:root {
    --bg: #f4f5f7;
    --surface: #ffffff;
    --border: #e2e4e9;
    --text: #1c1e21;
    --text-muted: #6b7280;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --danger: #dc2626;
    --status-scheduled: #2563eb;
    --status-done: #16a34a;
    --status-cancelled: #9ca3af;
    --radius: 8px;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Malgun Gothic", sans-serif;
    background: var(--bg);
    color: var(--text);
}

.btn {
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: var(--radius);
    padding: 8px 14px;
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
    color: var(--text);
    display: inline-block;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost:hover { background: var(--bg); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-sm { padding: 4px 8px; font-size: 12px; }

/* ---------- login ---------- */
.login-body { display: flex; align-items: center; justify-content: center; height: 100vh; }
.login-card { background: var(--surface); padding: 32px; border-radius: var(--radius); width: 320px; box-shadow: 0 4px 20px rgba(0,0,0,.08); display: flex; flex-direction: column; gap: 12px; }
.login-card h1 { font-size: 18px; margin: 0 0 8px; }
.login-card label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--text-muted); }
.login-card input { padding: 8px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 14px; }
.login-error { color: var(--danger); font-size: 13px; }

/* ---------- topbar ---------- */
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20; }
.topbar h1 { font-size: 18px; margin: 0; }
.topbar-actions { display: flex; gap: 8px; align-items: center; }

/* ---------- summary cards ---------- */
.summary-cards { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; padding: 16px 20px 0; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; display: flex; flex-direction: column; gap: 6px; }
.card-label { font-size: 12px; color: var(--text-muted); }
.card-value { font-size: 22px; font-weight: 700; }

/* ---------- view toggle ---------- */
.view-toggle { display: flex; gap: 8px; padding: 14px 20px 0; }
.view-toggle button { border: 1px solid var(--border); background: var(--surface); padding: 6px 12px; border-radius: 999px; font-size: 13px; cursor: pointer; }
.view-toggle button.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---------- main grid ---------- */
.main-grid { display: grid; grid-template-columns: 68% 32%; gap: 16px; padding: 16px 20px; align-items: start; }
body.view-list .main-grid { grid-template-columns: 30% 70%; }
body.view-list .calendar-pane { max-height: 360px; overflow: hidden; }
body.view-list .calendar-grid { display: none; }
body.view-calendar .bottom-table-section { display: none; }

.calendar-pane, .list-pane { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; }
.calendar-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.calendar-header h2 { flex: 1; text-align: center; font-size: 16px; margin: 0; }
.calendar-weekdays { display: grid; grid-template-columns: repeat(7, 1fr); text-align: center; font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); grid-auto-rows: minmax(90px, auto); gap: 4px; }
.cal-day { border: 1px solid var(--border); border-radius: 6px; padding: 4px; min-height: 90px; cursor: pointer; display: flex; flex-direction: column; gap: 2px; overflow: hidden; }
.cal-day:hover { background: var(--bg); }
.cal-day.other-month { opacity: .4; }
.cal-day.today { border-color: var(--primary); box-shadow: inset 0 0 0 1px var(--primary); }
.cal-day.selected { background: #eff6ff; }
.cal-day-num { font-size: 12px; font-weight: 600; }
.cal-event { font-size: 10.5px; padding: 2px 4px; border-radius: 4px; color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; cursor: pointer; }
.cal-event.status-예정 { background: var(--status-scheduled); }
.cal-event.status-완료 { background: var(--status-done); }
.cal-event.status-취소 { background: var(--status-cancelled); }
.cal-more { font-size: 10px; color: var(--text-muted); }

.list-pane-header h2 { font-size: 15px; margin: 0 0 10px; }
.agenda-list { display: flex; flex-direction: column; gap: 10px; max-height: 640px; overflow-y: auto; }
.agenda-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 10px; cursor: pointer; }
.agenda-card:hover { background: var(--bg); }
.agenda-time { font-size: 12px; color: var(--text-muted); }
.agenda-name { font-weight: 600; font-size: 14px; }
.agenda-company { font-size: 12px; color: var(--text-muted); }
.agenda-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; font-size: 11px; }
.tag { background: var(--bg); border-radius: 4px; padding: 2px 6px; }
.agenda-actions { margin-top: 8px; display: flex; gap: 6px; }
.empty-state { text-align: center; color: var(--text-muted); padding: 30px 10px; }

/* ---------- bottom table ---------- */
.bottom-table-section { margin: 0 20px 24px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; }
.filters-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.filters-bar input, .filters-bar select { padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; }
.table-wrap { overflow-x: auto; }
.crm-table { min-width: 1100px; }
.crm-row { display: grid; grid-template-columns: 130px 90px 120px 90px 100px 110px 90px 70px 90px 100px 80px 70px 70px 110px; gap: 8px; padding: 8px 6px; align-items: center; font-size: 13px; border-bottom: 1px solid var(--border); }
.crm-row-head { font-weight: 600; color: var(--text-muted); font-size: 12px; }
.crm-row span, .crm-row .cell { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.crm-row-body:hover { background: var(--bg); cursor: pointer; }
.status-pill { padding: 2px 6px; border-radius: 4px; font-size: 11px; color: #fff; display: inline-block; }
.status-pill.status-예정 { background: var(--status-scheduled); }
.status-pill.status-완료 { background: var(--status-done); }
.status-pill.status-취소 { background: var(--status-cancelled); }
.card-badge { font-size: 11px; padding: 2px 6px; border-radius: 4px; border: 1px solid var(--border); background: var(--bg); cursor: pointer; }
.row-actions { display: flex; gap: 4px; }
.table-footer { display: flex; justify-content: flex-end; gap: 8px; margin-top: 10px; }

