/* =========================================================
   TH SERVICE 공고문 발송 시스템 - 메인 스타일시트
   ========================================================= */
:root{
  --brand:#1e4237;
  --brand-light:#2f6b4f;
  --accent:#3f8a63;
  --accent-dark:#276b48;
  --bg:#f3f6f3;
  --panel:#ffffff;
  --border:#d8e2dc;
  --border-strong:#b9c8bd;
  --text:#26302b;
  --muted:#6b7a70;
  --danger:#c0392b;
  --danger-bg:#fdecea;
  --warn:#a3730a;
  --warn-bg:#fdf3de;
  --ok:#1f8a54;
  --ok-bg:#e7f6ee;
  --preview-bg:#eef2ec;
  --radius:10px;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:"Malgun Gothic","Apple SD Gothic Neo","Noto Sans KR",system-ui,sans-serif;}
a{color:inherit;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;}

.visually-hidden{position:absolute !important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);}

/* ---------- Header ---------- */
#app-header{background:var(--brand);color:#fff;position:sticky;top:0;z-index:40;box-shadow:0 2px 8px rgba(0,0,0,.15);}
.header-inner{max-width:1440px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:14px 20px;flex-wrap:wrap;}
.brand{display:flex;align-items:center;gap:10px;}
.brand i{font-size:22px;color:#a9d8bd;}
.brand h1{font-size:18px;margin:0;font-weight:800;letter-spacing:.02em;}
.brand small{display:block;font-size:11px;color:#bcd8c9;font-weight:500;letter-spacing:.15em;}
.header-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.badge-pill{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);border-radius:999px;
  padding:6px 14px;font-size:12.5px;font-weight:600;color:#eaf4ee;}
.btn{border:1px solid transparent;border-radius:8px;padding:8px 14px;font-size:13px;font-weight:700;
  display:inline-flex;align-items:center;gap:6px;transition:.15s;white-space:nowrap;}
.btn-header{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.3);}
.btn-header:hover{background:rgba(255,255,255,.2);}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-dark);}
.btn-primary:disabled{opacity:.5;cursor:not-allowed;}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--border-strong);}
.btn-ghost:hover{background:#f1f6f2;}
.btn-danger{background:var(--danger-bg);color:var(--danger);border-color:#f0c4bd;}
.btn-danger:hover{background:#fbdcd8;}
.btn-sm{padding:5px 10px;font-size:12px;border-radius:6px;}
.btn-icon{padding:6px 9px;}

/* ---------- Tabs ---------- */
#template-tabs{max-width:1440px;margin:0 auto;display:flex;align-items:center;gap:4px;
  padding:0 20px;overflow-x:auto;background:var(--brand);}
.tab-btn{background:transparent;border:none;color:#cfe4d8;padding:11px 16px;font-size:14px;font-weight:700;
  border-bottom:3px solid transparent;white-space:nowrap;}
.tab-btn:hover{color:#fff;}
.tab-btn.active{color:#fff;border-bottom-color:#8fe3b4;background:rgba(255,255,255,.08);}
.tab-add-btn{background:rgba(255,255,255,.1);color:#fff;border:1px dashed rgba(255,255,255,.4);
  border-radius:6px;padding:6px 10px;font-size:14px;margin-left:6px;}

#tab-toolbar{max-width:1440px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;
  padding:9px 20px;background:#eef2ec;border-bottom:1px solid var(--border);font-size:13px;color:var(--muted);flex-wrap:wrap;gap:8px;}
#tab-toolbar .path{font-weight:600;color:var(--brand);}
#tab-toolbar .actions{display:flex;gap:6px;}

/* ---------- Layout ---------- */
.app-main{max-width:1440px;margin:0 auto;padding:18px 20px 60px;display:grid;
  grid-template-columns:minmax(360px,460px) 1fr;gap:18px;align-items:start;}
@media (max-width:980px){.app-main{grid-template-columns:1fr;}}

.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:16px;}
.card h2{font-size:14.5px;margin:0 0 10px;color:var(--brand);font-weight:800;display:flex;align-items:center;gap:6px;}
.card h2 .num{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;
  background:var(--brand);color:#fff;font-size:11px;}
.card .hint{font-size:11.5px;color:var(--muted);margin-top:8px;line-height:1.5;}

