/* DocKratos — foglio di stile accessibile WCAG 2.1 AA
   Palette ispirata al logo: rosso Kratos, nero, grigio caldo. */

:root {
  --dk-red:        #b91d1a;
  --dk-red-dark:   #7a1210;
  --dk-black:      #1a1a1a;
  --dk-charcoal:   #2b2b2b;
  --dk-gray:       #6b6b6b;
  --dk-gray-light: #e5e5e5;
  --dk-bg:         #f8f8f6;
  --dk-white:      #ffffff;
  --dk-focus:      #ffb703;
  --dk-ok:         #1e7e34;
  --dk-warn:       #b46b00;
}

* { box-sizing: border-box; }

html { font-size: 16px; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--dk-bg);
  color: var(--dk-black);
  line-height: 1.5;
}

a {
  color: var(--dk-red);
  text-decoration: underline;
}

a:hover { color: var(--dk-red-dark); }

:focus-visible {
  outline: 3px solid var(--dk-focus);
  outline-offset: 2px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--dk-black);
  color: var(--dk-white);
  padding: 8px 16px;
  z-index: 1000;
}
.skip-link:focus { left: 8px; top: 8px; }

button, .btn {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  border: 1px solid var(--dk-black);
  background: var(--dk-white);
  color: var(--dk-black);
  cursor: pointer;
  min-height: 44px; /* WCAG target size */
}

button.primary, .btn.primary {
  background: var(--dk-red);
  color: var(--dk-white);
  border-color: var(--dk-red-dark);
}
button.primary:hover, .btn.primary:hover { background: var(--dk-red-dark); }

button.ghost {
  background: transparent;
  border-color: var(--dk-gray);
}

button[disabled] { opacity: 0.6; cursor: not-allowed; }

input, textarea, select {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--dk-gray);
  border-radius: 6px;
  width: 100%;
  min-height: 44px;
  background: var(--dk-white);
  color: var(--dk-black);
}

textarea { min-height: 200px; font-family: ui-monospace, SFMono-Regular, monospace; }

label {
  display: block;
  margin-top: 1rem;
  font-weight: 600;
}

header.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.5rem;
  background: var(--dk-white);
  border-bottom: 4px solid var(--dk-red);
}

header.topbar img.logo {
  height: 44px;
  width: auto;
}

header.topbar h1 {
  font-size: 1.25rem;
  margin: 0;
  color: var(--dk-black);
  letter-spacing: 0.02em;
}

header.topbar .who { margin-left: auto; font-size: 0.9rem; color: var(--dk-gray); }

nav.tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0 1.5rem;
  background: var(--dk-white);
  border-bottom: 1px solid var(--dk-gray-light);
}

nav.tabs button {
  border: none;
  border-radius: 0;
  background: transparent;
  padding: 0.75rem 1rem;
  min-height: 44px;
  border-bottom: 3px solid transparent;
  color: var(--dk-charcoal);
  font-weight: 500;
}

nav.tabs button[aria-current="page"] {
  border-bottom-color: var(--dk-red);
  color: var(--dk-red);
}

main {
  padding: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.card {
  background: var(--dk-white);
  border: 1px solid var(--dk-gray-light);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.card h2 { margin-top: 0; font-size: 1.15rem; }

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--dk-gray-light);
  font-size: 0.95rem;
}

th { background: var(--dk-bg); font-weight: 700; }

/* Stepper del workflow 5 stati */
.stepper {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 1rem 0 1.5rem;
}

.stepper .step {
  flex: 1 1 120px;
  min-width: 120px;
  padding: 0.6rem 0.5rem;
  background: var(--dk-white);
  border: 2px solid var(--dk-gray-light);
  border-radius: 6px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--dk-charcoal);
}

.stepper .step.done {
  background: var(--dk-charcoal);
  color: var(--dk-white);
  border-color: var(--dk-charcoal);
}
.stepper .step.current {
  background: var(--dk-red);
  color: var(--dk-white);
  border-color: var(--dk-red-dark);
  font-weight: 700;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  font-size: 0.78rem;
  background: var(--dk-gray-light);
  color: var(--dk-black);
}

.badge.state-bozza_ai              { background: #f0e6c8; color: #7a5b00; }
.badge.state-supervisione_fornitore { background: #d5e6f7; color: #114f80; }
.badge.state-revisione_cliente     { background: #e1d6f2; color: #4a2e7a; }
.badge.state-validazione_rup       { background: #f8dcdc; color: #7a1210; }
.badge.state-firmato               { background: #d4edda; color: #14532d; }

.row { display: flex; gap: 1rem; flex-wrap: wrap; }
.row > * { flex: 1 1 300px; }

.notice {
  padding: 0.75rem 1rem;
  border-left: 4px solid var(--dk-warn);
  background: #fff8e6;
  border-radius: 4px;
  margin: 0.5rem 0 1rem;
}

.error {
  padding: 0.75rem 1rem;
  border-left: 4px solid var(--dk-red);
  background: #fceceb;
  color: var(--dk-red-dark);
  border-radius: 4px;
  margin: 0.5rem 0 1rem;
}

footer.footer {
  padding: 1rem 1.5rem;
  color: var(--dk-gray);
  font-size: 0.85rem;
  text-align: center;
}

.login-card {
  max-width: 400px;
  margin: 4rem auto;
}

.login-card img.logo { display: block; margin: 0 auto 1rem; height: 80px; }

/* Riduzione motion per chi preferisce */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}