/* ==========================================================================
   Excis IT Stock Management — application styles.
   Brand palette is defined once here and referenced via CSS custom properties.
   ========================================================================== */
:root {
  --excis-navy:        #1F2A4D;
  --excis-navy-deep:   #161E38;
  --excis-orange:      #F58220;
  --excis-orange-dark: #D96D10;
  --excis-ink:         #0E1322;
  --excis-bg:          #F5F6F8;
  --excis-surface:     #FFFFFF;
  --excis-border:      #E2E5EB;
  --excis-text:        #1F2A4D;
  --excis-text-muted:  #6B7280;
  --status-ok:         #2E9E5B;
  --status-low:        #E0A800;
  --status-out:        #D64545;

  --radius:   8px;
  --radius-sm:6px;
  --shadow:   0 1px 2px rgba(14,19,34,.06), 0 4px 14px rgba(14,19,34,.05);
  --sidebar-w:248px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--excis-bg);
  color: var(--excis-text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* --- Brand wordmark (logo placeholder) ----------------------------------- */
.brand-wordmark { font-weight: 800; letter-spacing: .5px; font-size: 1.5rem; }
.brand-wordmark .wm-ex  { color: #FFFFFF; }
.brand-wordmark .wm-cis { color: var(--excis-orange); }
.login-wm .wm-ex { color: var(--excis-navy); }

/* --- App shell ----------------------------------------------------------- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--excis-navy);
  color: #C9CEDB;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar-brand {
  padding: 22px 22px 18px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.brand-sub { font-size: .72rem; letter-spacing: 2px; text-transform: uppercase; color: #8B93A8; }

.sidebar-nav { padding: 14px 12px; display: flex; flex-direction: column; gap: 3px; flex: 1; }
.sidebar-nav .nav-link {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 14px;
  color: #C9CEDB;
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: background .12s ease, color .12s ease;
}
.sidebar-nav .nav-link:hover { background: var(--excis-navy-deep); color: #fff; }
.sidebar-nav .nav-link.is-active {
  background: var(--excis-navy-deep);
  color: #fff;
  border-left-color: var(--excis-orange);
}
.nav-ico { width: 18px; text-align: center; color: var(--excis-orange); font-size: .95rem; }
.sidebar-foot {
  padding: 16px 22px;
  font-size: .72rem;
  color: #6B7390;
  border-top: 1px solid rgba(255,255,255,.08);
}

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

.topbar {
  height: 64px;
  background: var(--excis-navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky; top: 0; z-index: 20;
}
.topbar-left { display: flex; align-items: center; gap: 12px; min-width: 0; }
.topbar-title { font-size: 1.1rem; font-weight: 600; }
.topbar-user { display: flex; align-items: center; gap: 16px; }
.nav-toggle {
  display: none;
  background: transparent; border: none; color: #fff;
  font-size: 1.5rem; line-height: 1; cursor: pointer; padding: 2px 8px;
  border-radius: var(--radius-sm);
}
.nav-toggle:hover { background: var(--excis-navy-deep); }
.nav-backdrop { display: none; }
.user-meta { display: flex; align-items: center; gap: 9px; }
.user-name { font-weight: 500; }
.logout-form { margin: 0; }

.content { padding: 26px 28px; flex: 1; }
.footer {
  padding: 16px 28px;
  color: var(--excis-text-muted);
  font-size: .8rem;
  border-top: 1px solid var(--excis-border);
}

/* --- Badges -------------------------------------------------------------- */
.role-badge {
  font-size: .68rem; font-weight: 700; letter-spacing: .6px;
  padding: 3px 8px; border-radius: 999px; text-transform: uppercase;
}
.role-admin  { background: var(--excis-orange); color: #fff; }
.role-tech   { background: #3B4A7A; color: #fff; }
.role-viewer { background: #4B5572; color: #fff; }

.status-badge {
  font-size: .72rem; font-weight: 700;
  padding: 3px 10px; border-radius: 999px;
  display: inline-block;
}
.status-ok  { background: rgba(46,158,91,.13);  color: var(--status-ok); }
.status-low { background: rgba(224,168,0,.16);  color: #9A7400; }
.status-out { background: rgba(214,69,69,.13);  color: var(--status-out); }

.txn-badge { font-size: .72rem; font-weight: 700; padding: 3px 9px; border-radius: var(--radius-sm); }
.txn-check_out  { background: rgba(214,69,69,.12);  color: var(--status-out); }
.txn-check_in   { background: rgba(46,158,91,.13);  color: var(--status-ok); }
.txn-adjustment { background: rgba(31,42,77,.10);   color: var(--excis-navy); }

