/* Smartech IT Services - CCNA v6 visual modernization overrides */

:root {
  --ccna-accent: #8cc63f;
  --ccna-accent-dark: #5f9f22;
  --ccna-ink: #111827;
  --ccna-muted: #5b6472;
  --ccna-line: #d9e2ec;
  --ccna-panel: #ffffff;
  --ccna-soft: #f4f7f9;
  --ccna-dark: #070b10;
  --ccna-dark-2: #111827;
  --ccna-glow: rgba(140, 198, 63, 0.28);
  --ccna-shadow: 0 18px 50px rgba(15, 23, 42, 0.18);
  --ccna-radius-sm: 10px;
  --ccna-radius-md: 16px;
}

html,
body {
  font-family: "CiscoSansTTRegular", "Inter", "Segoe UI", Arial, sans-serif !important;
}

body {
  background:
    linear-gradient(rgba(140, 198, 63, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 198, 63, 0.04) 1px, transparent 1px),
    radial-gradient(circle at 18% 12%, rgba(140, 198, 63, 0.16), transparent 32%),
    linear-gradient(135deg, #070b10 0%, #0b1118 48%, #111827 100%) !important;
  background-size: 64px 64px, 64px 64px, auto, auto !important;
  color: #edf5e8;
}

button,
input,
select,
textarea {
  font-family: inherit;
}

/* Course shell */
#header {
  min-height: 88px !important;
  background:
    linear-gradient(180deg, rgba(7, 11, 16, 0.96), rgba(7, 11, 16, 0.76)) !important;
  border-bottom: 1px solid rgba(140, 198, 63, 0.28) !important;
  box-shadow: 0 16px 46px rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  overflow: visible !important;
}

#header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(140, 198, 63, 0.78), transparent);
}

#header h1 {
  margin: 18px 210px 8px 26px !important;
  color: #f8fafc;
  font-family: "CiscoSansTTLight", "Inter", "Segoe UI", Arial, sans-serif !important;
  font-size: clamp(22px, 2.8vw, 34px) !important;
  line-height: 1.08 !important;
  letter-spacing: 0 !important;
}

#header h1 a,
#header h1 a:link,
#header h1 a:visited,
#header h1 a:hover {
  color: #f8fafc !important;
}

#header .logo {
  opacity: 0.86;
  filter: drop-shadow(0 0 16px rgba(140, 198, 63, 0.18));
}

#header > a.btn,
#header > a.btn:link,
#header > a.btn:visited {
  position: absolute;
  top: 20px;
  right: 100px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0.52rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(140, 198, 63, 0.42);
  background: linear-gradient(135deg, #a6e45a, #8cc63f 48%, #5f9f22);
  color: #07110a !important;
  font-family: "CiscoSansTTBold", "Inter", "Segoe UI", Arial, sans-serif;
  font-size: 12px;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  box-shadow: 0 0 0 1px rgba(140, 198, 63, 0.16), 0 12px 30px rgba(95, 159, 34, 0.2);
}

#header > a.btn:hover,
#header > a.btn:focus {
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px rgba(140, 198, 63, 0.48), 0 0 34px rgba(140, 198, 63, 0.32);
}

#content,
#map {
  top: 78px !important;
  right: 16px !important;
  bottom: 96px !important;
  left: 16px !important;
}

#container {
  border: 1px solid rgba(140, 198, 63, 0.3) !important;
  border-radius: var(--ccna-radius-md);
  background: var(--ccna-panel) !important;
  box-shadow: var(--ccna-shadow);
  overflow: hidden;
}

#page-header,
#page-footer {
  background:
    linear-gradient(135deg, rgba(7, 11, 16, 0.96), rgba(17, 24, 39, 0.94)) !important;
  border-color: rgba(140, 198, 63, 0.22) !important;
  color: #f8fafc !important;
}

#page-header {
  border-bottom: 1px solid rgba(140, 198, 63, 0.2);
}

#page-footer {
  border-top: 1px solid rgba(140, 198, 63, 0.2);
}

#page-header .breadcrumbs-header {
  color: #c8ff86;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

#page-header .breadcrumbs-title {
  color: rgba(248, 250, 252, 0.84);
}

#page-header a:hover .breadcrumbs-title,
#page-header a:focus .breadcrumbs-title {
  color: #ffffff;
}

