@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --color-bg: #161826;
  --color-surface: #232532;
  --color-text: #e9e9ed;
  --color-accent: #9184d9;
  --color-accent-2: #a7a1db;
  --color-divider: color-mix(in srgb, #e9e9ed 16%, transparent);

  --color-neutral-100: #f3f5fe;
  --color-neutral-200: #e4e7f5;
  --color-neutral-300: #cfd3e5;
  --color-neutral-400: #b2b6ca;
  --color-neutral-500: #9397ab;
  --color-neutral-600: #75798c;
  --color-neutral-700: #595d6c;
  --color-neutral-800: #3f424d;
  --color-neutral-900: #292b31;

  --color-accent-100: #f5f4ff;
  --color-accent-200: #e7e5fe;
  --color-accent-300: #d2cefd;
  --color-accent-400: #b5abfc;
  --color-accent-500: #968ae0;
  --color-accent-600: #796cbf;
  --color-accent-700: #5d5294;
  --color-accent-800: #423a6a;
  --color-accent-900: #2b2741;

  --font-heading: "Inter", system-ui, sans-serif;
  --font-heading-weight: 500;
  --font-body: "Inter", system-ui, sans-serif;

  --space-1: 2.8px;
  --space-2: 5.6px;
  --space-3: 8.4px;
  --space-4: 11.2px;
  --space-6: 16.8px;
  --space-8: 22.4px;
  --space-10: 28px;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;

  --shadow-sm: 0 0 0 1px #3f424d;
  --shadow-md: 0 0 0 1px #595d6c, 0 6px 18px rgba(0,0,0,0.55);
  --shadow-lg: 0 0 0 1px #9397ab, 0 16px 40px rgba(0,0,0,0.65);
}

* , *::before, *::after { box-sizing: border-box; }
body {
  margin: 0; background: var(--color-bg); color: var(--color-text);
  font-family: var(--font-body); font-size: 15px; line-height: 1.55; font-weight: 400;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 var(--space-2);
}
p { margin: 0 0 var(--space-3); }
a { color: var(--color-accent); text-underline-offset: 3px; }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }
.text-muted { color: color-mix(in srgb, var(--color-text) 55%, transparent); }

/* — buttons — */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 14px; line-height: 1.2; color: var(--color-text);
  background: transparent; border: 1px solid transparent;
  padding: var(--space-2) calc(var(--space-3) * 1.2);
  border-radius: var(--radius-md);
}
.btn svg { display: block; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { color: var(--color-accent); border-color: var(--color-accent); }
.btn-primary:hover { background: color-mix(in srgb, var(--color-accent) 12%, transparent); }
.btn-primary:active { background: color-mix(in srgb, var(--color-accent) 22%, transparent); }
.btn-secondary { border-color: var(--color-divider); }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.btn-ghost { color: var(--color-accent); padding-inline: var(--space-1); }
.btn-ghost:hover { background: color-mix(in srgb, var(--color-accent) 10%, transparent); }
.btn-icon { width: 36px; height: 36px; padding: 0; }

/* — forms — */
.field > label {
  display: block; font-size: 12px; margin-bottom: 5px;
  color: color-mix(in srgb, var(--color-text) 70%, transparent);
}
.input {
  width: 100%; min-height: 36px; padding: 6px 10px; font: inherit;
  font-size: 14px; color: var(--color-text); caret-color: var(--color-accent);
  background: var(--color-surface);
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.input:hover { border-color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.input:focus-visible { border-color: var(--color-accent); outline-offset: 0; }
textarea.input { min-height: 90px; resize: vertical; font-family: inherit; }
select.input { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 256 256'%3E%3Cpath fill='%23e9e9ed' d='M181.66,101.66l-72,72a8,8,0,0,1-11.32,0l-72-72A8,8,0,0,1,37.66,90.34L104,156.69l66.34-66.35a8,8,0,0,1,11.32,11.32Z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; padding-right: 30px; }

/* — cards — */
.card {
  display: flex; flex-direction: column; gap: var(--space-2);
  padding: var(--space-4); border-radius: var(--radius-md); background: var(--color-surface);
}
.card-kicker { font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent); }
.card-title {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 17px; line-height: 1.2;
}
.card-body { margin: 0; font-size: 13px; opacity: 0.8; flex: 1; }
.elev-sm { box-shadow: var(--shadow-sm); }
.elev-md { box-shadow: var(--shadow-md); }

/* — tags — */
.tag {
  display: inline-flex; align-items: center; font-size: 11px;
  letter-spacing: 0.02em; padding: 3px 10px;
  border-radius: calc(var(--radius-md) * 0.75);
}
.tag-accent { background: var(--color-accent-800); color: var(--color-accent-100); }
.tag-neutral { background: var(--color-neutral-800); color: var(--color-neutral-100); }
.tag-outline { border: 1px solid var(--color-accent); color: var(--color-accent); }
.tag-danger { border: 1px solid #d97a7a; color: #e39a9a; }

