/* Mathison Evidence Processor — aligned with supplied mockup design system */
:root {
  --bg: #F4F6FA;
  --surface: #FFFFFF;
  --surface-2: #FAFBFD;
  --line: #E1E6EF;
  --line-strong: #C9D1DE;
  --ink: #0B1E33;
  --ink-2: #2B3A52;
  --ink-3: #5A6A82;
  --ink-4: #8A97AC;
  --accent: #0F3D2E;
  --accent-2: #1A6B4D;
  --accent-soft: #E6EFEA;
  --danger: #8E2C2C;
  --danger-soft: #F4E0E0;
  --info: #2D5C8F;
  --info-soft: #E5EEF8;
  --shadow-card: 0 1px 0 rgba(11,30,51,.04), 0 1px 2px rgba(11,30,51,.04);
  --shadow-hover: 0 4px 14px rgba(11,30,51,.08), 0 1px 0 rgba(11,30,51,.04);
  --radius: 4px;
  --radius-lg: 6px;
  --font-sans: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01", "cv11";
}
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }

/* App chrome */
.app-header {
  min-height: 56px;
  padding: 0 28px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.005em;
}
.brand small {
  display: block;
  color: var(--ink-3);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.brand-mark,
.mark {
  width: 28px;
  height: 28px;
  background: var(--accent);
  border-radius: 3px;
  position: relative;
  flex: 0 0 auto;
}
.brand-mark::after,
.mark::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1.5px solid currentColor;
  border-right: none;
  border-bottom: none;
  color: var(--surface);
}
.logout-form { margin: 0; }
.app-shell { max-width: 1120px; margin: 0 auto; padding: 32px; }

/* Buttons */
.btn,
button,
.primary-button,
.button-primary {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--ink);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 500;
  padding: 8px 12px;
  text-decoration: none;
  transition: background .15s, border-color .15s, color .15s;
}
.btn:hover,
button:hover,
.primary-button:hover,
.button-primary:hover { background: var(--surface-2); border-color: var(--line-strong); color: var(--ink); }
.btn.primary,
.primary-button,
.button-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn.primary:hover,
.primary-button:hover,
.button-primary:hover { background: var(--accent-2); border-color: var(--accent-2); color: #fff; }
.btn.ghost { background: transparent; border-color: transparent; color: var(--ink-3); }
.btn.ghost:hover { background: var(--surface-2); color: var(--ink); }

/* Flash messages */
.flash-stack { display: grid; gap: 8px; margin-bottom: 18px; }
.flash {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  color: var(--ink-2);
  margin: 0;
  padding: 11px 14px;
}
.flash-error { background: var(--danger-soft); border-color: #E0B8B8; color: var(--danger); }
.flash-info { background: var(--info-soft); border-color: #C7D9EE; color: var(--info); }

