:root {
  --primary: #12477E;
  --cyan: #14BFE3;
  --yellow: #FFC400;
  --green: #0E7A66;
  --text: #172636;
  --gray: #5B6773;
  --bg: #eef3f8;
  --card: #ffffff;
  --border: #d7e0ea;
  --danger: #c0392b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  color: var(--text);
  background: var(--bg);
}
.layout { display: flex; min-height: 100vh; }
.sidebar {
  flex: 0 0 250px;
  width: 250px;
  background: linear-gradient(180deg, var(--primary), #0d355e);
  color: #fff;
  padding: 1rem;
  overflow: hidden;
  transition: width .2s;
}
.sidebar.collapsed { flex-basis: 72px; width: 72px; }
.brand { margin-bottom: 1.5rem; }
.brand img {
  display: block;
  width: 100%;
  max-width: 200px;
  height: auto;
  max-height: 128px;
  margin: 0 auto .75rem;
  object-fit: contain;
}
.sidebar.collapsed .brand img,
.sidebar.collapsed .brand strong,
.sidebar.collapsed .brand span { display: none; }
.sidebar.collapsed nav a { font-size: 0; text-align: center; padding: .65rem; }
.sidebar.collapsed nav a::before { content: attr(data-icon); font-size: 1.1rem; }
.brand strong { display: block; font-size: 1.1rem; }
.brand span { font-size: .8rem; opacity: .85; }
.sidebar nav { display: flex; flex-direction: column; gap: .35rem; }
.sidebar a {
  color: #fff;
  text-decoration: none;
  padding: .55rem .75rem;
  border-radius: .5rem;
}
.sidebar a.active, .sidebar a:hover { background: rgba(255,255,255,.12); }
.content { flex: 1 1 auto; min-width: 0; padding: 1rem 1.25rem 2rem; }
.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}
.topbar h1 { margin: 0; font-size: 1.35rem; color: var(--primary); }
.search { margin-left: auto; }
.search input {
  padding: .55rem .75rem;
  border: 1px solid var(--border);
  border-radius: .5rem;
  min-width: 240px;
}
.user-area { display: inline-flex; align-items: center; gap: .5rem; color: var(--text); text-decoration: none; padding: .25rem .45rem; border-radius: .5rem; }
.user-area:hover { background: #e8f4ff; }
.user-area strong, .user-area small { display: block; line-height: 1.15; }
.user-area strong { font-size: .85rem; }
.user-area small { color: var(--gray); font-size: .72rem; }
.user-avatar { display: inline-grid; place-items: center; flex: 0 0 34px; width: 34px; height: 34px; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 700; font-size: .8rem; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: .75rem;
  padding: 1rem;
  box-shadow: 0 1px 2px rgba(18,71,126,.06);
}
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: .75rem;
  margin: 1rem 0;
}
.stat span { color: var(--gray); font-size: .85rem; }
.stat strong { display: block; font-size: 1.6rem; color: var(--primary); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 960px) { .grid-2 { grid-template-columns: 1fr; } .sidebar { position: absolute; z-index: 10; height: 100%; } }
@media (max-width: 700px) { .content { padding: 1rem; } .topbar { flex-wrap: wrap; } .search { margin-left: 0; flex: 1 1 100%; } .search input { min-width: 0; width: 100%; } .table { display: block; overflow-x: auto; } }
.hero-actions { display: flex; gap: .75rem; margin-bottom: 1rem; }
.toolbar { display: flex; gap: .75rem; align-items: center; margin-bottom: 1rem; flex-wrap: wrap; }
.filters { display: flex; gap: .75rem; align-items: end; flex-wrap: wrap; margin-bottom: 1rem; }
.filters label { display: grid; gap: .25rem; color: var(--gray); font-size: .9rem; font-weight: 600; }
.filters input, .filters select { min-height: 2.35rem; padding: .45rem .6rem; border: 1px solid var(--border); border-radius: .5rem; font: inherit; }
.filter-actions { display: flex; gap: .5rem; align-items: center; }
.full-width { grid-column: 1 / -1; }
.btn {
  display: inline-block;
