card-stats { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text2); margin-bottom: 8px; }
.offer-card-stats b { color: var(--text); }
.badge { display: inline-block; font-size: 11px; font-weight: 500; padding: 2px 8px; border-radius: 5px; }
.badge-overflow { background: #3a1515; color: #f09595; }
.badge-almost { background: #3a2810; color: #fac775; }
.badge-ok { background: #152215; color: #70c988; }
.progress-wrap { background: var(--bg3); border-radius: 4px; height: 6px; overflow: hidden; }
.progress-bar { height: 100%; border-radius: 4px; transition: width 0.4s ease; }
.progress-bar.overflow { background: var(--red); }
.progress-bar.almost { background: var(--amber); }
.progress-bar.ok { background: var(--green); }
.test-controls { display: flex; align-items: center; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.test-controls span { font-size: 11px; color: var(--text3); }
.test-controls button { font-size: 11px; padding: 2px 8px; }

/* PREVIEW BOX */
.preview-box { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 16px; margin-top: 20px; }
.preview-box.hidden { display: none; }
.preview-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; font-size: 13px; color: var(--text2); }
.preview-box pre { font-family: monospace; font-size: 13px; white-space: pre-wrap; color: var(--text); line-height: 1.7; background: var(--bg3); padding: 12px; border-radius: var(--radius); }

/* FORM CARD */
.form-card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; margin-bottom: 16px; }
.form-card h3 { font-size: 15px; font-weight: 600; margin-bottom: 16px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 12px; color: var(--text2); }
.form-group small { font-size: 11px; color: var(--text3); margin-top: 2px; }
input, select, textarea { background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); font-size: 13px; padding: 8px 10px; width: 100%; outline: none; transition: border-color 0.15s; font-family: inherit; }
input:focus, select:focus { border-color: var(--accent); }
select option { background: var(--bg3); }
.form-actions { display: flex; align-items: center; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.test-result { font-size: 12px; }
.test-result.ok { color: var(--green); }
.test-result.err { color: var(--red); }

/* OFFER LIST (management page) */
.offer-list { display: flex; flex-direction: column; gap: 8px; }
.offer-row { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 12px 16px; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.offer-row.inactive { opacity: 0.5; }
.offer-row-info { flex: 1; }
.offer-row-name { font-weight: 500; font-size: 14px; }
.offer-row-meta { font-size: 12px; color: var(--text2); margin-top: 2px; }
.offer-row-actions { display: flex; gap: 6px; }
.chip { display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 4px; margin-left: 6px; }
.chip-keitaro { background: #1a2a3a; color: #7ab0f0; }
.chip-manual { background: var(--bg3); color: var(--text3); }

/* SETTINGS */
.settings-sections { display: flex; flex-direction: column; gap: 0; }
.info-card { background: var(--bg2); border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: var(--radius-lg); padding: 20px; margin-bottom: 16px; }
.info-card h4 { font-size: 14px; font-weight: 600; margin-bottom: 12px; }
.info-card ol { padding-left: 20px; display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--text2); line-height: 1.6; }
.info-card li strong { color: var(--text); }
.info-card code { background: var(--bg3); padding: 1px 5px; border-radius: 3px; font-family: monospace; font-size: 12px; color: var(--accent); }

/* LOGS */
.logs-list { display: flex; flex-direction: column; gap: 6px; }
.log-row { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px 14px; display: flex; align-items: flex-start; gap: 12px; }
.log-time { font-size: 12px; color: var(--text3); min-width: 80px; flex-shrink: 0; padding-top: 1px; }
.log-body { flex: 1; }
.log-offer { font-weight: 500; font-size: 13px; }
.log-meta { font-size: 12px; color: var(--text2); margin-top: 3px; display: flex; gap: 10px; flex-wrap: wrap; }
.log-msg { font-size: 11px; color: var(--text3); margin-top: 5px; font-family: monospace; background: var(--bg3); padding: 6px 8px; border-radius: 4px; white-space: pre-wrap; display: none; }
.log-row:hover .log-msg { display: block; }
.log-tg-ok { color: var(--green); }
.log-tg-err { color: var(--red); }

/* EMPTY STATE */
.empty-state { text-align: center; color: var(--text3); padding: 40px 20px; font-size: 14px; }

/* TOAST */
.toast { position: fixed; bottom: 24px; right: 24px; background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 18px; font-size: 13px; z-index: 999; max-width: 320px; transition: opacity 0.3s; }
.toast.hidden { opacity: 0; pointer-events: none; }
.toast.success { border-color: var(--green); color: var(--green); }
.toast.error { border-color: var(--red); color: var(--red); }

/* TOGGLE */
.toggle { position: relative; display: inline-block; width: 36px; height: 20px; flex-shrink: 0; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider { position: absolute; cursor: pointer; inset: 0; background: var(--bg3); border: 1px solid var(--border); border-radius: 20px; transition: 0.2s; }
.toggle-slider::before { content: ""; position: absolute; height: 14px; width: 14px; left: 2px; bottom: 2px; background: var(--text3); border-radius: 50%; transition: 0.2s; }
.toggle input:checked + .toggle-slider { background: var(--accent); border-color: var(--accent); }
.toggle input:checked + .toggle-slider::before { transform: translateX(16px); background: #fff; }

/* IMPORT MODAL */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.7); display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal-overlay.hidden { display: none; }
.modal-box { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-lg); width: 700px; max-width: 95vw; max-height: 85vh; display: flex; flex-direction: column; }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.modal-filters { display: flex; gap: 8px; padding: 12px 20px 8px; }
.modal-footer { padding: 12px 20px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.import-list { flex: 1; overflow-y: auto; padding: 0 20px; display: flex; flex-direction: column; gap: 4px; }
.import-row { display: flex; align-items: center; gap: 8px; padding: 7px 10px; border-radius: var(--radius); background: var(--bg3); }
.import-row:hover { background: #2a2a2a; }
.import-row.import-added { opacity: 0.5; }

/* OFFER GROUP LABEL */
.offer-group-label { font-size: 11px; font-weight: 500; color: var(--text3); text-transform: uppercase; letter-spacing: 0.5px; padding: 12px 4px 4px; }

/* IMPORT ROWS REDESIGN */
.import-group-header { font-size: 11px; font-weight: 600; color: var(--text3); text-transform: uppercase; letter-spacing: 0.5px; padding: 10px 4px 4px; border-top: 1px solid var(--border); margin-top: 4px; }
.import-group-header:first-child { border-top: none; margin-top: 0; }
.import-group-header span { font-weight: 400; }
.import-row { display: flex; align-items: center; gap: 10px; padding: 6px 8px; border-radius: 6px; transition: background 0.1s; }
.import-row:hover:not(.import-added) { background: var(--bg3); }
.import-row.import-added { opacity: 0.45; }
.import-row input[type="checkbox"] { flex-shrink: 0; width: 15px; height: 15px; cursor: pointer; accent-color: var(--accent); }
.import-row-info { flex: 1; min-width: 0; }
.import-row-name { font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--text); }
.import-row-meta { display: flex; gap: 5px; margin-top: 2px; flex-wrap: wrap; }
.import-tag { font-size: 11px; background: var(--bg3); color: var(--text2); padding: 1px 6px; border-radius: 4px; }
.import-cap-input { width: 72px !important; padding: 4px 6px !important; font-size: 12px !important; flex-shrink: 0; text-align: center; }
.import-added-label { font-size: 11px; color: var(--green); white-space: nowrap; flex-shrink: 0; }