* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  background: #f4f5f7;
  color: #1f2430;
}

.hidden { display: none !important; }

/* 로그인 화면 */
#login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-box {
  background: #fff;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  width: 320px;
}

.login-box h1 {
  font-size: 20px;
  margin: 0 0 24px;
  text-align: center;
}

.login-box input {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 10px;
  border: 1px solid #d8dbe2;
  border-radius: 6px;
  font-size: 14px;
}

.login-box button {
  width: 100%;
  padding: 10px;
  border: none;
  border-radius: 6px;
  background: #2f6fed;
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  margin-top: 4px;
}

.login-box button.secondary {
  background: #fff;
  color: #2f6fed;
  border: 1px solid #2f6fed;
}

#login-error {
  color: #d33;
  font-size: 13px;
  margin-top: 8px;
  min-height: 16px;
}

/* 메인 앱 */
header {
  background: #fff;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #e5e7eb;
}

header h1 { font-size: 18px; margin: 0; }

#logout-btn {
  background: none;
  border: 1px solid #d8dbe2;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}

nav {
  display: flex;
  gap: 4px;
  padding: 12px 24px 0;
  background: #fff;
  border-bottom: 1px solid #e5e7eb;
}

nav button {
  padding: 10px 16px;
  border: none;
  background: none;
  font-size: 14px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  color: #6b7280;
}

nav button.active {
  color: #2f6fed;
  border-bottom-color: #2f6fed;
  font-weight: 600;
}

main {
  max-width: 900px;
  margin: 24px auto;
  padding: 0 24px;
}

.panel {
  background: #fff;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  margin-bottom: 20px;
}

.form-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 12px;
}

.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-size: 12px; color: #6b7280; }
.field input, .field select {
  padding: 8px 10px;
  border: 1px solid #d8dbe2;
  border-radius: 6px;
  font-size: 14px;
}
.field.memo { flex: 1 1 100%; }
.field.memo input { width: 100%; }

#submit-meeting-btn {
  padding: 9px 18px;
  background: #2f6fed;
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}

#cancel-edit-btn {
  padding: 9px 14px;
  background: #fff;
  border: 1px solid #d8dbe2;
  border-radius: 6px;
  cursor: pointer;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th, td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid #eef0f3;
}

th { color: #6b7280; font-weight: 600; font-size: 12px; }

td.actions { white-space: nowrap; }
td.actions button {
  border: none;
  background: none;
  cursor: pointer;
  color: #2f6fed;
  font-size: 12px;
  margin-right: 8px;
}
td.actions button.delete { color: #d33; }

.filter-row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  margin-bottom: 16px;
}

.summary-cards {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.summary-card {
  flex: 1;
  background: #f8f9fb;
  border-radius: 8px;
  padding: 16px;
  text-align: center;
}

.summary-card .value { font-size: 22px; font-weight: 700; color: #2f6fed; }
.summary-card .label { font-size: 12px; color: #6b7280; margin-top: 4px; }

#chart-wrap {
  max-width: 380px;
  margin: 0 auto;
}

.empty-msg {
  text-align: center;
  color: #9aa0ab;
  padding: 24px;
  font-size: 13px;
}