/*
 * AI Math Coach — shared math-generator interface
 * Scoped to the mathgenerator namespace through the body class in base.html.
 * PrintJS uses its existing dedicated stylesheets, so worksheet printing remains stable.
 */

body.mathgenerator-ui {
  --mg-primary: #0d7665;
  --mg-primary-dark: #09594d;
  --mg-primary-soft: #eaf7f4;
  --mg-accent: #24b89d;
  --mg-ink: #203146;
  --mg-muted: #627186;
  --mg-line: #dce5e9;
  --mg-surface: #ffffff;
  --mg-canvas: #f5faf9;
  --mg-danger: #a43b4a;
  --mg-warning-bg: #fff8e7;
  --mg-warning-line: #f1d899;
  --mg-radius-sm: 9px;
  --mg-radius: 14px;
  --mg-radius-lg: 18px;
  --mg-shadow-sm: 0 4px 14px rgba(30, 62, 74, 0.07);
  --mg-shadow: 0 16px 44px rgba(30, 62, 74, 0.1);
  background: var(--mg-canvas);
  color: var(--mg-ink);
  font-size: 14px;
  line-height: 1.55;
}

body.mathgenerator-ui > #wrapper > #page-wrapper {
  min-height: 100vh;
  background: linear-gradient(180deg, #f4fbf9 0, #ffffff 520px) !important;
}

body.mathgenerator-ui a {
  color: var(--mg-primary);
  transition: color 0.18s ease;
}

body.mathgenerator-ui a:hover,
body.mathgenerator-ui a:focus {
  color: var(--mg-primary-dark);
  text-decoration: none;
}

/* Shared top navigation */
body.mathgenerator-ui > #wrapper > #page-wrapper > .row.border-bottom.white-bg {
  position: sticky;
  z-index: 1020;
  top: 0;
  border: 0 !important;
  background: rgba(255, 255, 255, 0.96) !important;
  box-shadow: 0 1px 0 rgba(32, 49, 70, 0.08), 0 8px 28px rgba(30, 62, 74, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

body.mathgenerator-ui .navbar-static-top {
  min-height: 62px;
  padding: 0;
  border: 0;
}

body.mathgenerator-ui .navbar-brand {
  display: inline-flex;
  min-height: 62px;
  align-items: center;
  padding: 0 24px;
  background: var(--mg-primary) !important;
  color: #fff !important;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.015em;
}

body.mathgenerator-ui .navbar-top-links > li > a,
body.mathgenerator-ui .navbar-top-links .dropdown-toggle {
  display: inline-flex;
  min-height: 62px;
  align-items: center;
  padding: 0 14px;
  color: #405064;
  font-size: 13px;
  font-weight: 600;
}

body.mathgenerator-ui .navbar-top-links > li > a:hover,
body.mathgenerator-ui .navbar-top-links > li > a:focus,
body.mathgenerator-ui .navbar-top-links .dropdown-toggle:hover,
body.mathgenerator-ui .navbar-top-links .dropdown-toggle:focus {
  background: var(--mg-primary-soft);
  color: var(--mg-primary-dark);
}

body.mathgenerator-ui .dropdown-menu {
  overflow: hidden;
  padding: 7px;
  border: 1px solid var(--mg-line);
  border-radius: 12px;
  box-shadow: var(--mg-shadow);
}

body.mathgenerator-ui .dropdown-menu > li > a {
  padding: 9px 11px;
  border-radius: 8px;
  color: #405064;
}

body.mathgenerator-ui .dropdown-menu > li > a:hover,
body.mathgenerator-ui .dropdown-menu > li > a:focus {
  background: var(--mg-primary-soft);
  color: var(--mg-primary-dark);
}

body.mathgenerator-ui .navbar-toggler {
  min-width: 44px;
  min-height: 44px;
  margin-right: 14px;
  border: 1px solid var(--mg-line);
  border-radius: 10px;
  background: var(--mg-primary-soft);
  color: var(--mg-primary-dark);
}

