/*
* empp.css
* EMPP theme layer. Loaded after the Sneat core/theme CSS and overrides it.
* Direction: scientific instrument — logo blue, cool neutrals, IBM Plex,
* numbers set in mono with tabular figures.
******************************************************************************/

:root {
  /* Brand (sampled from the EMPP logo) */
  --empp-primary: #34498c;
  --empp-primary-rgb: 52, 73, 140;
  --empp-primary-hover: #2a3c75;
  --empp-primary-active: #233264;
  --empp-primary-soft: #eceff7;
  --empp-primary-deep: #1a2547;

  /* Neutrals */
  --empp-ink: #19202e;
  --empp-text: #3c4557;
  --empp-muted: #6a7284;
  --empp-line: #e1e4ea;
  --empp-line-strong: #cdd2db;
  --empp-bg: #f3f4f6;
  --empp-surface: #ffffff;
  /* Behind SEM micrographs: close to the microscope's own black */
  --empp-stage: #0e1320;

  /* Status */
  --empp-success: #1f7a5a;
  --empp-warning: #a86400;
  --empp-danger: #b3261e;

  /* Type */
  --empp-font: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --empp-mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Consolas, monospace;

  /* Shape */
  --empp-radius: 6px;
  --empp-radius-sm: 4px;
  --empp-shadow: 0 1px 2px rgba(25, 32, 46, 0.06);

  /* Bootstrap variables */
  --bs-primary: var(--empp-primary);
  --bs-primary-rgb: var(--empp-primary-rgb);
  --bs-body-font-family: var(--empp-font);
  --bs-font-sans-serif: var(--empp-font);
  --bs-font-monospace: var(--empp-mono);
  --bs-body-color: var(--empp-text);
  --bs-body-bg: var(--empp-bg);
  --bs-border-color: var(--empp-line);
  --bs-link-color: var(--empp-primary);
  --bs-link-hover-color: var(--empp-primary-hover);
}

/*
* Base
******************************************************************************/

body {
  font-family: var(--empp-font);
  color: var(--empp-text);
  background-color: var(--empp-bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  color: var(--empp-ink);
  font-weight: 600;
  letter-spacing: -0.01em;
}

a {
  color: var(--empp-primary);
}
a:hover {
  color: var(--empp-primary-hover);
}

.text-primary {
  color: var(--empp-primary) !important;
}
.bg-primary {
  background-color: var(--empp-primary) !important;
}
.text-muted {
  color: var(--empp-muted) !important;
}

code, kbd, pre, samp {
  font-family: var(--empp-mono);
}

::selection {
  background: rgba(var(--empp-primary-rgb), 0.18);
}

/*
* Instrument utilities — for data readouts across the app
******************************************************************************/

/* Small uppercase label above a value or section */
.empp-eyebrow {
  display: block;
  font-family: var(--empp-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--empp-muted);
}

/* Any number that should line up in columns */
.empp-num {
  font-family: var(--empp-mono);
  font-variant-numeric: tabular-nums;
}

/* Large measured/predicted value with its unit */
.empp-readout {
  font-family: var(--empp-mono);
  font-variant-numeric: tabular-nums;
  font-size: 2.25rem;
  font-weight: 500;
  line-height: 1.1;
  color: var(--empp-ink);
  letter-spacing: -0.02em;
}
.empp-readout .empp-unit {
  font-size: 0.5em;
  font-weight: 400;
  color: var(--empp-muted);
  margin-left: 0.3em;
}

/*
* Cards
******************************************************************************/

.card {
  border: 1px solid var(--empp-line);
  border-radius: var(--empp-radius);
  box-shadow: var(--empp-shadow);
}
.card-header {
  border-bottom: 1px solid var(--empp-line);
  color: var(--empp-ink);
  font-weight: 600;
}
.card-header + .card-body {
  padding-top: 1.5rem !important;
}
.card-footer {
  border-top: 1px solid var(--empp-line);
}

/*
* Buttons
******************************************************************************/

.btn {
  font-weight: 500;
  border-radius: var(--empp-radius-sm);
  letter-spacing: 0;
}
.btn.rounded-pill {
  border-radius: var(--empp-radius-sm) !important;
}

