/* Variables */
:root {
  --color-bg: #ebebeb;
  --color-surface: #f7f5f2;
  --color-text: #212021;
  --color-muted: #686366;
  --color-border: #d4cdcd;
  --color-success: #315f49;
  --color-warning: #855f18;
  --color-danger: #8a3737;
  --space-xs: .35rem;
  --space-sm: .7rem;
  --space-md: 1.15rem;
  --space-lg: 2rem;
  --space-xl: 3.5rem;
  --radius: 4px;
}

/* Reset/base */
*, *::before, *::after { box-sizing: border-box; }
html { color-scheme: light; }
body { margin: 0; background: var(--color-bg); color: var(--color-text); font-family: "Karla", Arial, sans-serif; line-height: 1.5; }
img, svg { max-width: 100%; }
a { color: inherit; text-decoration-color: var(--color-muted); text-underline-offset: .2em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid #947128; outline-offset: 2px; }

/* Layout */
.app-container { width: min(100% - 2rem, 1400px); min-height: 65vh; margin: 0 auto; padding: var(--space-xl) 0; overflow-x: auto; }
.app-footer { width: min(100% - 2rem, 1400px); margin: 0 auto; padding: var(--space-lg) 0; border-top: 1px solid var(--color-border); color: var(--color-muted); }
.form-container, main > form { max-width: 760px; }
.panel, .card, .summary { padding: var(--space-md); border: 1px solid var(--color-border); background: rgba(255,255,255,.3); }

/* Header/navigation */
.app-header { background: var(--color-text); color: var(--color-bg); }
.app-header__inner, .app-nav__inner { width: min(100% - 2rem, 1400px); margin: 0 auto; }
.app-header__inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); }
.app-brand { display: inline-flex; align-items: baseline; gap: .45rem; text-decoration: none; }
.app-brand__primary { font-size: 1.55rem; font-weight: 700; letter-spacing: .03em; }
.app-brand__secondary { font-family: "Quicksand", Arial, sans-serif; color: #cbc6c6; }
.app-identity { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .35rem 1rem; text-align: right; }
.app-identity__user { color: #cbc6c6; }
.app-nav { border-bottom: 1px solid var(--color-border); background: var(--color-surface); }
.app-nav__inner { display: flex; flex-wrap: wrap; align-items: stretch; gap: 0 var(--space-lg); padding: var(--space-sm) 0; }
.nav-group { display: flex; flex-wrap: wrap; align-items: center; gap: .15rem .75rem; }
.nav-group__label { color: var(--color-muted); font-family: "Quicksand", Arial, sans-serif; font-size: .7rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.app-nav a { padding: .35rem 0; text-decoration: none; border-bottom: 1px solid transparent; }
.app-nav a:hover { border-bottom-color: var(--color-text); }
.nav-logout { display: flex; align-items: center; margin: 0 0 0 auto; }
.app-nav .nav-logout .btn-link { color: var(--color-text); font-weight: 500; text-decoration: none; }
.app-nav .nav-logout .btn-link:hover { background: transparent; text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: .2em; }
.section-nav { display: flex; flex-wrap: wrap; gap: .45rem 1rem; margin-bottom: var(--space-lg); padding-bottom: var(--space-md); border-bottom: 1px solid var(--color-border); }
.section-nav a { display: inline-block; }

/* Typography */
h1, h2, h3 { line-height: 1.12; }
h1 { margin: 0 0 var(--space-lg); padding: var(--space-md) 0; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 500; }
h2 { margin-top: var(--space-lg); font-size: 1.55rem; font-weight: 600; }
p { max-width: 78ch; }
.amount, td[data-type="amount"] { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.muted, .helptext { color: var(--color-muted); font-size: .9rem; }

/* Buttons */
button, .btn, input[type="submit"] { display: inline-block; min-height: 2.65rem; padding: .55rem 1rem; border: 1px solid var(--color-text); border-radius: var(--radius); background: var(--color-text); color: var(--color-bg); font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
button:hover, .btn:hover, input[type="submit"]:hover { background: #3b393b; }
.btn-secondary { background: transparent; color: var(--color-text); }
.btn-danger, button[name*="cancel"], button[name*="reopen"] { border-color: var(--color-danger); background: var(--color-danger); color: white; }
.btn-link { min-height: 0; padding: 0; border: 0; background: transparent; color: var(--color-text); text-decoration: underline; }
button:disabled, input:disabled { cursor: not-allowed; opacity: .55; }