/* Main content frame */
body.mathgenerator-ui > #wrapper > #page-wrapper > .container {
  width: 100%;
  max-width: 1200px;
  padding-right: 24px;
  padding-left: 24px;
}

body.mathgenerator-ui .main-container {
  padding-top: 36px;
  padding-bottom: 48px;
}

body.mathgenerator-ui .gap {
  height: 28px;
}

body.mathgenerator-ui .page-heading {
  display: flex;
  align-items: center;
  min-height: 132px;
  margin: 28px 0 22px !important;
  padding: 25px 28px !important;
  border: 1px solid rgba(13, 118, 101, 0.11) !important;
  border-radius: var(--mg-radius-lg);
  background: linear-gradient(135deg, #ffffff 0%, #f1faf7 100%) !important;
  box-shadow: var(--mg-shadow-sm);
}

body.mathgenerator-ui .page-heading > [class*="col-"] {
  padding-top: 0;
  padding-bottom: 0;
}

body.mathgenerator-ui .page-heading h1,
body.mathgenerator-ui .page-heading h2 {
  margin: 0 0 10px;
  color: var(--mg-ink);
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

body.mathgenerator-ui .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  margin: 0;
  padding: 0;
  background: transparent;
  color: var(--mg-muted);
  font-size: 13px;
}

body.mathgenerator-ui .breadcrumb > li,
body.mathgenerator-ui .breadcrumb-item {
  color: var(--mg-muted);
}

body.mathgenerator-ui .breadcrumb > li + li::before,
body.mathgenerator-ui .breadcrumb-item + .breadcrumb-item::before {
  color: #9aabb2;
}

body.mathgenerator-ui .breadcrumb strong,
body.mathgenerator-ui .breadcrumb .active {
  color: var(--mg-ink);
  font-weight: 700;
}

body.mathgenerator-ui .category-top {
  margin-bottom: 24px;
  padding: 24px 26px;
  border: 1px solid var(--mg-line);
  border-radius: var(--mg-radius-lg);
  background: linear-gradient(135deg, #fff, #f1faf7);
  box-shadow: var(--mg-shadow-sm);
}

body.mathgenerator-ui .category-top h1,
body.mathgenerator-ui .category-top h2 {
  margin: 0;
  color: var(--mg-ink);
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 700;
  letter-spacing: -0.03em;
}

/* Cards and browse grids */
body.mathgenerator-ui .ibox {
  margin-bottom: 22px;
}

body.mathgenerator-ui .ibox-content {
  border: 1px solid var(--mg-line);
  border-radius: var(--mg-radius);
  background: var(--mg-surface);
  box-shadow: var(--mg-shadow-sm);
}

body.mathgenerator-ui .product-box {
  overflow: hidden;
  height: 100%;
  border: 1px solid var(--mg-line) !important;
  border-radius: var(--mg-radius) !important;
  background: #fff;
  box-shadow: var(--mg-shadow-sm) !important;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

body.mathgenerator-ui .product-box:hover {
  border-color: rgba(13, 118, 101, 0.32) !important;
  box-shadow: var(--mg-shadow) !important;
  transform: translateY(-3px);
}

body.mathgenerator-ui .product-box img {
  display: block;
  width: 100%;
  max-height: 220px;
  object-fit: contain;
  padding: 20px;
  background: #f8fbfb;
}

body.mathgenerator-ui .product-desc {
  padding: 19px 20px 20px;
}

body.mathgenerator-ui .product-name {
  color: var(--mg-ink) !important;
  font-size: 17px !important;
  font-weight: 700 !important;
  line-height: 1.35;
}

body.mathgenerator-ui .text-muted,
body.mathgenerator-ui small.text-muted {
  color: var(--mg-muted) !important;
}

/* Buttons and inputs */
body.mathgenerator-ui .btn {
  min-height: 42px;
  padding: 9px 16px;
  border-radius: var(--mg-radius-sm);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: none;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

body.mathgenerator-ui .btn:hover:not(:disabled),
body.mathgenerator-ui .btn:focus:not(:disabled) {
  transform: translateY(-1px);
}

body.mathgenerator-ui .btn-primary {
  border-color: var(--mg-primary) !important;
  background: var(--mg-primary) !important;
  color: #fff !important;
}

body.mathgenerator-ui .btn-primary:hover,
body.mathgenerator-ui .btn-primary:focus {
  border-color: var(--mg-primary-dark) !important;
  background: var(--mg-primary-dark) !important;
}

body.mathgenerator-ui .btn-outline.btn-primary,
body.mathgenerator-ui .btn-outline-primary {
  border-color: var(--mg-primary) !important;
  background: #fff !important;
  color: var(--mg-primary-dark) !important;
}

body.mathgenerator-ui .btn-outline.btn-primary:hover,
body.mathgenerator-ui .btn-outline-primary:hover {
  background: var(--mg-primary-soft) !important;
}

body.mathgenerator-ui .btn-default,
body.mathgenerator-ui .btn-white {
  border-color: #cbd7dc;
  background: #fff;
  color: var(--mg-ink);
}