.btn-primary {
  color: #fff;
  background-color: var(--empp-primary);
  border-color: var(--empp-primary);
  box-shadow: none;
}
.btn-primary:hover,
.btn-primary:focus,
.btn-primary.focus {
  color: #fff;
  background-color: var(--empp-primary-hover);
  border-color: var(--empp-primary-hover);
  box-shadow: none;
  transform: none;
}
.btn-primary:active,
.btn-primary.active,
.btn-check:checked + .btn-primary,
.show > .btn-primary.dropdown-toggle {
  color: #fff;
  background-color: var(--empp-primary-active) !important;
  border-color: var(--empp-primary-active) !important;
}
.btn-primary:disabled,
.btn-primary.disabled {
  background-color: var(--empp-primary);
  border-color: var(--empp-primary);
  opacity: 0.55;
  box-shadow: none;
}

.btn-outline-primary {
  color: var(--empp-primary);
  border-color: var(--empp-primary);
}
.btn-outline-primary:hover,
.btn-outline-primary:active,
.btn-outline-primary.active {
  color: #fff;
  background-color: var(--empp-primary);
  border-color: var(--empp-primary);
  box-shadow: none;
  transform: none;
}

/* Secondary actions (Cancel, Choose another image): neutral, but legible */
.btn-outline-secondary {
  color: var(--empp-text);
  border-color: var(--empp-line-strong);
  background-color: var(--empp-surface);
}
.btn-outline-secondary:hover,
.btn-outline-secondary:focus-visible {
  color: var(--empp-ink);
  border-color: var(--empp-muted);
  background-color: var(--empp-bg);
  box-shadow: none;
  transform: none;
}
.btn-outline-secondary:active,
.btn-outline-secondary.active {
  color: var(--empp-ink) !important;
  border-color: var(--empp-muted) !important;
  background-color: var(--empp-line) !important;
}

.btn-label-primary {
  color: var(--empp-primary);
  background-color: var(--empp-primary-soft);
  border-color: transparent;
}

.btn:focus-visible {
  outline: 2px solid rgba(var(--empp-primary-rgb), 0.45);
  outline-offset: 2px;
}

/*
* Forms
******************************************************************************/

.form-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--empp-text);
}

.form-control,
.form-select,
.input-group-text {
  border-color: var(--empp-line-strong);
  border-radius: var(--empp-radius-sm);
  color: var(--empp-ink);
}
/* Example values: readable (4.5:1 on white) yet lighter than typed text */
.form-control::placeholder {
  color: var(--empp-muted);
  opacity: 1;
}
.form-control:focus,
.form-select:focus,
.input-group:focus-within .form-control,
.input-group:focus-within .input-group-text {
  border-color: var(--empp-primary) !important;
  box-shadow: 0 0 0 3px rgba(var(--empp-primary-rgb), 0.12) !important;
}
.input-group:focus-within .form-control,
.input-group:focus-within .input-group-text {
  box-shadow: none !important;
}
.input-group:focus-within {
  border-radius: var(--empp-radius-sm);
  box-shadow: 0 0 0 3px rgba(var(--empp-primary-rgb), 0.12);
}

/* Invalid wins over the focus ring, so an error stays visible while typing */
.form-control.is-invalid,
.form-control.is-invalid:focus,
.input-group:focus-within .form-control.is-invalid {
  border-color: var(--empp-danger) !important;
  box-shadow: 0 0 0 3px rgba(179, 38, 30, 0.12) !important;
}
.input-group:has(.form-control.is-invalid) .input-group-text {
  border-color: var(--empp-danger) !important;
}

/* A titled group of fields inside a form card */
.empp-fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}
.empp-fieldset + .empp-fieldset {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--empp-line);
}
/* Floated, the legend sits in normal flow instead of on the fieldset border
   (Bootstrap's reboot clears the element after it) */
.empp-fieldset > legend {
  float: left;
  width: 100%;
  margin: 0 0 1rem;
  padding: 0;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--empp-ink);
}
/* A gutter row already opens with its own top gap */
.empp-fieldset > legend:has(+ .row) {
  margin-bottom: 0;
}
.empp-fieldset > legend + .row {
  margin-top: 0;
}
.empp-fieldset > legend small {
  display: block;
  margin-top: 0.125rem;
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--empp-muted);
}

.form-check-input:focus {
  border-color: var(--empp-primary);
  box-shadow: 0 0 0 3px rgba(var(--empp-primary-rgb), 0.15);
}
.form-check-input:checked,
.form-check-input[type='checkbox']:indeterminate {
  background-color: var(--empp-primary);
  border-color: var(--empp-primary);
  box-shadow: none;
}

