:root {
  --bg: #0f1117;
  --bg-soft: #151923;
  --card: #1b2130;
  --card-2: #20283a;
  --text: #f4f7ff;
  --muted: #aab4cc;
  --border: rgba(255,255,255,0.08);
  --primary: #5865f2;
  --primary-2: #6f7bf7;
  --green: #57f287;
  --red: #ed4245;
  --shadow: 0 14px 38px rgba(0,0,0,0.26);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  background: linear-gradient(135deg, #0b0d13, #141a26 45%, #171b27);
  color: var(--text);
}
.hidden { display: none !important; }
#app { min-height: 100vh; display: grid; grid-template-columns: 280px 1fr; }
.sidebar {
  border-right: 1px solid var(--border);
  background: rgba(14, 18, 28, 0.92);
  backdrop-filter: blur(16px);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.brand-title { font-size: 24px; font-weight: 700; }
.brand-sub { color: var(--muted); margin-top: 4px; font-size: 13px; }
.user-card, .login-box, .guild-picker {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  box-shadow: var(--shadow);
}
.login-box p { color: var(--muted); margin: 0 0 12px; line-height: 1.6; }
.login-link { display: inline-flex; text-decoration: none; }
.menu { display: grid; gap: 8px; }
.menu button {
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  text-align: left;
  border-radius: 14px;
  padding: 12px 14px;
  cursor: pointer;
  transition: .18s ease;
}
.menu button:hover, .menu button.active {
  background: rgba(88,101,242,0.16);
  border-color: rgba(88,101,242,0.35);
}
.main { padding: 24px 28px 40px; }
.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 24px;
}
.topbar h1 { margin: 0; font-size: 30px; }
.topbar p { color: var(--muted); margin: 8px 0 0; }
.status {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
}
.panel { display: none; }
.panel.active { display: block; }
.card {
  background: rgba(27,33,48,0.9);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 22px;
  box-shadow: var(--shadow);
}
.config-panel, #panel-leveling { display: none; gap: 20px; }
.config-panel.active, #panel-leveling.active { display: grid; }
.split-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 20px; }
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.form-grid label, .reward-card label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}
label.full, .full { grid-column: 1 / -1; }
label.toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px 14px;
  color: var(--text);
}
input, textarea, select, button { font: inherit; }
input:not([type="checkbox"]):not([type="color"]), textarea, select {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #121826;
  color: var(--text);
  padding: 12px 14px;
}
input[type="color"] {
  width: 100%;
  min-height: 46px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #121826;
  padding: 6px;
}
textarea { resize: vertical; min-height: 96px; }
select { min-height: 46px; }
button {
  border: none;
  cursor: pointer;
  border-radius: 14px;
  padding: 12px 16px;
}
.primary-btn { background: var(--primary); color: #fff; }
.primary-btn:hover { background: var(--primary-2); }
.secondary-btn { background: rgba(87,242,135,0.16); color: var(--green); border: 1px solid rgba(87,242,135,0.3); }
.ghost-btn { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.danger-btn { background: rgba(237,66,69,0.16); color: #ff9da0; border: 1px solid rgba(237,66,69,0.3); }
.small { padding: 10px 14px; font-size: 13px; }
.action-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.help-box {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(88,101,242,0.1);
  border: 1px solid rgba(88,101,242,0.2);
  color: var(--muted);
  line-height: 1.7;
}
.section-head, .inline-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.gap-top { margin-top: 20px; }
.template-list, .reward-rows, .field-rows {
  display: grid;
  gap: 14px;
}
.template-card, .reward-card, .field-row {
  border: 1px solid var(--border);
  background: var(--card-2);
  border-radius: 20px;
  padding: 16px;
}
.template-card h3, .reward-card h3 { margin: 0 0 8px; }
.template-card p, .reward-card p, .inline-note { color: var(--muted); margin: 0; }
.row-actions { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.inline-note { font-size: 13px; }
.preview-thumb {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid var(--border);
}
.background-select-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 12px;
}
.dual-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}
.dual-list select {
  min-height: 200px;
}
.dual-list-buttons {
  display: grid;
  gap: 10px;
}
.upload-box {
  display: grid;
  gap: 10px;
  background: var(--card-2);
  border: 1px dashed rgba(255,255,255,0.18);
  border-radius: 16px;
  padding: 14px;
}
.upload-label {
  color: var(--text);
  font-weight: 600;
}
.field-row .form-grid {
  grid-template-columns: 1fr;
}
@media (max-width: 1100px) {
  #app { grid-template-columns: 1fr; }
  .sidebar { border-right: none; border-bottom: 1px solid var(--border); }
  .split-grid { grid-template-columns: 1fr; }
  .dual-list { grid-template-columns: 1fr; }
  .dual-list-buttons { grid-template-columns: repeat(2, 1fr); }
}