/* --- Stat cards ---------------------------------------------------------- */
.stat-grid {
  display: grid; gap: 16px; margin-bottom: 22px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}
.stat-card {
  background: var(--excis-surface);
  border: 1px solid var(--excis-border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}
.stat-card--alert { border-left: 4px solid var(--status-low); }
.stat-label { font-size: .78rem; color: var(--excis-text-muted); text-transform: uppercase; letter-spacing: .5px; }
.stat-value { font-size: 2rem; font-weight: 700; margin-top: 6px; }

/* --- Panels -------------------------------------------------------------- */
.panel-grid { display: grid; gap: 18px; grid-template-columns: 1fr 1fr; }
@media (max-width: 1100px) { .panel-grid { grid-template-columns: 1fr; } }

.panel {
  background: var(--excis-surface);
  border: 1px solid var(--excis-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px;
  margin-bottom: 18px;
}
.panel--flush { padding: 0; overflow: hidden; }
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.panel-title { font-size: 1rem; font-weight: 600; margin: 0; }
.panel-count {
  background: var(--excis-bg); color: var(--excis-text-muted);
  font-size: .8rem; font-weight: 600; padding: 2px 10px; border-radius: 999px;
}
.panel-link { color: var(--excis-orange-dark); font-size: .85rem; font-weight: 600; text-decoration: none; }
.panel-link:hover { text-decoration: underline; }
.form-panel { max-width: 760px; }

/* --- Tables -------------------------------------------------------------- */
.excis-table { width: 100%; margin: 0; border-collapse: collapse; }
.excis-table thead th {
  background: #FAFBFC;
  font-size: .74rem; text-transform: uppercase; letter-spacing: .5px;
  color: var(--excis-text-muted);
  font-weight: 700;
  padding: 11px 14px;
  border-bottom: 1px solid var(--excis-border);
  text-align: left;
}
.excis-table tbody td { padding: 11px 14px; border-bottom: 1px solid var(--excis-border); vertical-align: middle; }
.excis-table tbody tr:last-child td { border-bottom: none; }
.excis-table tbody tr:hover { background: #FAFBFC; }
.excis-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.actions-col { text-align: right; }
.cell-sub { color: var(--excis-text-muted); font-size: .8rem; }
.cell-notes { color: var(--excis-text-muted); font-size: .85rem; max-width: 240px; }
.cell-json code {
  font-size: .74rem; color: var(--excis-navy);
  background: var(--excis-bg); padding: 2px 6px; border-radius: 4px;
  display: inline-block; max-width: 260px; overflow: hidden; text-overflow: ellipsis;
}
.audit-action { font-weight: 700; font-size: .8rem; color: var(--excis-orange-dark); }
.row-actions { text-align: right; white-space: nowrap; }
.row-actions .btn { margin-left: 4px; }
.empty-state { padding: 28px; text-align: center; color: var(--excis-text-muted); }
.empty-row td { background: #fff !important; }

/* --- Barcode scan bar ---------------------------------------------------- */
.scan-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--excis-navy);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.scan-icon { color: var(--excis-orange); font-size: 1.5rem; line-height: 1; }
.scan-bar .barcode-scan {
  flex: 1;
  font-size: 1rem;
  border: 1px solid transparent;
}
.scan-bar .barcode-scan:focus {
  border-color: var(--excis-orange);
  box-shadow: 0 0 0 3px rgba(245,130,32,.35);
}

/* --- Toolbar / filters --------------------------------------------------- */
.toolbar { display: flex; justify-content: space-between; gap: 14px; margin-bottom: 16px; flex-wrap: wrap; }
.toolbar-filters { display: flex; gap: 10px; flex-wrap: wrap; flex: 1; }
.toolbar-filters .form-control,
.toolbar-filters .form-select { max-width: 230px; }

.filter-bar {
  background: var(--excis-surface);
  border: 1px solid var(--excis-border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 18px;
  box-shadow: var(--shadow);
}
.filter-grid {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}
.filter-actions { display: flex; gap: 10px; margin-top: 14px; }
.toolbar-actions { display: flex; gap: 8px; }

/* --- Spreadsheet import -------------------------------------------------- */
.import-summary { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.import-help { color: var(--excis-text-muted); font-size: .88rem; margin: 10px 0 16px; }
.import-help a { color: var(--excis-orange-dark); }
.import-upload { margin-top: 18px; }
.import-errors { margin-top: 14px; }
.import-result-line { font-size: 1.05rem; }

/* --- Forms --------------------------------------------------------------- */
.form-row { margin-bottom: 14px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.form-label { font-weight: 600; font-size: .85rem; margin-bottom: 4px; }
.form-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }
.req { color: var(--status-out); }
.field-error { color: var(--status-out); font-size: .8rem; margin-top: 4px; }

.form-control, .form-select {
  border: 1px solid var(--excis-border);
  border-radius: var(--radius-sm);
  padding: 8px 11px;
  font-size: .92rem;
  width: 100%;
}
.form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--excis-orange);
  box-shadow: 0 0 0 3px rgba(245,130,32,.22);
}