/*
* Tables & DataTables
******************************************************************************/

.table {
  --bs-table-color: var(--empp-text);
  border-color: var(--empp-line);
}
.table th,
.table thead th {
  font-family: var(--empp-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--empp-muted);
}
.table td {
  color: var(--empp-text);
}

/* Whole-row links (tr[data-href], see empp-rows.js) */
.table tr[data-href] {
  cursor: pointer;
}
.table tr[data-href]:hover > td {
  --bs-table-accent-bg: var(--empp-primary-soft);
  --bs-table-bg-state: var(--empp-primary-soft);
  background-color: var(--empp-primary-soft);
}
.table tr[data-href]:focus-visible {
  outline: 2px solid rgba(var(--empp-primary-rgb), 0.45);
  outline-offset: -2px;
}

.page-item.active .page-link,
.pagination li.active > a:not(.page-link) {
  background-color: var(--empp-primary) !important;
  border-color: var(--empp-primary) !important;
  box-shadow: none !important;
}
.page-link {
  color: var(--empp-text);
  border-radius: var(--empp-radius-sm) !important;
}

/*
* Misc components
******************************************************************************/

.dropdown-menu {
  border: 1px solid var(--empp-line);
  border-radius: var(--empp-radius);
  box-shadow: 0 8px 24px rgba(25, 32, 46, 0.1);
}
.dropdown-item:not(.disabled):active,
.dropdown-item:not(.disabled).active {
  color: var(--empp-primary);
  background-color: var(--empp-primary-soft);
}

.nav-pills .nav-link.active,
.nav-pills .nav-link.active:hover,
.nav-pills .nav-link.active:focus {
  background-color: var(--empp-primary);
  box-shadow: none;
}

.progress-bar {
  background-color: var(--empp-primary);
  box-shadow: none;
}

.bg-label-primary {
  color: var(--empp-primary) !important;
  background-color: var(--empp-primary-soft) !important;
}

.alert {
  border-radius: var(--empp-radius);
}

.swal2-popup {
  font-family: var(--empp-font);
  border-radius: var(--empp-radius) !important;
}
.swal2-styled.swal2-confirm {
  background-color: var(--empp-primary) !important;
  border-radius: var(--empp-radius-sm) !important;
}

/*
* Layout: side menu
******************************************************************************/

.bg-menu-theme {
  background-color: var(--empp-surface) !important;
  color: var(--empp-text);
}
.layout-menu {
  border-right: 1px solid var(--empp-line);
  box-shadow: none !important;
}

.menu .app-brand.demo {
  height: auto;
  margin-top: 0;
  padding-top: 1.5rem;
  padding-bottom: 1.25rem;
}
.menu .app-brand-logo img {
  width: 100%;
  max-width: 168px !important;
  height: auto;
}

.menu-inner-shadow {
  display: none !important;
}

.layout-menu hr {
  margin: 0.75rem 1.5rem;
  border-color: var(--empp-line);
  opacity: 1;
}

.bg-menu-theme .menu-inner > .menu-item > .menu-link {
  margin: 1px 0.75rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--empp-radius-sm);
  color: var(--empp-text);
  font-weight: 500;
}
.bg-menu-theme .menu-inner > .menu-item:not(.active) > .menu-link:hover {
  background-color: var(--empp-bg) !important;
  color: var(--empp-ink);
}
.bg-menu-theme .menu-inner > .menu-item.active > .menu-link {
  color: var(--empp-primary) !important;
  background-color: var(--empp-primary-soft) !important;
  font-weight: 600;
}
.layout-wrapper:not(.layout-horizontal) .bg-menu-theme .menu-inner > .menu-item.active:before {
  background: var(--empp-primary);
  width: 3px;
  border-radius: 0 3px 3px 0;
  right: auto;
  left: 0;
}
.bg-menu-theme .menu-header {
  margin: 1.25rem 1.5rem 0.375rem;
  padding: 0;
}
.bg-menu-theme .menu-header:before {
  display: none;
}
.bg-menu-theme .menu-header .menu-header-text {
  font-family: var(--empp-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--empp-muted);
}
.bg-menu-theme .menu-inner > .menu-header:first-child {
  margin-top: 0.25rem;
}

.bg-menu-theme .menu-icon {
  width: 1.25rem;
  text-align: center;
  font-size: 1rem;
  color: inherit;
}

