:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #f8fbff;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-soft: #dbeafe;
  --danger: #dc2626;
  --success: #15803d;
  --success-soft: #dcfce7;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #e0f2fe 0, transparent 30%), var(--bg);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button { cursor: pointer; }

.page-shell { width: min(1040px, 100%); margin: 0 auto; padding: 24px 16px 40px; }
.hero-panel, .panel, .section-card, .alert, .results-empty {
  border: 1px solid rgba(226, 232, 240, 0.9);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 14px 35px rgba(15, 23, 42, 0.06);
}
.hero-panel {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 16px;
  padding: 24px; border-radius: 22px;
}
.client-hero { background: linear-gradient(135deg, #ffffff 0%, #f8fbff 100%); }
.topline { margin: 0 0 8px; font-size: .76rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; color: var(--primary); }
h1 { margin: 0; font-size: clamp(1.55rem, 3vw, 2.35rem); line-height: 1.15; letter-spacing: 0; }
h2 { margin: 0; font-size: 1rem; }
.hero-panel p, .panel-heading p { margin: 8px 0 0; color: var(--muted); line-height: 1.55; }

.primary-link, .ghost-btn, .item-action, .form-panel button[type="submit"], .auth-panel button[type="submit"] {
  display: inline-flex; align-items: center; justify-content: center; min-height: 40px;
  border-radius: 12px; border: 1px solid var(--border); padding: 9px 13px;
  font-weight: 750; white-space: nowrap;
}
.primary-link, .form-panel button[type="submit"], .auth-panel button[type="submit"] { background: var(--primary); color: #fff; border-color: var(--primary); }
.primary-link:hover, .form-panel button[type="submit"]:hover, .auth-panel button[type="submit"]:hover { background: var(--primary-dark); }
.ghost-btn, .item-action { background: #fff; color: var(--text); }
.item-action.danger { color: var(--danger); }
.header-actions { display: flex; gap: 10px; align-items: center; }

.admin-tools { margin: 16px 0; }
.admin-tools-toggle {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  min-height: 58px; padding: 10px 12px; border: 1px solid rgba(191, 219, 254, .9); border-radius: 18px;
  background: linear-gradient(135deg, rgba(255,255,255,.98), rgba(239,246,255,.96));
  color: var(--text); cursor: pointer; box-shadow: 0 12px 28px rgba(37, 99, 235, .08);
  list-style: none; transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.admin-tools-toggle:hover { border-color: #93c5fd; box-shadow: 0 16px 34px rgba(37, 99, 235, .12); transform: translateY(-1px); }
.admin-tools-toggle::marker { content: ""; }
.admin-tools-toggle::-webkit-details-marker { display: none; }
.admin-tools-main { display: flex; align-items: center; gap: 12px; min-width: 0; }
.admin-tools-icon {
  display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px;
  border-radius: 12px; background: var(--primary); color: #fff; font-size: 1.1rem; font-weight: 900;
  box-shadow: 0 8px 18px rgba(37, 99, 235, .24); transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.admin-tools-copy { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.admin-tools-copy strong { font-size: .94rem; line-height: 1.2; }
.admin-tools-copy span { color: var(--muted); font-size: .78rem; font-weight: 700; overflow-wrap: anywhere; }
.admin-tools-pill {
  margin-left: auto; padding: 6px 10px; border-radius: 999px; background: var(--primary-soft); color: var(--primary-dark);
  font-size: .72rem; font-weight: 900; white-space: nowrap;
}
.admin-tools-toggle .chevron {
  display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px;
  border-radius: 999px; background: #fff; border: 1px solid var(--border); color: var(--primary-dark);
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.admin-tools:not([open]) .admin-tools-icon { transform: rotate(45deg); }
.admin-tools:not([open]) .admin-tools-toggle .chevron { transform: rotate(-90deg); }
.admin-tools .admin-grid { margin-top: 14px; }
.admin-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 0 0 16px; }
.panel { border-radius: 18px; padding: 18px; }
.form-panel, .auth-panel { display: flex; flex-direction: column; gap: 9px; }
label { font-size: .84rem; font-weight: 750; color: var(--muted); }
input, select {
  width: 100%; min-height: 42px; border: 1px solid var(--border); border-radius: 12px;
  background: #f8fafc; color: var(--text); padding: 10px 12px;
}
input:focus-visible, select:focus-visible, button:focus-visible, a:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(37,99,235,.2); }