/* ---------- Form fields ---------- */
.field-row{display:flex;flex-direction:column;gap:4px;margin-bottom:10px;}
.field-row label{font-size:12.5px;font-weight:700;color:#3a463f;}
.field-row input[type=text],.field-row input[type=date],.field-row input[type=email],
.field-row input[type=url],.field-row textarea,.field-row select{
  border:1px solid var(--border-strong);border-radius:7px;padding:8px 10px;font-size:13px;color:var(--text);
  background:#fff;}
.field-row input:focus,.field-row textarea:focus,.field-row select:focus{outline:2px solid #a9d8bd;border-color:var(--accent);}
.field-grid{display:grid;gap:10px;}

/* ---------- Recipients ---------- */
.recipient-toolbar{display:flex;gap:8px;margin-bottom:10px;flex-wrap:wrap;}
.recipient-toolbar select,.recipient-toolbar input{flex:1;min-width:110px;border:1px solid var(--border-strong);
  border-radius:7px;padding:7px 9px;font-size:12.5px;}
.channel-select-summary{display:flex;gap:16px;font-size:12.5px;font-weight:700;color:var(--brand);margin-bottom:8px;}
.channel-select-summary i{margin-right:4px;}
.month-classify-row{display:flex;gap:8px;align-items:center;margin-bottom:8px;background:#f5f9f5;
  border:1px solid var(--border);border-radius:8px;padding:8px 10px;flex-wrap:wrap;}
.month-classify-row label{font-size:12.5px;font-weight:800;color:var(--brand);display:flex;align-items:center;gap:6px;white-space:nowrap;}
.month-classify-row select{flex:1;min-width:160px;border:1px solid var(--border-strong);border-radius:7px;padding:7px 9px;font-size:12.5px;}
.month-classify-row .btn{white-space:nowrap;}
.recipient-table-wrap{max-height:360px;overflow:auto;border:1px solid var(--border);border-radius:8px;}
table.recipient-table{width:100%;border-collapse:collapse;font-size:12.5px;}
table.recipient-table thead th{position:sticky;top:0;background:#eef2ec;color:var(--brand);text-align:left;
  padding:8px 8px;font-weight:800;border-bottom:1px solid var(--border);z-index:2;}
table.recipient-table thead th.chk-col{text-align:center;width:44px;font-size:11px;}
table.recipient-table tbody td{padding:7px 8px;border-bottom:1px solid #eef1ee;}
table.recipient-table tbody td.chk-col{text-align:center;}
table.recipient-table tbody tr{cursor:pointer;}
table.recipient-table tbody tr:hover{background:#f5f9f5;}
table.recipient-table tbody tr.active-preview{background:#e4f1ea;}
table.recipient-table td.email-missing{color:var(--danger);font-size:11.5px;}
table.recipient-table .contact-sub{color:var(--muted);font-size:11px;display:block;}
.chk{width:16px;height:16px;accent-color:var(--accent);}
.send-summary-box{background:#eef2ec;border:1px solid var(--border);border-radius:8px;padding:10px 12px;
  font-size:13px;color:var(--brand);font-weight:700;margin-bottom:10px;text-align:center;}

/* ---------- Send section ---------- */
.send-btn-main{width:100%;padding:13px;font-size:15px;border-radius:9px;margin-top:6px;}
.progress-wrap{margin-top:10px;}
.progress-bar{height:8px;background:#e7ede9;border-radius:99px;overflow:hidden;}
.progress-bar > i{display:block;height:100%;background:var(--accent);width:0;transition:.2s;}
.progress-text{font-size:11.5px;color:var(--muted);margin-top:4px;}
.send-log-list{margin-top:10px;max-height:170px;overflow:auto;font-size:12px;border-top:1px dashed var(--border);padding-top:8px;}
.send-log-item{display:flex;justify-content:space-between;gap:8px;padding:4px 2px;border-bottom:1px solid #f1f4f1;}
.send-log-item .st-sent{color:var(--ok);font-weight:700;}
.send-log-item .st-error{color:var(--danger);font-weight:700;}
.send-log-item .st-sending{color:var(--warn);font-weight:700;}

.kakao-preview-box{background:#fef9e0;border:1px solid #f0e2a3;border-radius:8px;padding:12px;font-size:12.5px;
  white-space:pre-wrap;line-height:1.6;color:#4a3f10;max-height:180px;overflow:auto;margin-bottom:10px;}
.kakao-variant-toggle{display:flex;gap:6px;margin-bottom:8px;}
.kakao-variant-toggle button{flex:1;padding:6px;border-radius:6px;border:1px solid var(--border-strong);background:#fff;
  font-size:12px;font-weight:700;}
.kakao-variant-toggle button.active{background:#fee500;border-color:#fee500;color:#3a1d1d;}
.kakao-btn-row{display:flex;gap:8px;}
.kakao-btn-row button{flex:1;}
.btn-kakao{background:#fee500;color:#3a1d1d;border-color:#fee500;}
.btn-kakao:hover{background:#fada00;}
.recipient-mini-actions{font-size:11px;color:var(--muted);margin-top:6px;}

