:root {
  --navy: #0f2540;
  --navy-dark: #0a1a2e;
  --blue: #1d5fa8;
  --blue-hover: #164a86;
  --green: #1e7a3d;
  --green-bg: #e8f5ec;
  --amber: #92610a;
  --amber-bg: #fdf3dd;
  --red: #b3261e;
  --red-bg: #fceceb;
  --gray-50: #f7f8fa;
  --gray-100: #eef1f5;
  --gray-200: #dde2e8;
  --gray-400: #9aa5b1;
  --gray-600: #5b6570;
  --gray-800: #2b323a;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(15, 37, 64, 0.08), 0 1px 2px rgba(15, 37, 64, 0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.5;
}

.page-header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: #fff;
  padding: 28px 0;
}
.page-header__inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}
.page-header h1 {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: 0.2px;
}
.subtitle {
  margin: 4px 0 0;
  color: #c3d2e6;
  font-size: 0.95rem;
}

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 28px 24px 64px;
}

/* Stepper */
.stepper {
  display: flex;
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  counter-reset: step;
}
.stepper__item {
  flex: 1;
  text-align: center;
  position: relative;
  color: var(--gray-400);
}
.stepper__item:not(:first-child)::before {
  content: "";
  position: absolute;
  top: 15px;
  left: -50%;
  width: 100%;
  height: 2px;
  background: var(--gray-200);
  z-index: 0;
}
.stepper__item.done:not(:first-child)::before,
.stepper__item.active:not(:first-child)::before {
  background: var(--blue);
}
.stepper__dot {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--gray-200);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--gray-400);
}
.stepper__item.active .stepper__dot {
  border-color: var(--blue);
  color: var(--blue);
}
.stepper__item.done .stepper__dot {
  border-color: var(--green);
  background: var(--green);
  color: #fff;
}
.stepper__label {
  display: block;
  margin-top: 6px;
  font-size: 0.8rem;
  font-weight: 500;
}
.stepper__item.active .stepper__label { color: var(--blue); }
.stepper__item.done .stepper__label { color: var(--green); }

/* Panels */
.panel {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 28px;
  margin-bottom: 20px;
}
.panel__title {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 14px;
  color: var(--navy);
}
.panel__title:not(:first-child) { margin-top: 28px; }
.panel__actions {
  margin-top: 24px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hidden { display: none !important; }

/* Period */
.period-row {
  display: flex;
  gap: 20px;
  align-items: flex-end;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.period-row label {
  display: flex;
  flex-direction: column;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gray-600);
  gap: 6px;
}
.period-row select {
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--gray-200);
  font-size: 0.95rem;
  min-width: 140px;
  background: #fff;
}
.period-locked {
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
}

/* Dropzone */
.dropzone {
  border: 2px dashed var(--gray-200);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  background: var(--gray-50);
}
.dropzone:hover, .dropzone.dropzone--active, .dropzone:focus-visible {
  border-color: var(--blue);
  background: #eef4fb;
  outline: none;
}
.dropzone__title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--navy);
  margin: 0 0 4px;
}
.dropzone__or {
  color: var(--gray-400);
  margin: 8px 0;
  font-size: 0.85rem;
}
.dropzone__hint {
  margin: 14px 0 0;
  font-size: 0.8rem;
  color: var(--gray-600);
}

/* Buttons */
.btn {
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
}
.btn--primary {
  background: var(--blue);
  color: #fff;
}
.btn--primary:hover:not(:disabled) { background: var(--blue-hover); }
.btn--primary:disabled {
  background: var(--gray-200);
  color: var(--gray-400);
  cursor: not-allowed;
}
.btn--secondary {
  background: #fff;
  color: var(--navy);
  border-color: var(--gray-200);
}
.btn--secondary:hover { background: var(--gray-100); }
.btn--large { padding: 14px 28px; font-size: 1.05rem; }

/* Report / upload lists */
.report-list, .check-list, .finding-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.report-list__empty {
  color: var(--gray-400);
  font-size: 0.9rem;
  padding: 8px 0;
}
.report-list li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 9px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.92rem;
}
.report-list li:last-child { border-bottom: none; }
.report-row { display: flex; align-items: center; gap: 10px; }
.status-icon { font-weight: 700; width: 18px; text-align: center; flex-shrink: 0; }
.status-icon--ok { color: var(--green); }
.status-icon--pending { color: var(--gray-400); }
.status-icon--warn { color: var(--amber); }
.status-icon--error { color: var(--red); }
.report-name { flex: 1; }
.report-tag {
  font-size: 0.75rem;
  color: var(--gray-400);
  font-weight: 600;
}
.report-status-text {
  font-size: 0.8rem;
  font-weight: 600;
}
.report-status-text--ready { color: var(--green); }
.report-status-text--missing { color: var(--red); }
.report-files {
  padding-left: 28px;
  font-size: 0.78rem;
  color: var(--gray-600);
}
.report-files--ambiguous { color: var(--amber); font-weight: 600; }