.toolbar { display: flex; align-items: center; gap: 10px; margin: 16px 0; }
.search-wrap { position: relative; flex: 1; padding: 8px; border: 1px solid var(--border); border-radius: 18px; background: rgba(255,255,255,.9); }
.search-wrap input { padding-left: 58px; }
.search-icon { position: absolute; top: 50%; left: 18px; transform: translateY(-50%); color: #94a3b8; font-size: .8rem; font-weight: 800; }

.alert, .results-empty { margin: 16px 0; padding: 14px 16px; border-radius: 16px; color: var(--muted); }
.alert.success { color: var(--success); background: var(--success-soft); border-color: #bbf7d0; }
.alert.error { color: var(--danger); background: #fef2f2; border-color: #fecaca; }

.group-list { display: flex; flex-direction: column; gap: 12px; }
.section-card { overflow: hidden; border-radius: 18px; }
.folder-button { width: 100%; border: 0; background: transparent; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 18px; text-align: left; color: inherit; }
.folder-button:hover { background: #f8fafc; }
.folder-main, .link-main { display: flex; align-items: center; gap: 12px; min-width: 0; }
.folder-icon-wrap, .link-badge { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; border-radius: 12px; font-weight: 900; }
.folder-icon-wrap { width: 44px; height: 44px; background: var(--primary-soft); color: var(--primary-dark); }
.folder-icon-wrap svg { width: 22px; height: 22px; }
.link-badge { width: 38px; height: 34px; background: var(--success-soft); color: var(--success); font-size: .8rem; }
.folder-title, .link-copy { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.folder-title strong, .link-copy strong { overflow-wrap: anywhere; }
.folder-title span, .link-copy span { color: var(--muted); font-size: .8rem; overflow-wrap: anywhere; }
.chevron { color: #94a3b8; font-weight: 900; }
.section-body { border-top: 1px solid #f1f5f9; padding: 10px; }
.link-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 58px; padding: 10px 12px; border: 1px solid transparent; border-radius: 14px; background: #fff; transition: background .2s ease, transform .2s ease, border-color .2s ease; }
.link-item + .link-item { margin-top: 7px; }
.link-item:hover { background: var(--primary-soft); border-color: #bfdbfe; transform: translateY(-1px); }
.empty-project { margin: 0; padding: 12px; color: var(--muted); text-align: center; }

.login-shell { min-height: calc(100vh - 64px); display: grid; place-items: center; }
.auth-panel { width: min(440px, 100%); }
.muted-link { color: var(--muted); text-align: center; font-weight: 700; }
.check-row { display: inline-flex; align-items: center; gap: 8px; color: var(--text); }
.check-row input { width: auto; min-height: auto; }
.check-row.compact { min-width: 80px; }