/* — navigation — */
.nav {
  display: flex; align-items: center; gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
}
.nav-brand {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 18px; margin-right: auto; display: flex; align-items: center; gap: 8px;
}
.nav-brand img { height: 26px; width: 26px; border-radius: 6px; display: block; }

/* — tables — */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th {
  text-align: left; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 60%, transparent);
  padding: var(--space-2); border-bottom: 1px solid var(--color-divider);
}
.table td { padding: var(--space-2); border-bottom: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent); }
.table tbody tr:hover { background: color-mix(in srgb, var(--color-text) 4%, transparent); }
.claim-voided { opacity: 0.5; }
.claim-voided:hover { opacity: 0.75; }

/* — dialog — */
.dialog-backdrop {
  position: fixed; inset: 0; display: grid; place-items: center; z-index: 50;
  padding: var(--space-4);
  background: color-mix(in srgb, var(--color-neutral-900) 60%, transparent);
}
.dialog {
  width: min(420px, 100%); display: flex; flex-direction: column; gap: var(--space-3);
  padding: var(--space-4); border-radius: var(--radius-lg);
  background: var(--color-surface); box-shadow: var(--shadow-lg);
}
.dialog-title { font-family: var(--font-heading); font-weight: var(--font-heading-weight); font-size: 20px; }
.dialog-body { font-size: 14px; opacity: 0.85; }
.dialog-actions { display: flex; justify-content: flex-end; gap: var(--space-2); margin-top: var(--space-2); }

/* — layout helpers — */
.app-shell { min-height: 100vh; display: flex; flex-direction: column; }
.app-main { flex: 1; padding: var(--space-8) var(--space-4) var(--space-10); display: flex; justify-content: center; }
.app-main-inner { width: 100%; display: flex; flex-direction: column; align-items: center; gap: var(--space-4); }
.stack { display: grid; gap: var(--space-4); }
.progress-track { height: 3px; background: var(--color-neutral-800); border-radius: 999px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--color-accent); transition: width .2s ease; }
.step-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; opacity: 0.55; margin-bottom: var(--space-2); }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: var(--space-2); flex-wrap: wrap; }
.row-end { display: flex; justify-content: flex-end; }
.receipt-row { display: flex; gap: var(--space-3); align-items: flex-start; padding: var(--space-3); }
.receipt-thumb { width: 56px; height: 56px; background-size: cover; background-position: center; border-radius: var(--radius-sm); flex-shrink: 0; background-color: var(--color-neutral-800); }
.receipt-thumb-file { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; color: var(--color-accent-300); }
.receipt-thumb-file span { font-size: 9px; letter-spacing: 0.06em; font-weight: 600; }
.btn-sm { font-size: 12px; padding: 3px 9px; min-height: 0; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: var(--space-3); }
.print-sheet {
  background: var(--color-neutral-100); color: var(--color-neutral-900);
  border-radius: var(--radius-md); box-shadow: var(--shadow-md); padding: var(--space-6);
  display: flex; flex-direction: column; gap: var(--space-4);
  font-family: 'Century Gothic','Trebuchet MS',Futura,sans-serif;
  /* A4 is 210mm x 297mm — matching that ratio here means the on-screen
     review and the downloaded PDF both look like a proper single A4 page
     (header/table near the top, signature blocks anchored to the bottom)
     instead of a short card floating with blank space wherever it lands.
     If a claim has enough receipts to need more room, this still grows
     taller rather than clipping anything — it just won't look like an
     exact A4 rectangle in that case, and the PDF spills onto a page 2. */
  aspect-ratio: 210 / 297;
}
.print-sheet-spacer { flex: 1 0 var(--space-4); }
.print-sheet table { width: 100%; border-collapse: collapse; font-size: 12.5px; min-width: 560px; }
.print-sheet th, .print-sheet td { padding: 6px 4px; text-align: left; }
.print-sheet thead tr { border-bottom: 1px solid var(--color-neutral-400); }
.print-sheet tbody tr { border-bottom: 1px solid var(--color-neutral-300); }
.print-sheet tfoot td { padding: 8px 4px; font-weight: 600; }
.scroll-x { overflow-x: auto; }
.spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid var(--color-divider); border-top-color: var(--color-accent); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.banner { padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); font-size: 13px; }
.banner-error { background: color-mix(in srgb, #d97a7a 18%, transparent); border: 1px solid #d97a7a; }

@media (max-width: 640px) {
  .app-main { padding: var(--space-4); }
}