.upload-summary {
  margin: 0 0 10px;
  font-weight: 600;
  color: var(--navy);
  font-size: 0.9rem;
}

.detection-summary {
  margin: 14px 0 0;
  font-weight: 600;
  color: var(--navy);
}

.rejected-list {
  margin-top: 14px;
  background: var(--red-bg);
  border: 1px solid #f0c9c6;
  border-radius: 6px;
  padding: 12px 16px;
}
.rejected-list p { margin: 4px 0; font-size: 0.85rem; color: var(--red); }

/* Status banner (PASS / WARNING / ERROR) */
.status-banner {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 16px;
  letter-spacing: 0.4px;
}
.status-banner--pass { background: var(--green-bg); color: var(--green); }
.status-banner--warning { background: var(--amber-bg); color: var(--amber); }
.status-banner--error { background: var(--red-bg); color: var(--red); }

.check-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  font-size: 0.92rem;
}

.finding-block { margin-top: 18px; }
.finding-block h3 { margin: 0 0 8px; font-size: 0.95rem; color: var(--navy); }
.finding-list li {
  padding: 6px 0;
  font-size: 0.88rem;
}
.finding-list--warning li { color: var(--amber); }
.finding-list--error li { color: var(--red); }
.finding-report-tag { color: var(--gray-600); font-weight: 600; }

.hint-text {
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--gray-600);
}

/* Generating */
.spinner {
  width: 40px;
  height: 40px;
  margin: 12px auto 20px;
  border: 4px solid var(--gray-200);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.generating-text {
  text-align: center;
  color: var(--gray-600);
  max-width: 460px;
  margin: 0 auto;
}

/* Result */
.result-period {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--navy);
  margin: 0 0 16px;
}
.final-validation-line {
  margin-top: 18px;
  font-size: 0.95rem;
}

/* Alert */
.alert {
  background: var(--red-bg);
  border: 1px solid #f0c9c6;
  color: var(--red);
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 18px;
  font-size: 0.9rem;
}

.page-footer {
  text-align: center;
  color: var(--gray-400);
  font-size: 0.78rem;
  padding: 20px 0 40px;
}

@media (max-width: 600px) {
  .panel { padding: 18px 16px; }
  .stepper__label { font-size: 0.7rem; }
  .period-row { gap: 12px; }
}

/* ---------------------------------------------------------------------
   Header user menu (dashboard + CISA portal)
--------------------------------------------------------------------- */
.page-header__inner--dashboard {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.user-menu {
  display: flex;
  align-items: center;
  gap: 14px;
}
.user-menu__name {
  color: #c3d2e6;
  font-size: 0.9rem;
  font-weight: 500;
}
.user-menu__back {
  color: #c3d2e6;
  font-size: 0.85rem;
  text-decoration: none;
}
.user-menu__back:hover { color: #fff; text-decoration: underline; }
.user-menu__logout-form { margin: 0; }
.btn--small { padding: 6px 14px; font-size: 0.85rem; }

/* ---------------------------------------------------------------------
   Login page
--------------------------------------------------------------------- */
.auth-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
}
.auth-container {
  width: 100%;
  max-width: 380px;
  padding: 24px;
}
.auth-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px 28px;
}
.auth-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  text-align: center;
}
.auth-subtitle {
  margin: 4px 0 24px;
  color: var(--gray-600);
  text-align: center;
  font-size: 0.9rem;
}
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.auth-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-600);
}
.auth-field input {
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid var(--gray-200);
  font-size: 0.95rem;
  font-family: inherit;
}
.auth-field input:focus {
  outline: none;
  border-color: var(--blue);
}
.auth-submit { width: 100%; margin-top: 4px; }
.auth-footnote {
  text-align: center;
  color: #c3d2e6;
  font-size: 0.78rem;
  margin-top: 18px;
}

/* ---------------------------------------------------------------------
   Dashboard module cards
--------------------------------------------------------------------- */
.dashboard__heading { margin-bottom: 16px; }
.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 18px;
}
.module-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.module-card--locked { opacity: 0.6; }
.module-card__name {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--navy);
}
.module-card__desc {
  margin: 0;
  font-size: 0.85rem;
  color: var(--gray-600);
  flex: 1;
}
.module-card__action {
  align-self: flex-start;
  text-decoration: none;
  margin-top: 6px;
}
.module-card__action--disabled {
  color: var(--gray-400);
  font-size: 0.85rem;
  font-weight: 600;
}