/* Forms */
form { margin: var(--space-md) 0 var(--space-lg); }
form p { margin: 0 0 var(--space-md); }
label { display: inline-block; margin: 0 var(--space-sm) var(--space-sm) 0; font-weight: 600; }
input, select, textarea { max-width: 100%; padding: .58rem .68rem; border: 1px solid #aaa3a3; border-radius: var(--radius); background: #fff; color: var(--color-text); font: inherit; }
input:not([type="checkbox"]):not([type="radio"]), select, textarea { width: 100%; }
input[type="checkbox"], input[type="radio"] { width: auto; accent-color: var(--color-text); }
textarea { min-height: 7rem; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--color-text); box-shadow: 0 0 0 2px rgba(33,32,33,.15); }
.errorlist { margin: var(--space-xs) 0 var(--space-sm); padding-left: 1.25rem; color: var(--color-danger); font-weight: 600; }
.errorlist + input, .errorlist + select, .errorlist + textarea, [aria-invalid="true"] { border-color: var(--color-danger); }

/* Tables */
.table-wrapper { width: 100%; margin: var(--space-md) 0 var(--space-lg); overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; background: rgba(255,255,255,.2); }
caption { padding: var(--space-sm); text-align: left; font-weight: 700; }
th, td { padding: .7rem .75rem; border-bottom: 1px solid var(--color-border); text-align: left; vertical-align: top; }
th { border-top: 1px solid var(--color-text); border-bottom-color: var(--color-text); font-size: .83rem; letter-spacing: .025em; }
tbody tr:hover { background: rgba(255,255,255,.55); }
td:empty::after { content: "—"; color: var(--color-muted); }

/* Statuses */
.status-badge, [class*="status-"] { display: inline-block; padding: .15rem .5rem; border: 1px solid currentColor; border-radius: 999px; font-size: .82rem; font-weight: 600; }
.status-draft { color: var(--color-muted); }
.status-approved, .status-success { color: var(--color-success); }
.status-cancelled, .status-error { color: var(--color-danger); }
.status-warning { color: var(--color-warning); }

/* Messages */
.messages { margin: 0 0 var(--space-lg); padding: 0; list-style: none; }
.message { margin-bottom: var(--space-sm); padding: .8rem 1rem; border-left: 4px solid var(--color-muted); background: var(--color-surface); }
.message-success { border-color: var(--color-success); }
.message-warning { border-color: var(--color-warning); }
.message-error { border-color: var(--color-danger); }
.message-info { border-color: #4a6479; }

/* Reports */
.review-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-md); }
.document-preview { max-height: 75vh; overflow: auto; border: 1px solid var(--color-border); }
.document-preview img, .document-preview iframe { width: 100%; min-height: 70vh; object-fit: contain; border: 0; }
.ocr-text-editor { width: 100%; font-family: ui-monospace, Consolas, monospace; }
.danger { border-left: 4px solid var(--color-danger); }
pre { white-space: pre-wrap; overflow-wrap: anywhere; }
.issue { padding: var(--space-sm); border-left: 4px solid var(--color-muted); }
.issue-error { border-color: var(--color-danger); }
.issue-warning { border-color: var(--color-warning); }
.issue-info { border-color: #4a6479; }
.kpi-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-md); }
.kpi { padding: var(--space-md); border-top: 1px solid var(--color-text); border-bottom: 1px solid var(--color-border); }

/* Responsive */
@media (max-width: 768px) {
  .app-header__inner { align-items: flex-start; flex-direction: column; padding: var(--space-md) 0; }
  .app-identity { justify-content: flex-start; text-align: left; }
  .app-nav__inner { display: block; }
  .nav-group { margin-bottom: var(--space-sm); }
  .nav-group__label { width: 100%; }
  .nav-logout { display: inline-flex; margin: var(--space-xs) 0 0; }
  .app-container { padding-top: var(--space-lg); }
  .kpi-grid { grid-template-columns: 1fr; }
  .review-layout { grid-template-columns: 1fr; }
  button, .btn, input[type="submit"] { max-width: 100%; }
}

@media print {
  body { background: white; color: black; font-size: 10pt; }
  .app-header, .app-nav, .section-nav, .app-footer, button, .btn, form:not(.print-form) { display: none !important; }
  .app-container { width: 100%; max-width: none; margin: 0; padding: 0; overflow: visible; }
  h1 { font-size: 18pt; }
  .table-wrapper { overflow: visible; }
  table { background: white; }
  th, td { padding: .3rem; color: black; }
  a { color: black; text-decoration: none; }
}