  border: none;
  border-radius: .5rem;
  padding: .55rem 1rem;
  cursor: pointer;
  text-decoration: none;
  font-weight: 600;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-secondary { background: var(--cyan); color: #083049; }
.btn-success { background: var(--green); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-link { background: transparent; color: var(--primary); border: 1px solid var(--border); }
.btn-icon { background: transparent; border: 1px solid var(--border); border-radius: .5rem; padding: .35rem .55rem; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: .55rem; border-bottom: 1px solid var(--border); text-align: left; }
.badge { background: #e8f6fb; color: var(--primary); padding: .15rem .45rem; border-radius: 999px; font-size: .8rem; }
.flash-group { margin-bottom: 1rem; }
.flash { padding: .65rem .85rem; border-radius: .5rem; margin-bottom: .35rem; }
.flash-success { background: #e7f6f1; color: var(--green); }
.flash-error { background: #fdecea; color: var(--danger); }
.flash-warning { background: #fff7df; color: #8a6d00; }
.flash-info { background: #e8f4ff; color: var(--primary); }
.form-card label { display: block; margin-bottom: .75rem; font-weight: 600; color: var(--gray); }
.form-card input, .form-card select, .form-card textarea {
  width: 100%; margin-top: .25rem; padding: .55rem .65rem;
  border: 1px solid var(--border); border-radius: .5rem; font: inherit;
}
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: .75rem; }
.form-actions { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: 1rem; }
.section-spaced { margin-top: 1rem; }
.account-card { max-width: 760px; }
.account-heading { display: flex; align-items: center; gap: .75rem; margin-bottom: 1rem; }
.account-heading h2 { margin: 0; color: var(--primary); }
.account-heading .hint { margin: .2rem 0 0; }
.item-editor { border: 0; padding: 0; margin: 0; }
.item-editor-heading { display: flex; justify-content: space-between; align-items: start; gap: .75rem; margin-bottom: .75rem; }
.item-editor h2 { color: var(--primary); font-size: 1.05rem; margin: 0; }
.item-editor-heading .hint { margin: .25rem 0 0; }
.item-row { border: 1px solid var(--border); border-radius: .5rem; margin: 0 0 .75rem; padding: .5rem .75rem .75rem; }
.item-row legend { color: var(--primary); font-weight: 700; padding: 0 .25rem; }
.item-grid { display: grid; grid-template-columns: repeat(4, minmax(130px, 1fr)); gap: .5rem .75rem; }
.item-remove { display: flex; align-items: end; padding-bottom: .75rem; }
.form-card input:focus, .form-card select:focus, .form-card textarea:focus, .btn:focus-visible, .btn-icon:focus-visible, a:focus-visible { outline: 3px solid var(--cyan); outline-offset: 2px; }
@media (max-width: 700px) { .item-grid { grid-template-columns: 1fr 1fr; } .item-editor-heading { align-items: stretch; flex-direction: column; } }
.checkbox { font-weight: normal; }
.empty { color: var(--gray); font-style: italic; }
.inline-form { display: inline; }
.hint { color: var(--gray); font-size: .9rem; }
.validation-page { display: grid; place-items: center; min-height: 100vh; padding: 1rem; }
.login-page { display: grid; min-height: 100vh; place-items: center; background: #edf4f8; }
.login-card { width: min(100% - 2rem, 360px); background: #fff; padding: 2rem; border-radius: .8rem; box-shadow: 0 3px 14px rgba(18,71,126,.15); }
.login-card h1 { color: var(--primary); margin: 0; }
.login-card label { display:block; margin: 1rem 0; color: var(--gray); font-weight: 600; }
.login-card input { display:block; box-sizing:border-box; width:100%; margin-top:.25rem; padding:.55rem .65rem; border:1px solid var(--border); border-radius:.5rem; font:inherit; }