body.mathgenerator-ui .btn-circle {
  min-width: 44px;
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 50%;
}

body.mathgenerator-ui .btn-xs {
  min-height: 36px;
  padding: 7px 12px;
}

body.mathgenerator-ui .form-control,
body.mathgenerator-ui input[type="text"],
body.mathgenerator-ui input[type="search"],
body.mathgenerator-ui input[type="number"],
body.mathgenerator-ui textarea,
body.mathgenerator-ui select {
  min-height: 44px;
  border: 1px solid #cbd7dc;
  border-radius: var(--mg-radius-sm);
  background: #fff;
  color: var(--mg-ink);
  font-size: 15px;
  box-shadow: none;
}

body.mathgenerator-ui .form-control:focus,
body.mathgenerator-ui input:focus,
body.mathgenerator-ui textarea:focus,
body.mathgenerator-ui select:focus {
  border-color: var(--mg-primary);
  box-shadow: 0 0 0 3px rgba(13, 118, 101, 0.14);
  outline: none;
}

body.mathgenerator-ui .input-group-addon,
body.mathgenerator-ui .input-group-text {
  border-color: #cbd7dc;
  background: var(--mg-primary-soft);
  color: var(--mg-primary-dark);
}

/* Worksheet screen surface */
body.mathgenerator-ui .wrapper-content {
  padding: 10px 0 28px;
}

body.mathgenerator-ui .description {
  display: block;
  margin: 0 0 18px;
  padding: 14px 17px;
  border-left: 4px solid var(--mg-accent);
  border-radius: 0 var(--mg-radius-sm) var(--mg-radius-sm) 0;
  background: var(--mg-primary-soft);
  color: #405064;
  font-size: 14px;
  line-height: 1.6;
}

body.mathgenerator-ui #printsection {
  overflow-x: auto;
  margin: 0 0 24px;
  padding: 26px;
  border: 1px solid var(--mg-line);
  border-radius: var(--mg-radius-lg);
  background: #fff;
  box-shadow: var(--mg-shadow);
}

body.mathgenerator-ui #printsection .wrapper-content {
  padding-top: 0;
}

body.mathgenerator-ui #instructions {
  margin: 0;
  color: var(--mg-ink);
  font-weight: 700;
  line-height: 1.45;
}

body.mathgenerator-ui #sheet_id {
  margin: 0;
  color: var(--mg-primary-dark);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

body.mathgenerator-ui #qr_code_image {
  border: 1px solid var(--mg-line);
  border-radius: 8px;
  background: #fff;
  padding: 3px;
}

body.mathgenerator-ui #dataTable {
  width: 100% !important;
  margin: 18px 0 0;
  border-collapse: separate;
  border-spacing: 6px;
}

body.mathgenerator-ui #dataTable td,
body.mathgenerator-ui #dataTable td.border {
  padding: 13px 16px;
  border: 1px solid var(--mg-line) !important;
  border-radius: 9px;
  background: #fbfdfd;
  vertical-align: middle;
}

body.mathgenerator-ui #dataTable tr:nth-child(even) td {
  background: #f6faf9;
}

body.mathgenerator-ui #dataTable h1,
body.mathgenerator-ui #dataTable h2,
body.mathgenerator-ui #dataTable h3,
body.mathgenerator-ui #dataTable p {
  margin-top: 0;
  margin-bottom: 0;
  color: var(--mg-ink);
  line-height: 1.35;
}

/* Template-specific worksheet composition */
body.mathgenerator-ui .worksheet-template {
  position: relative;
}

body.mathgenerator-ui .worksheet-template .worksheet-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 54px;
  margin: 4px 0 14px;
  padding: 11px 14px;
  border: 1px solid var(--mg-line);
  border-radius: 12px;
  background: linear-gradient(135deg, #f8fbfb, #f0f8f6);
}

body.mathgenerator-ui .worksheet-template .worksheet-meta #instructions {
  flex: 1 1 auto;
}

body.mathgenerator-ui .worksheet-template .worksheet-meta #sheet_id {
  flex: 0 0 auto !important;
  width: auto !important;
  max-width: none !important;
  margin-left: auto !important;
  padding: 7px 10px;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 1px 4px rgba(20, 47, 58, 0.08);
}

body.mathgenerator-ui .worksheet-template #dataTable td {
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

body.mathgenerator-ui .worksheet-template #dataTable td:hover {
  border-color: rgba(13, 118, 101, 0.32) !important;
  box-shadow: 0 6px 16px rgba(20, 47, 58, 0.07);
  transform: translateY(-1px);
}

