/* Base */
:root {
  --bg: #fdfaf9;
  --panel: #ffffff;
  --ink: #4a4e69;
  --muted: #9a8c98;
  --accent: #b5838d;
  --accent-light: #e5989b;
  --accent-2: #8d99ae;
  --border: #f2e9e4;
  --shadow: 0 10px 40px rgba(181, 131, 141, 0.1);
  --radius: 20px;
  --font-serif: "Playfair Display", serif;
  --font-sans: "Plus Jakarta Sans", "Inter", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: 
    radial-gradient(at 0% 0%, rgba(229, 152, 155, 0.15) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(141, 153, 174, 0.1) 0px, transparent 50%),
    var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
}

.page { max-width: 1200px; margin: 0 auto; padding: 40px 20px; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}

.brand { display: flex; gap: 18px; align-items: center; }
.logo {
  width: 56px; height: 56px; border-radius: 18px;
  background: linear-gradient(135deg, #ffb4a2, #b5838d);
  color: #fff; font-weight: 800; display: grid; place-items: center;
  font-size: 20px; font-family: var(--font-serif);
  box-shadow: 0 8px 20px rgba(181, 131, 141, 0.3);
}
.title { font-size: 26px; font-weight: 800; font-family: var(--font-serif); letter-spacing: -0.5px; }
.subtitle { color: var(--muted); font-size: 14px; font-weight: 500; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.panel { display: grid; gap: 24px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.panel-head h2 { font-family: var(--font-serif); font-size: 28px; margin: 0; color: var(--ink); }

.tabs { display: flex; gap: 12px; margin-bottom: 30px; background: rgba(242, 233, 228, 0.5); padding: 6px; border-radius: 14px; width: fit-content; }
.tab {
  border: none;
  background: transparent;
  padding: 10px 22px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 700;
  color: var(--muted);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}
.tab.active { 
  background: var(--panel); 
  color: var(--accent); 
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.tab:hover:not(.active) { color: var(--ink); }

.grid { display: grid; gap: 24px; grid-template-columns: 350px 1fr; }

.form { display: grid; gap: 16px; }
.form label { display: grid; gap: 8px; font-size: 14px; font-weight: 600; color: var(--ink); }
.form input, .form select {
  padding: 12px 16px; border-radius: 12px; border: 2px solid var(--border);
  background: #fff; font-size: 15px; font-family: var(--font-sans);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.form input:focus, .form select:focus {
  outline: none; border-color: var(--accent-light);
  box-shadow: 0 0 0 4px rgba(229, 152, 155, 0.15);
}

.btn {
  background: var(--accent); color: #fff; border: none; border-radius: 12px;
  padding: 12px 20px; cursor: pointer; font-weight: 700; font-family: var(--font-sans);
  transition: all 0.3s ease;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
.btn:hover { background: #a4727c; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(181, 131, 141, 0.3); }
.btn.ghost { background: transparent; color: var(--muted); border: 2px solid var(--border); }
.btn.ghost:hover { border-color: var(--accent-light); color: var(--accent); background: #fff; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.table-wrap { overflow: auto; border-radius: 12px; border: 1px solid var(--border); }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { padding: 14px 18px; border-bottom: 1px solid var(--border); text-align: left; }
.table th { background: #faf8f7; color: var(--muted); font-weight: 700; text-transform: uppercase; font-size: 12px; letter-spacing: 0.5px; }
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: #fdf9f9; }

.table th.sortable { cursor: pointer; user-select: none; }
.table th.sortable::after { content: " ↕"; opacity: 0.3; margin-left: 4px; }
.table th.sortable.active-sort { color: var(--accent); }

.input { 
  padding: 12px 16px; border-radius: 12px; border: 2px solid var(--border);
  transition: all 0.3s ease;
}
.input:focus { outline: none; border-color: var(--accent-light); }

.notice { margin-top: 10px; font-size: 14px; color: #2a9d8f; font-weight: 600; padding: 10px; background: rgba(42, 157, 143, 0.1); border-radius: 8px; }
.error { margin-top: 10px; font-size: 14px; color: #e76f51; font-weight: 600; padding: 10px; background: rgba(231, 111, 81, 0.1); border-radius: 8px; }
.muted { color: var(--muted); font-size: 13px; font-weight: 500; }
.hidden { display: none; }

.tab-panel { display: none; animation: fadeIn 0.4s ease; }
.tab-panel.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.pager { display: flex; gap: 14px; align-items: center; margin-top: 20px; }
.row { display: flex; gap: 12px; align-items: center; }

.toolbar { display: flex; gap: 12px; align-items: center; }

@media (max-width: 992px) {
  .grid { grid-template-columns: 1fr; }
  .panel-head { flex-direction: column; align-items: flex-start; gap: 16px; }
  .toolbar { width: 100%; overflow-x: auto; padding-bottom: 8px; }
}