/*
* Layout: top navbar, content, footer
******************************************************************************/

.bg-navbar-theme {
  background-color: rgba(255, 255, 255, 0.92) !important;
  backdrop-filter: saturate(160%) blur(6px);
  color: var(--empp-text);
}
.layout-navbar.navbar-detached {
  border: 1px solid var(--empp-line);
  border-radius: var(--empp-radius);
  box-shadow: var(--empp-shadow) !important;
}

.empp-navbar-title {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}
.empp-navbar-title .empp-page {
  color: var(--empp-ink);
  font-weight: 600;
  font-size: 0.9375rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.empp-user-meta {
  text-align: right;
  line-height: 1.2;
}
.empp-user-meta .empp-user-name {
  display: block;
  color: var(--empp-ink);
  font-weight: 500;
  font-size: 0.875rem;
}

.avatar img {
  object-fit: cover;
  aspect-ratio: 1;
}

.bg-footer-theme {
  background-color: transparent !important;
  color: var(--empp-muted);
  font-size: 0.8125rem;
}

/*
* Step indicator (multi-step flows)
******************************************************************************/

.empp-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.empp-steps li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--empp-muted);
  /* A step wraps as a whole, never mid-label */
  white-space: nowrap;
}
.empp-steps li span {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--empp-mono);
  font-size: 0.6875rem;
  border: 2px solid var(--empp-line-strong);
  background: var(--empp-surface);
}
.empp-steps li.is-current {
  color: var(--empp-ink);
  font-weight: 600;
}
.empp-steps li.is-current span {
  border-color: var(--empp-primary);
  color: var(--empp-primary);
}
.empp-steps li.is-done span {
  border-color: var(--empp-primary);
  background: var(--empp-primary);
  color: #fff;
}

/*
* Dropzone (file upload)
******************************************************************************/

.empp-dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 280px;
  padding: 2rem;
  text-align: center;
  border: 2px dashed var(--empp-line-strong);
  border-radius: var(--empp-radius);
  background: var(--empp-bg);
  color: var(--empp-muted);
  cursor: pointer;
  transition: border-color 0.15s, background-color 0.15s;
}
.empp-dropzone:hover,
.empp-dropzone.is-dragover {
  border-color: var(--empp-primary);
  background: var(--empp-primary-soft);
}
.empp-dropzone i {
  font-size: 2.5rem;
  color: var(--empp-primary);
}
.empp-dropzone strong {
  color: var(--empp-ink);
  font-weight: 600;
}

/*
* Account pages (profile, password, photo)
******************************************************************************/

.account-page {
  max-width: 720px;
}
.account-tabs {
  border-bottom: 1px solid var(--empp-line);
}
.account-tabs .nav-link {
  padding: 0.625rem 0.25rem;
  margin-right: 1.5rem;
  border-bottom: 2px solid transparent;
  color: var(--empp-muted);
  font-weight: 500;
}
.account-tabs .nav-link:hover {
  color: var(--empp-ink);
}
.account-tabs .nav-link.active {
  color: var(--empp-primary);
  border-bottom-color: var(--empp-primary);
}

/* Older single-form pages centred with the template's auth wrapper */
.layout-page .authentication-inner {
  max-width: 720px;
  margin: 0 auto;
}

/*
* Auth screens (sign in, sign up, forgot password)
******************************************************************************/

.auth-shell {
  display: grid;
  grid-template-columns: minmax(340px, 44%) 1fr;
  min-height: 100vh;
  background: var(--empp-surface);
}

/* Left: brand panel with nanofiber texture */
.auth-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2.5rem;
  padding: 3rem clamp(2rem, 4vw, 4rem);
  color: #d9def0;
  background-color: var(--empp-primary-deep);
  overflow: hidden;
  isolation: isolate;
}
.auth-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -2;
  background: url('../../../img/fibers.svg') center / cover no-repeat;
  opacity: 0.55;
}
.auth-panel::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(26, 37, 71, 0.35) 0%, rgba(26, 37, 71, 0.2) 35%, rgba(26, 37, 71, 0.94) 72%),
    linear-gradient(90deg, rgba(52, 73, 140, 0.35), rgba(26, 37, 71, 0));
}

.auth-panel-logo {
  width: 180px;
  height: auto;
}

.auth-panel h1 {
  color: #fff;
  font-size: clamp(1.75rem, 2.6vw, 2.375rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  max-width: 18ch;
}
.auth-panel p {
  max-width: 44ch;
  margin-bottom: 0;
  color: #bfc7e0;
}
.auth-panel .empp-eyebrow {
  color: #8f9bc4;
  margin-bottom: 0.75rem;
}