body.mathgenerator-ui .worksheet-1-col #dataTable {
  max-width: 900px;
  margin-right: auto;
  margin-left: auto;
}

body.mathgenerator-ui .worksheet-1-col #dataTable td {
  text-align: center;
}

body.mathgenerator-ui .worksheet-2-col #dataTable td {
  width: 50%;
  text-align: center;
}

body.mathgenerator-ui .worksheet-katex #dataTable .katex-display {
  margin: 0.25em 0;
  overflow-x: auto;
  overflow-y: hidden;
}

body.mathgenerator-ui .worksheet-ranger .irs {
  margin-bottom: 8px;
}

body.mathgenerator-ui .print-footer {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--mg-line);
  color: var(--mg-muted);
  font-size: 12px;
}

body.mathgenerator-ui .print-only {
  display: none;
}

body.mathgenerator-ui .alert {
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.55;
}

body.mathgenerator-ui .alert-warning {
  border: 1px solid var(--mg-warning-line);
  background: var(--mg-warning-bg);
  color: #66542d;
}

/* Range controls */
body.mathgenerator-ui .irs--flat .irs-bar,
body.mathgenerator-ui .irs--flat .irs-handle > i:first-child {
  background-color: var(--mg-primary) !important;
}

body.mathgenerator-ui .irs--flat .irs-from,
body.mathgenerator-ui .irs--flat .irs-to,
body.mathgenerator-ui .irs--flat .irs-single {
  background-color: var(--mg-primary-dark) !important;
}

body.mathgenerator-ui .irs--flat .irs-from::before,
body.mathgenerator-ui .irs--flat .irs-to::before,
body.mathgenerator-ui .irs--flat .irs-single::before {
  border-top-color: var(--mg-primary-dark) !important;
}

body.mathgenerator-ui .irs--flat .irs-line {
  background: #dfe9e7;
}

/* Result lookup and content utilities */
body.mathgenerator-ui form.row.m-t {
  align-items: center;
  margin-right: 0;
  margin-left: 0;
  padding: 12px;
  border: 1px solid var(--mg-line);
  border-radius: 11px;
  background: #f8fbfb;
}

body.mathgenerator-ui .page-heading form.row.m-t {
  width: 100%;
  min-width: 300px;
}

body.mathgenerator-ui .page-heading form.row.m-t > [class*="col-"] {
  padding-right: 4px;
  padding-left: 4px;
}

body.mathgenerator-ui .navy-line {
  width: 64px;
  height: 4px;
  margin: 28px auto;
  border: 0;
  border-radius: 99px;
  background: var(--mg-accent);
}

body.mathgenerator-ui .pagination .page-link,
body.mathgenerator-ui .pagination > li > a,
body.mathgenerator-ui .pagination > li > span {
  margin: 0 3px;
  border: 1px solid var(--mg-line);
  border-radius: 8px !important;
  color: var(--mg-primary-dark);
}

body.mathgenerator-ui .pagination .active .page-link,
body.mathgenerator-ui .pagination > .active > a,
body.mathgenerator-ui .pagination > .active > span {
  border-color: var(--mg-primary);
  background: var(--mg-primary);
  color: #fff;
}

/* Compact shared footer */
body.mathgenerator-ui #contact {
  margin-top: 0 !important;
  border-top: 1px solid var(--mg-line);
  background: #f4fbf9;
}

body.mathgenerator-ui #contact .m-t-lg,
body.mathgenerator-ui #contact .m-b-lg {
  margin-top: 0;
  margin-bottom: 0;
}

body.mathgenerator-ui #contact p {
  margin: 0;
  padding: 20px 0;
  color: var(--mg-muted);
  font-size: 12px;
  letter-spacing: 0.025em;
}

body.mathgenerator-ui #contact p strong {
  font-weight: 600;
}

/* Keep the two bespoke AI entry layouts in control of their own content cards. */
body.mathgenerator-ui .ai-builder-v2 .btn,
body.mathgenerator-ui .image-ai-v2 .btn {
  min-height: initial;
}

