/* =========================================================================
   Campus Ledger — visual identity
   An institutional "ledger book" feel: ink navy + brass, ruled tables,
   serif headings for the record-keeping tone, no rounded SaaS cards.
   ========================================================================= */

:root {
  --ink:        #16233d;
  --ink-soft:   #2c3e63;
  --paper:      #faf9f6;
  --paper-dim:  #f0eee7;
  --line:       #d9d4c7;
  --brass:      #a9822f;
  --brass-dark: #7c5f22;
  --text:       #232323;
  --text-dim:   #6b6a63;
  --good:       #3f7d58;
  --warn:       #b5533c;
  --repair:     #a9822f;
  --with-person:#3d6ea5;
  --retired:    #7a7770;
  --white:      #ffffff;

  --font-head: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;
}

@font-face { font-family: "Fraunces"; src: local("Georgia"); }

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 .4em;
  letter-spacing: 0.2px;
}
h1 { font-size: 1.9rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }

a { color: var(--ink-soft); text-decoration: none; }
a:hover { color: var(--brass-dark); text-decoration: underline; }

/* ---------------------------------------------------------------------
   Shell layout: fixed ink sidebar + paper content
   --------------------------------------------------------------------- */
.shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--ink);
  color: #e7e2d3;
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.brand {
  font-family: var(--font-head);
  font-size: 1.25rem;
  color: var(--white);
  padding: 0 24px 20px;
  border-bottom: 1px solid rgba(255,255,255,.12);
  margin-bottom: 12px;
}
.brand small { display: block; font-family: var(--font-body); font-size: .68rem; letter-spacing: .08em; color: #a8b0c4; margin-top: 3px; }

.nav-group-label {
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #7f89a5;
  padding: 16px 24px 6px;
}

.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 24px;
  color: #cfd3e0;
  font-size: .92rem;
  border-left: 3px solid transparent;
}
.sidebar nav a:hover { background: rgba(255,255,255,.06); text-decoration: none; color: #fff; }
.sidebar nav a.active {
  background: rgba(169,130,47,.18);
  border-left-color: var(--brass);
  color: #fff;
  font-weight: 600;
}

.sidebar .user-box {
  margin-top: auto;
  padding: 14px 24px 4px;
  border-top: 1px solid rgba(255,255,255,.12);
  font-size: .82rem;
  color: #b7bdd0;
}
.sidebar .user-box strong { color: #fff; display:block; }
.sidebar .user-box a { color: #a8b0c4; font-size: .78rem; }

.main {
  flex: 1;
  min-width: 0;
  padding: 28px 36px 60px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  flex-wrap: wrap;
  gap: 12px;
}
.topbar .eyebrow { color: var(--text-dim); font-size: .85rem; }

/* ---------------------------------------------------------------------
   Buttons
   --------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 3px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-body);
}
.btn:hover { background: var(--ink-soft); color: #fff; text-decoration: none; }
.btn-outline { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-outline:hover { background: var(--paper-dim); color: var(--ink); border-color: var(--ink); }
.btn-brass { background: var(--brass); border-color: var(--brass); }
.btn-brass:hover { background: var(--brass-dark); border-color: var(--brass-dark); }
.btn-danger { background: var(--warn); border-color: var(--warn); }
.btn-danger:hover { background: #8f3f2c; border-color: #8f3f2c; }
.btn-sm { padding: 5px 11px; font-size: .78rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------------------------------------------------------------------
   Panels (replace generic rounded shadow cards with ruled panels)
   --------------------------------------------------------------------- */
.panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 20px 22px;
  margin-bottom: 22px;
}
.panel-title {
  font-family: var(--font-head);
  font-size: 1.05rem;
  color: var(--ink);
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
}

.stat-row { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 22px; }
.stat {
  flex: 1 1 180px;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--brass);
  padding: 14px 18px;
}
.stat .num { font-family: var(--font-head); font-size: 1.7rem; color: var(--ink); line-height: 1.1; }
.stat .label { font-size: .78rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: .05em; margin-top: 4px; }
.stat.warn { border-left-color: var(--warn); }
.stat.good { border-left-color: var(--good); }

/* ---------------------------------------------------------------------
   Tables (ruled ledger style, not zebra cards)
   --------------------------------------------------------------------- */
table.ledger {
  width: 100%;
  border-collapse: collapse;
  font-size: .89rem;
}
table.ledger th {
  text-align: left;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-dim);
  border-bottom: 2px solid var(--ink);
  padding: 9px 10px;
  white-space: nowrap;
}
table.ledger td {
  padding: 10px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
table.ledger tr:hover td { background: var(--paper-dim); }
table.ledger .num-cell { text-align: right; font-variant-numeric: tabular-nums; }
.asset-code { font-family: var(--font-mono); font-size: .84rem; color: var(--ink-soft); }