/* Workflow steps: SEM image → features → porosity → filtration */
.auth-steps {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.auth-steps li {
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  align-items: baseline;
  padding: 0.7rem 0;
  color: #e6e9f4;
  font-size: 0.9375rem;
}
.auth-steps li span {
  font-family: var(--empp-mono);
  font-size: 0.75rem;
  color: #8f9bc4;
}

.auth-panel-foot {
  font-size: 0.8125rem;
  color: #8f9bc4;
}

/* Right: form column */
.auth-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
}
.auth-form {
  width: 100%;
  max-width: 400px;
}
.auth-form.auth-form-wide {
  max-width: 560px;
}
.auth-form-logo {
  display: none;
  width: 150px;
  height: auto;
  margin-bottom: 2rem;
}
.auth-form h2 {
  font-size: 1.625rem;
  margin: 0.5rem 0 0.5rem;
}
.auth-form .auth-lead {
  color: var(--empp-muted);
  margin-bottom: 2rem;
}
.auth-form .btn-primary {
  padding-top: 0.625rem;
  padding-bottom: 0.625rem;
}
.auth-switch {
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--empp-line);
  color: var(--empp-muted);
  font-size: 0.875rem;
}
.auth-switch a {
  font-weight: 500;
}

/* Email verification: the code is typed as a mono readout */
.verify-email-address {
  color: var(--empp-ink);
  font-weight: 500;
  word-break: break-all;
}
.auth-form .verify-code-input {
  height: 3.5rem;
  font-family: var(--empp-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.75rem;
  font-weight: 500;
  letter-spacing: 0.5em;
  text-align: center;
  padding-left: 0.5em; /* balances the trailing letter-spacing */
  color: var(--empp-ink);
}
.auth-form .verify-code-input::placeholder {
  color: var(--empp-line-strong);
  opacity: 1;
}
.auth-note {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  padding: 0.875rem 1rem;
  background: var(--empp-primary-soft);
  border-radius: var(--empp-radius-sm);
  color: var(--empp-text);
  font-size: 0.875rem;
  line-height: 1.5;
}
.auth-note .bx {
  flex: none;
  margin-top: 0.125rem;
  font-size: 1.125rem;
  color: var(--empp-primary);
}
.auth-note p {
  margin: 0;
}
.auth-note strong {
  color: var(--empp-ink);
  font-weight: 600;
}
.auth-note-sender {
  font-family: var(--empp-mono);
  font-size: 0.8125rem;
  color: var(--empp-ink);
  word-break: break-all;
}
.verify-resend {
  margin-top: 1.25rem;
  color: var(--empp-muted);
  font-size: 0.875rem;
}
.verify-resend .btn-link {
  font-size: inherit;
  font-weight: 500;
  vertical-align: baseline;
  text-decoration: none;
}
.verify-resend .btn-link:disabled {
  color: var(--empp-muted);
  opacity: 1;
}
.verify-resend-wait {
  font-family: var(--empp-mono);
  font-variant-numeric: tabular-nums;
}

/* Select2 (sign up country field) */
.auth-form .select2-container {
  width: 100% !important;
}
.auth-form .select2-container--default .select2-selection--single {
  height: calc(2.25rem + 2px);
  border-color: var(--empp-line-strong);
  border-radius: var(--empp-radius-sm);
}
.auth-form .select2-container--default .select2-selection--single .select2-selection__rendered {
  line-height: 2.25rem;
  padding-left: 0.875rem;
  color: var(--empp-ink);
}
.auth-form .select2-container--default .select2-selection--single .select2-selection__arrow {
  height: 2.25rem;
}
.select2-container--default .select2-results__option--highlighted[aria-selected],
.select2-container--default .select2-results__option--highlighted.select2-results__option--selectable {
  background-color: var(--empp-primary);
}
.select2-dropdown {
  border-color: var(--empp-line-strong);
  font-family: var(--empp-font);
}

@media (max-width: 991.98px) {
  .auth-shell {
    grid-template-columns: 1fr;
  }
  .auth-panel {
    display: none;
  }
  .auth-form-logo {
    display: block;
  }
  .auth-main {
    align-items: flex-start;
    padding: 2.5rem 1rem;
  }
}