@media (max-width: 991px) {
  body.mathgenerator-ui .navbar-static-top {
    min-height: 54px;
  }

  body.mathgenerator-ui .navbar-brand {
    min-height: 54px;
    padding: 0 20px;
  }

  body.mathgenerator-ui .navbar-collapse {
    max-height: calc(100vh - 54px);
    padding: 10px 14px 16px;
    border-top: 1px solid var(--mg-line);
    background: #fff;
    overflow-y: auto;
  }

  body.mathgenerator-ui .navbar-top-links > li > a,
  body.mathgenerator-ui .navbar-top-links .dropdown-toggle {
    min-height: 44px;
    padding: 0 11px;
    border-radius: 8px;
  }

  body.mathgenerator-ui .page-heading {
    align-items: stretch;
    min-height: 0;
  }

  body.mathgenerator-ui .page-heading > [class*="col-"] + [class*="col-"] {
    margin-top: 18px;
  }
}

@media (max-width: 767px) {
  body.mathgenerator-ui > #wrapper > #page-wrapper > .container {
    padding-right: 14px;
    padding-left: 14px;
  }

  body.mathgenerator-ui .main-container {
    padding-top: 24px;
  }

  body.mathgenerator-ui .page-heading {
    display: block;
    margin: 20px 0 18px !important;
    padding: 21px 18px !important;
    border-radius: 14px;
  }

  body.mathgenerator-ui .page-heading h1,
  body.mathgenerator-ui .page-heading h2,
  body.mathgenerator-ui .category-top h1,
  body.mathgenerator-ui .category-top h2 {
    font-size: 28px;
  }

  body.mathgenerator-ui .page-heading .btn-block {
    width: 100%;
  }

  body.mathgenerator-ui .category-top {
    padding: 20px;
  }

  body.mathgenerator-ui #printsection {
    margin-bottom: 18px;
    padding: 18px 13px;
    border-radius: 14px;
  }

  body.mathgenerator-ui #dataTable {
    min-width: 0;
    border-spacing: 4px;
  }

  body.mathgenerator-ui #dataTable td,
  body.mathgenerator-ui #dataTable td.border {
    padding: 10px;
  }

  body.mathgenerator-ui #dataTable h1,
  body.mathgenerator-ui #dataTable h2 {
    font-size: clamp(18px, 5.8vw, 26px);
  }

  body.mathgenerator-ui .worksheet-template .worksheet-meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 9px;
  }

  body.mathgenerator-ui .worksheet-template .worksheet-meta #sheet_id {
    align-self: flex-end;
    margin-left: 0 !important;
  }

  body.mathgenerator-ui .worksheet-2-col #dataTable tr {
    display: block;
    margin-bottom: 4px;
  }

  body.mathgenerator-ui .worksheet-2-col #dataTable td {
    display: block;
    width: 100%;
    margin-bottom: 4px;
  }

  body.mathgenerator-ui .print-footer {
    display: flex;
    gap: 6px;
    flex-direction: column;
  }

  body.mathgenerator-ui .print-footer .float-right {
    float: none !important;
  }

  body.mathgenerator-ui form.row.m-t > [class*="col-"] {
    margin-bottom: 9px;
    padding-right: 0;
    padding-left: 0;
  }

  body.mathgenerator-ui .page-heading form.row.m-t {
    width: 100%;
    min-width: 0;
  }

  body.mathgenerator-ui .page-heading form.row.m-t > [class*="col-"] {
    flex: 0 0 100%;
    width: 100%;
    max-width: 100%;
  }

  body.mathgenerator-ui form.row.m-t > [class*="col-"]:last-child {
    margin-bottom: 0;
  }
}

@media print {
  body.mathgenerator-ui,
  body.mathgenerator-ui > #wrapper > #page-wrapper {
    background: #fff !important;
  }

  body.mathgenerator-ui > #wrapper > #page-wrapper > .row.border-bottom,
  body.mathgenerator-ui .page-heading,
  body.mathgenerator-ui #contact,
  body.mathgenerator-ui .alert,
  body.mathgenerator-ui .btn,
  body.mathgenerator-ui .description {
    display: none !important;
  }

  body.mathgenerator-ui > #wrapper > #page-wrapper > .container {
    max-width: none;
    padding: 0;
  }

  body.mathgenerator-ui #printsection {
    overflow: visible;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  body.mathgenerator-ui #dataTable {
    border-collapse: collapse;
    border-spacing: 0;
  }

  body.mathgenerator-ui #dataTable td,
  body.mathgenerator-ui #dataTable td.border {
    border-radius: 0;
    background: #fff !important;
  }

  body.mathgenerator-ui .worksheet-template .worksheet-meta {
    padding: 0 0 10px;
    border: 0;
    background: #fff;
  }

  body.mathgenerator-ui .worksheet-template #dataTable td:hover {
    box-shadow: none;
    transform: none;
  }

  body.mathgenerator-ui .print-only {
    display: flex !important;
  }
}