/* Login */
.login-body { background: var(--bg); }
.login-shell {
  min-height: 100vh;
  padding: 0;
  position: relative;
}
.login-shell .flash-stack {
  left: 50%;
  max-width: 360px;
  position: absolute;
  top: 24px;
  transform: translateX(28px);
  width: calc(50% - 96px);
  z-index: 3;
}
.login {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg);
}
.login-aside {
  background: var(--ink);
  color: var(--surface);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  padding: 48px;
  position: relative;
}
.login-aside .brand-block {
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
  z-index: 1;
}
.login-aside .brand-block .mark { width: 36px; height: 36px; }
.login-aside .brand-block .mark::after { inset: 8px; border-width: 2px; color: var(--ink); }
.login-aside .brand-block .name {
  color: var(--surface);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.005em;
  line-height: 1.1;
}
.login-aside .brand-block small {
  color: rgba(255,255,255,.55);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.login-aside-copy { position: relative; z-index: 1; }
.login-aside h2 {
  color: var(--surface);
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin: 0;
  max-width: 380px;
}
.login-aside-copy p {
  color: rgba(255,255,255,.55);
  font-size: 13px;
  margin: 16px 0 0;
  max-width: 380px;
}
.login-aside .gridlines {
  position: absolute;
  inset: 80px -200px 80px 40%;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
  -webkit-mask: radial-gradient(ellipse at right, rgba(0,0,0,.7), transparent 70%);
  mask: radial-gradient(ellipse at right, rgba(0,0,0,.7), transparent 70%);
}
.login-aside .stamp {
  color: rgba(255,255,255,.5);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 12px;
  position: relative;
  z-index: 1;
}
.login-aside .stamp .div { background: rgba(255,255,255,.3); height: 1px; width: 24px; }
.login-form-wrap {
  align-items: center;
  display: flex;
  justify-content: center;
  padding: 48px;
}
.login-form { max-width: 360px; width: 100%; }
.login-form h1 {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
}
.login-form > p {
  color: var(--ink-3);
  font-size: 13px;
  margin: 0 0 28px;
}
.login-form .btn.primary { width: 100%; padding: 10px 12px; font-size: 13px; }
.login-row {
  align-items: center;
  color: var(--ink-3);
  display: flex;
  font-size: 12px;
  justify-content: space-between;
  margin: 6px 0 16px;
}
.login-footnote {
  color: var(--ink-4) !important;
  font-size: 11.5px !important;
  margin-top: 22px !important;
  text-align: center;
}

/* Forms */
.field,
.form-card label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.field label,
.form-card label {
  color: var(--ink-2);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .02em;
}
input,
select,
textarea {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--ink);
  font-size: 13px;
  outline: none;
  padding: 9px 12px;
  transition: border-color .12s, box-shadow .12s;
  width: 100%;
}
input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.field-error {
  color: var(--danger);
  font-size: 12px;
  font-weight: 600;
  margin: 0;
}

/* Cards and content */
.page-heading {
  align-items: flex-end;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 1.5rem;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 18px;
}
.page-heading h1,
.form-card h1 { font-size: 22px; font-weight: 500; letter-spacing: -0.01em; margin: 0 0 6px; }
.page-heading p:not(.eyebrow),
.form-card > p:not(.eyebrow) { color: var(--ink-3); font-size: 13px; margin: 0; }
.eyebrow {
  color: var(--ink-4);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .08em;
  margin: 0 0 6px;
  text-transform: uppercase;
}
.card-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card,
.auth-card,
.dashboard-hero {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 18px 20px;
}
.card:hover { box-shadow: var(--shadow-hover); }
.card h2 { font-size: 16px; font-weight: 500; letter-spacing: -0.005em; margin: 0 0 12px; }
.auth-card { max-width: 440px; margin: 64px auto; }
.auth-card form,
.form-card form { display: grid; gap: 0; margin-top: 18px; }
.form-card { max-width: 680px; }
.metadata-list { display: grid; gap: 10px; margin: 14px 0 18px; }
.metadata-list div { display: grid; grid-template-columns: 1fr auto; gap: 16px; }
.metadata-list dt { color: var(--ink-3); font-weight: 500; }
.metadata-list dd { font-family: var(--font-mono); font-size: 12px; margin: 0; text-align: right; }
.action-row { display: flex; flex-wrap: wrap; gap: 12px; font-size: 13px; }
.table-card { overflow-x: auto; }
.table-card table { border-collapse: collapse; width: 100%; }
.table-card th,
.table-card td { border-bottom: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.table-card th { color: var(--ink-3); font-size: 11.5px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }

@media (max-width: 860px) {
  .login { grid-template-columns: 1fr; }
  .login-aside { min-height: 360px; padding: 32px; }
  .login-form-wrap { padding: 36px 24px; }
  .login-shell .flash-stack { left: 24px; right: 24px; top: 16px; transform: none; width: auto; max-width: none; }
}
@media (max-width: 720px) {
  .app-header, .app-shell { padding-left: 18px; padding-right: 18px; }
  .page-heading { align-items: stretch; flex-direction: column; }
  .metadata-list div { grid-template-columns: 1fr; gap: 2px; }
  .metadata-list dd { text-align: left; }
}