.thumb {
  width: 42px; height: 42px; object-fit: cover; border: 1px solid var(--line); background: var(--paper-dim); flex-shrink:0;
}
.thumb-lg { width: 100%; max-width: 340px; border: 1px solid var(--line); }
.thumb-placeholder {
  width: 42px; height: 42px; display: flex; align-items: center; justify-content: center;
  background: var(--paper-dim); border: 1px dashed var(--line); color: var(--text-dim); font-size: 1rem;
}

/* ---------------------------------------------------------------------
   Badges
   --------------------------------------------------------------------- */
.badge {
  display: inline-block;
  padding: 3px 9px;
  font-size: .72rem;
  font-weight: 600;
  border-radius: 2px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.badge-in-use       { background: #e7f1eb; color: var(--good); border-color: #c4dfcd; }
.badge-in-store     { background: #eef0f4; color: var(--ink-soft); border-color: #d7dbe6; }
.badge-repair       { background: #f7efdd; color: var(--repair); border-color: #ecd9a8; }
.badge-with-person  { background: #e7eef7; color: var(--with-person); border-color: #c6d8ef; }
.badge-retired      { background: #efeeea; color: var(--retired); border-color: #dcdad2; }
.badge-consumable   { background: #f4e9e2; color: #935a2c; border-color: #e7cdb8; }

/* ---------------------------------------------------------------------
   Forms
   --------------------------------------------------------------------- */
label { display: block; font-size: .82rem; font-weight: 600; color: var(--ink); margin-bottom: 4px; }
.field { margin-bottom: 16px; }
.field .hint { font-size: .76rem; color: var(--text-dim); margin-top: 4px; }
input[type=text], input[type=email], input[type=password], input[type=number],
input[type=date], input[type=search], input[type=tel], select, textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid #c7c2b3;
  border-radius: 2px;
  background: var(--white);
  font-family: var(--font-body);
  font-size: .9rem;
  color: var(--text);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--brass);
  outline-offset: 0;
  border-color: var(--brass);
}
textarea { resize: vertical; min-height: 80px; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 20px; }
.form-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.form-actions { display: flex; gap: 10px; margin-top: 6px; }

.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: auto; }
.checkbox-row label { margin: 0; }

/* ---------------------------------------------------------------------
   Alerts / flash
   --------------------------------------------------------------------- */
.alert { padding: 11px 16px; border-left: 4px solid; margin-bottom: 18px; font-size: .9rem; }
.alert-success { background: #eef6f0; border-color: var(--good); color: #285a3b; }
.alert-error   { background: #fbeeeb; border-color: var(--warn); color: #8f3f2c; }
.alert-info    { background: #eef0f7; border-color: var(--with-person); color: #2b4a72; }

/* ---------------------------------------------------------------------
   Misc
   --------------------------------------------------------------------- */
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 18px; }
.filters .field { margin-bottom: 0; min-width: 160px; }
.pill-tabs { display: flex; gap: 4px; margin-bottom: 18px; border-bottom: 1px solid var(--line); }
.pill-tabs a { padding: 8px 16px; font-size: .86rem; color: var(--text-dim); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.pill-tabs a.active { color: var(--ink); border-bottom-color: var(--brass); font-weight: 600; }
.empty-state { text-align: center; padding: 50px 20px; color: var(--text-dim); }
.empty-state h3 { color: var(--ink); }
.text-dim { color: var(--text-dim); }
.mono { font-family: var(--font-mono); }
.mt-0 { margin-top: 0; }
.timeline { border-left: 2px solid var(--line); margin-left: 6px; padding-left: 20px; }
.timeline-item { position: relative; padding-bottom: 18px; }
.timeline-item::before {
  content: ""; position: absolute; left: -25px; top: 4px; width: 9px; height: 9px;
  border-radius: 50%; background: var(--brass); border: 2px solid var(--white);
}
.timeline-item .when { font-size: .74rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: .04em; }

footer.app-footer { text-align: center; color: var(--text-dim); font-size: .78rem; padding: 30px 0 10px; }

@media (max-width: 900px) {
  .shell { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: relative; flex-direction: row; overflow-x: auto; padding: 12px 0; }
  .sidebar .brand, .sidebar .user-box, .nav-group-label { display: none; }
  .sidebar nav { display: flex; }
  .sidebar nav a { border-left: none; border-bottom: 3px solid transparent; white-space: nowrap; }
  .sidebar nav a.active { border-left: none; border-bottom-color: var(--brass); }
  .main { padding: 20px 16px 40px; }
  .form-grid, .form-grid.cols-3 { grid-template-columns: 1fr; }
  table.ledger { display: block; overflow-x: auto; white-space: nowrap; }
}