.admin-project-head { display: flex; gap: 10px; justify-content: space-between; align-items: flex-start; }
.inline-edit { display: grid; grid-template-columns: minmax(160px, 1fr) minmax(180px, 1.4fr) auto; gap: 8px; flex: 1; }
.link-edit { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px; border-radius: 14px; background: #fff; border: 1px solid #f1f5f9; }
.link-edit + .delete-row { margin: 6px 0 10px; text-align: right; }
.form-link-main { flex: 1; }
.edit-fields { width: 100%; gap: 6px; }
.link-actions { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.admin-section { border-radius: 14px; }
.admin-project-summary { cursor: pointer; list-style: none; }
.admin-project-summary::marker { content: ""; }
.admin-project-summary::-webkit-details-marker { display: none; }
.project-collapse-indicator {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 999px; border: 1px solid var(--border);
  background: #fff; color: var(--primary-dark); font-weight: 900; flex: 0 0 auto; cursor: pointer;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.admin-project-summary:hover .project-collapse-indicator { background: var(--primary-soft); border-color: #bfdbfe; }
.admin-section:not([open]) .project-collapse-indicator { transform: rotate(-90deg); }
.admin-section:not([open]) .admin-links-body { display: none; }
.admin-section:not([open]) { box-shadow: 0 8px 20px rgba(15, 23, 42, .04); }
.admin-section .section-body { padding: 8px 12px; }
.admin-section .section-body + .section-body { padding-top: 8px; }
.admin-section .admin-project-head { align-items: center; gap: 8px; }
.admin-section .inline-edit { grid-template-columns: minmax(150px, .8fr) minmax(220px, 1.3fr) auto; gap: 8px; }
.admin-section input,
.admin-section select {
  min-height: 34px;
  border-radius: 10px;
  padding: 7px 10px;
  font-size: .92rem;
}
.admin-section .item-action {
  min-height: 34px;
  border-radius: 10px;
  padding: 7px 11px;
  font-size: .9rem;
}
.admin-section .link-edit {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-height: auto;
  padding: 8px 10px;
  border-radius: 12px;
}
.admin-section .link-main {
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr);
  gap: 10px;
  width: 100%;
}
.admin-section .link-badge {
  width: 38px;
  height: 30px;
  border-radius: 10px;
  font-size: .76rem;
}
.admin-section .edit-fields {
  display: grid;
  grid-template-columns: minmax(140px, .8fr) minmax(220px, 1.25fr) minmax(150px, .9fr);
  gap: 8px;
}
.admin-section .link-actions { gap: 10px; }
.admin-section .check-row.compact { min-width: auto; }
.admin-section .delete-row {
  margin: 5px 0 8px;
  text-align: right;
}
.admin-section .delete-row .item-action {
  min-height: 32px;
  padding: 6px 10px;
}
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (max-width: 760px) {
  .page-shell { padding: 14px 12px 28px; }
  .hero-panel, .toolbar, .admin-project-head, .link-edit { flex-direction: column; align-items: stretch; }
  .admin-grid, .inline-edit { grid-template-columns: 1fr; }
  .admin-tools-toggle { min-height: 54px; padding: 10px; gap: 8px; }
  .admin-tools-icon { width: 32px; height: 32px; border-radius: 10px; }
  .admin-tools-copy span { display: none; }
  .admin-tools-pill { display: none; }
  .hero-panel { padding: 18px; }
  .client-hero {
    flex-direction: row;
    align-items: flex-start;
    gap: 10px;
    padding: 14px;
  }
  .client-hero h1 { font-size: 1.28rem; }
  .client-hero .topline { margin-bottom: 5px; font-size: .66rem; }
  .client-hero p { margin-top: 6px; font-size: .86rem; }
  .client-hero > .primary-link {
    min-height: 32px;
    padding: 6px 10px;
    border-radius: 10px;
    font-size: .78rem;
    flex: 0 0 auto;
  }
  .admin-section .admin-project-head,
  .admin-section .link-edit,
  .admin-section .link-main,
  .admin-section .edit-fields,
  .admin-section .inline-edit {
    grid-template-columns: 1fr;
  }
  .admin-section .link-edit { align-items: stretch; }
  .admin-section .link-actions { justify-content: space-between; flex-direction: row; align-items: center; }
  .admin-section .delete-row { text-align: left; }
  .header-actions { flex-direction: column; align-items: stretch; }
  .link-item { align-items: flex-start; }
  .link-actions { flex-direction: column; align-items: stretch; }
}