/* --- Buttons ------------------------------------------------------------- */
.btn { border-radius: var(--radius-sm); font-weight: 600; }
.btn:focus-visible { outline: 3px solid rgba(245,130,32,.45); outline-offset: 1px; }

.btn-excis {
  background: var(--excis-orange);
  border: 1px solid var(--excis-orange);
  color: #fff;
}
.btn-excis:hover, .btn-excis:focus { background: var(--excis-orange-dark); border-color: var(--excis-orange-dark); color: #fff; }

.btn-soft {
  background: var(--excis-bg);
  border: 1px solid var(--excis-border);
  color: var(--excis-text);
}
.btn-soft:hover { background: #EAECF1; color: var(--excis-text); }

.btn-danger-soft {
  background: rgba(214,69,69,.10);
  border: 1px solid rgba(214,69,69,.25);
  color: var(--status-out);
}
.btn-danger-soft:hover { background: var(--status-out); color: #fff; }

.btn-sm { font-size: .78rem; padding: 4px 10px; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }

/* --- Modal --------------------------------------------------------------- */
.modal-content { border: none; border-radius: var(--radius); overflow: hidden; }
.modal-header { background: var(--excis-navy); color: #fff; border: none; }
.modal-header .btn-close { filter: invert(1) grayscale(1) brightness(1.8); }
.modal-title { font-size: 1rem; font-weight: 600; }
.modal-context {
  background: var(--excis-bg); border-radius: var(--radius-sm);
  padding: 8px 12px; font-size: .85rem; color: var(--excis-text-muted);
}
.modal-footer { border-top: 1px solid var(--excis-border); }

/* --- Toasts -------------------------------------------------------------- */
.toast { border: none; box-shadow: var(--shadow); border-left: 4px solid var(--excis-navy); }
.toast-success { border-left-color: var(--status-ok); }
.toast-error   { border-left-color: var(--status-out); }
.toast-info    { border-left-color: var(--excis-orange); }
.toast-body { font-size: .88rem; }

/* --- Notes / alerts ------------------------------------------------------ */
.audit-note {
  background: #FFF4E8;
  border: 1px solid #F6D9B8;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: .85rem;
  color: #8A5414;
  margin-bottom: 16px;
}

/* --- Login / error pages ------------------------------------------------- */
.login-body {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--excis-navy) 0%, var(--excis-ink) 100%);
  padding: 20px;
}
.login-card {
  background: var(--excis-surface);
  border-radius: 14px;
  box-shadow: 0 18px 50px rgba(0,0,0,.35);
  padding: 38px 34px;
  width: 100%;
  max-width: 410px;
}
.login-brand { text-align: center; margin-bottom: 24px; }
.login-product { font-size: .8rem; letter-spacing: 2px; text-transform: uppercase; color: var(--excis-text-muted); margin-top: 4px; }
.login-sso { margin-top: 4px; }
.login-alert { font-size: .85rem; }
.login-divider { text-align: center; margin: 22px 0 16px; position: relative; }
.login-divider::before {
  content: ""; position: absolute; top: 50%; left: 0; right: 0;
  border-top: 1px solid var(--excis-border);
}
.login-divider span {
  background: var(--excis-surface); position: relative;
  padding: 0 12px; font-size: .72rem; text-transform: uppercase;
  letter-spacing: 1px; color: var(--excis-text-muted);
}
.dev-login .form-label { margin-top: 2px; }
.dev-warning {
  background: #FFF4E8; border: 1px solid #F6D9B8; color: #8A5414;
  font-size: .76rem; border-radius: var(--radius-sm); padding: 8px 10px; margin-bottom: 12px;
}
.login-foot { text-align: center; margin-top: 22px; font-size: .75rem; color: var(--excis-text-muted); }

.error-card { text-align: center; }
.error-code { font-size: 3.4rem; font-weight: 800; color: var(--excis-orange); line-height: 1; }
.error-title { font-size: 1.3rem; margin: 8px 0; color: var(--excis-navy); }
.error-message { color: var(--excis-text-muted); margin-bottom: 20px; }

@media (max-width: 720px) {
  /* The sidebar becomes an off-canvas drawer toggled by the ☰ button —
     it is never simply hidden, so navigation is always reachable. */
  .sidebar {
    position: fixed; top: 0; left: 0; height: 100vh;
    z-index: 1100;
    transform: translateX(-100%);
    transition: transform .2s ease;
  }
  body.nav-open .sidebar { transform: translateX(0); }
  .nav-toggle { display: block; }
  .nav-backdrop {
    position: fixed; inset: 0; z-index: 1050;
    background: rgba(14, 19, 34, .55);
  }
  body.nav-open .nav-backdrop { display: block; }
  .content { padding: 18px 14px; }
  .topbar { padding: 0 16px; }
}