/* ---------- Preview panel ---------- */
.preview-meta{display:flex;flex-direction:column;gap:4px;font-size:12.5px;color:var(--muted);
  border-bottom:1px solid var(--border);padding-bottom:10px;margin-bottom:12px;}
.preview-meta b{color:var(--brand);}
.preview-frame{background:var(--preview-bg);border-radius:8px;padding:18px 6px;overflow-x:auto;}
.preview-footer-hint{font-size:11.5px;color:var(--muted);margin-top:10px;text-align:center;}
.preview-download-row{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap;}
.preview-download-row .btn{flex:1;min-width:140px;}

/* ---------- Stamp upload ---------- */
.stamp-upload-row{display:flex;align-items:center;gap:14px;margin-top:6px;}
.stamp-preview{width:96px;height:96px;border:1px dashed var(--border-strong);border-radius:8px;
  display:flex;align-items:center;justify-content:center;background:#fafcfa;overflow:hidden;flex-shrink:0;}
.stamp-preview span{font-size:11px;color:var(--muted);}
.stamp-preview img{max-width:100%;max-height:100%;object-fit:contain;}
.stamp-upload-actions{display:flex;flex-direction:column;gap:6px;}

/* ---------- Modal ---------- */
.modal-backdrop{position:fixed;inset:0;background:rgba(15,25,20,.55);display:flex;align-items:center;
  justify-content:center;padding:20px;z-index:100;}
.modal-backdrop.hidden{display:none;}
.modal-box{background:#fff;border-radius:12px;max-width:720px;width:100%;max-height:88vh;overflow:auto;
  padding:22px;box-shadow:0 20px 60px rgba(0,0,0,.25);}
.modal-box.modal-wide{max-width:960px;}
.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.modal-head h3{margin:0;font-size:17px;color:var(--brand);font-weight:800;}
.modal-close{background:none;border:none;font-size:20px;color:var(--muted);}
.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px;border-top:1px solid var(--border);padding-top:14px;}

.dyn-list-item{display:flex;gap:6px;margin-bottom:6px;align-items:flex-start;}
.dyn-list-item textarea{flex:1;min-height:44px;}
.dyn-list-item input{flex:1;}
.dyn-list-item .rm-btn{background:var(--danger-bg);color:var(--danger);border:1px solid #f0c4bd;border-radius:6px;
  padding:6px 9px;font-size:12px;}
.section-label{font-size:13px;font-weight:800;color:var(--brand);margin:16px 0 8px;border-bottom:1px solid var(--border);padding-bottom:6px;}

/* recipients manage table */
.manage-table-wrap{max-height:360px;overflow:auto;border:1px solid var(--border);border-radius:8px;margin-top:10px;}
table.manage-table{width:100%;border-collapse:collapse;font-size:12.5px;}
table.manage-table th{position:sticky;top:0;background:#eef2ec;padding:7px;border-bottom:1px solid var(--border);text-align:left;}
table.manage-table td{padding:5px 6px;border-bottom:1px solid #f0f3f0;}
table.manage-table td input{width:100%;border:1px solid var(--border);border-radius:5px;padding:4px 6px;font-size:12px;}

/* history table */
table.history-table{width:100%;border-collapse:collapse;font-size:12px;}
table.history-table th{background:#eef2ec;padding:6px;border-bottom:1px solid var(--border);position:sticky;top:0;text-align:left;}
table.history-table td{padding:6px;border-bottom:1px solid #f1f4f1;}
.status-tag{padding:2px 8px;border-radius:99px;font-size:11px;font-weight:700;}
.status-tag.success{background:var(--ok-bg);color:var(--ok);}
.status-tag.failed{background:var(--danger-bg);color:var(--danger);}

/* toast */
#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:#1e2b24;color:#fff;
  padding:12px 20px;border-radius:8px;font-size:13px;box-shadow:0 8px 24px rgba(0,0,0,.3);z-index:200;
  opacity:0;pointer-events:none;transition:.25s;}
#toast.show{opacity:1;}

/* ---------- Email letter (rendered inside preview) ---------- */
.letter-wrap{font-family:"Malgun Gothic","Apple SD Gothic Neo",sans-serif;}