/* ---------- modals ---------- */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.45); align-items: center; justify-content: center; z-index: 100; padding: 20px; }
.modal-overlay.open { display: flex; }
.modal { background: var(--surface); border-radius: var(--radius); width: 100%; max-height: 90vh; display: flex; flex-direction: column; }
.modal-large { max-width: 720px; }
.modal-small { max-width: 380px; }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.modal-header h2 { font-size: 16px; margin: 0; }
.modal-close { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--text-muted); }
.modal-body { padding: 16px 18px; overflow-y: auto; }
.modal-footer { padding: 12px 18px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }

fieldset { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px; padding: 12px; }
legend { font-size: 13px; color: var(--text-muted); padding: 0 6px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.form-grid label, fieldset > label.full-width { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text-muted); }
.form-grid input, .form-grid select, fieldset textarea { padding: 7px 8px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; }
.full-width { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text-muted); margin-top: 10px; }

.contact-suggestions { display: flex; flex-direction: column; gap: 4px; margin: 6px 0; max-height: 140px; overflow-y: auto; }
.contact-suggestion-item { border: 1px solid var(--border); border-radius: 6px; padding: 6px 8px; font-size: 13px; cursor: pointer; }
.contact-suggestion-item:hover { background: var(--bg); }

.card-upload-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.card-upload-box { border: 1px dashed var(--border); border-radius: var(--radius); padding: 10px; text-align: center; }
.card-upload-box.dragover { background: #eff6ff; border-color: var(--primary); }
.card-upload-label { font-size: 12px; color: var(--text-muted); margin: 0 0 6px; }
.card-upload-preview { height: 110px; display: flex; align-items: center; justify-content: center; background: var(--bg); border-radius: 6px; overflow: hidden; color: var(--text-muted); font-size: 12px; }
.card-upload-preview img { max-width: 100%; max-height: 100%; cursor: zoom-in; }
.card-upload-actions { margin-top: 8px; display: flex; gap: 6px; justify-content: center; }
.ocr-row { margin-top: 10px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ocr-status { font-size: 12px; color: var(--text-muted); }

.lightbox-content { position: relative; max-width: 90vw; max-height: 90vh; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.lightbox-content img { max-width: 90vw; max-height: 78vh; border-radius: 6px; }
.lightbox-content .modal-close { position: absolute; top: -30px; right: 0; color: #fff; }

.detail-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 10px; }
.detail-cards img { width: 100%; border-radius: 6px; cursor: zoom-in; border: 1px solid var(--border); }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; font-size: 13px; }
.detail-grid dt { color: var(--text-muted); font-size: 11px; }
.detail-grid dd { margin: 2px 0 0; }

.mobile-fab { display: none; }

/* ---------- mobile ---------- */
@media (max-width: 860px) {
    .summary-cards { grid-template-columns: repeat(3, 1fr); }
    .main-grid, body.view-list .main-grid { grid-template-columns: 1fr; }
    .calendar-grid { grid-auto-rows: minmax(52px, auto); }
    .cal-event { display: none; }
    .cal-day.has-meeting { position: relative; }
    .cal-day.has-meeting::after { content: ""; position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%); width: 5px; height: 5px; border-radius: 50%; background: var(--primary); }
    body.view-calendar .list-pane { margin-top: 10px; }

    .filters-bar { flex-direction: column; }
    .filters-bar input, .filters-bar select { width: 100%; }

    .crm-table { min-width: 0; }
    .crm-row-head { display: none; }
    .crm-row-body { display: block; border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 10px; padding: 10px; }
    .crm-row-body span, .crm-row-body .cell { display: flex; justify-content: space-between; white-space: normal; padding: 3px 0; border-bottom: 1px dashed var(--border); }
    .crm-row-body span::before, .crm-row-body .cell::before { content: attr(data-label); color: var(--text-muted); font-size: 11px; }

    .mobile-fab { display: block; position: fixed; bottom: 18px; right: 18px; z-index: 50; background: var(--primary); color: #fff; border: none; border-radius: 999px; padding: 14px 20px; font-size: 14px; box-shadow: 0 4px 14px rgba(0,0,0,.25); }
    #btnNewMeeting { display: none; }
    .card-upload-preview { height: 140px; }
    .card-upload-row { grid-template-columns: 1fr; }
    .card-upload-actions button[data-pick] { padding: 12px 20px; font-size: 15px; width: 100%; }
    .modal-large { max-width: 100%; }
    .form-grid { grid-template-columns: 1fr; }
    .detail-cards { grid-template-columns: 1fr; }
}