.menu-button-icon,
.help-button-icon,
.index-button-icon {
  background-color: rgba(7, 11, 16, 0.8) !important;
  border: 1px solid rgba(140, 198, 63, 0.45) !important;
  box-shadow: 0 0 18px rgba(140, 198, 63, 0.16);
}

.menu-button-box {
  background: rgba(7, 11, 16, 0.82) !important;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
  border-radius: 8px;
}

.menu-button:focus .menu-button-icon,
.menu-button:hover .menu-button-icon,
.menu-button.active .menu-button-icon,
.help-button:focus .help-button-icon,
.help-button:hover .help-button-icon,
.help-button.active .help-button-icon,
.index-button:focus .index-button-icon,
.index-button:hover .index-button-icon,
.index-button.active .index-button-icon {
  background-color: rgba(140, 198, 63, 0.26) !important;
  border-color: rgba(190, 255, 125, 0.78) !important;
}

#map li button,
#overlay-developer .overlay-container button {
  border: 1px solid rgba(140, 198, 63, 0.36) !important;
  background: rgba(7, 11, 16, 0.78) !important;
  border-radius: var(--ccna-radius-sm);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

#map a.selected,
#map li button:hover,
#map li button:focus,
#overlay-developer .overlay-container button:enabled:hover,
#overlay-developer .overlay-container button:enabled:focus {
  background: rgba(140, 198, 63, 0.24) !important;
  box-shadow: 0 0 0 1px rgba(140, 198, 63, 0.28), 0 0 24px rgba(140, 198, 63, 0.16);
}

.scroll-pane-content {
  scrollbar-color: rgba(140, 198, 63, 0.65) rgba(7, 11, 16, 0.16);
}

.overlay {
  background: rgba(7, 11, 16, 0.88) !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.overlay-header {
  background:
    linear-gradient(135deg, rgba(7, 11, 16, 0.98), rgba(17, 24, 39, 0.94)) !important;
  border-bottom: 1px solid rgba(140, 198, 63, 0.25);
}

.overlay-label {
  color: #f8fafc !important;
}

.overlay-icon {
  background-color: rgba(140, 198, 63, 0.18) !important;
}

#course-index-buttons,
#help-buttons {
  background-color: rgba(17, 24, 39, 0.96) !important;
}

#overlay-languages .scroll-pane-content,
#overlay-course-index .scroll-pane-content {
  background-color: #111827 !important;
  border: 1px solid rgba(140, 198, 63, 0.2);
  border-radius: var(--ccna-radius-sm);
}

/* Lesson pages */
#text-container {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 250, 252, 0.98)) !important;
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.08), 0 22px 50px rgba(15, 23, 42, 0.15) !important;
}

#text {
  padding: 24px 28px !important;
  color: var(--ccna-ink);
  font-family: "CiscoSansTTRegular", "Inter", "Segoe UI", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.72;
}

#text h1 {
  color: #0f172a !important;
  border-bottom: 1px solid var(--ccna-line) !important;
  font-family: "CiscoSansTTLight", "Inter", "Segoe UI", Arial, sans-serif !important;
  font-size: clamp(22px, 3vw, 30px) !important;
  line-height: 1.12 !important;
  margin: 0 0 18px 0 !important;
  padding: 0 0 16px 0 !important;
}

#text h1::after {
  content: "";
  display: block;
  width: 74px;
  height: 3px;
  margin-top: 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, #a6e45a, #8cc63f 48%, #5f9f22);
  box-shadow: 0 0 20px var(--ccna-glow);
}

#text h2,
#text h3,
#text h4 {
  color: #111827;
  line-height: 1.2;
  margin: 1.35em 0 0.65em;
}

#text p {
  color: #273244;
  margin: 0 0 1em;
}

#text a {
  color: var(--ccna-accent-dark) !important;
  font-weight: 700;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

#text a:hover,
#text a:focus {
  color: #3f7a13 !important;
  text-decoration: underline;
}

#text ul,
#text ol {
  padding-left: 1.35rem;
  margin: 0 0 1rem;
}

[dir="rtl"] #text ul,
[dir="rtl"] #text ol {
  padding-left: 0;
  padding-right: 1.35rem;
}

#text li {
  margin-left: 0 !important;
  margin-bottom: 0.45rem;
  color: #273244;
}

#text table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1rem 0;
  overflow: hidden;
  border: 1px solid var(--ccna-line);
  border-radius: var(--ccna-radius-sm);
  background: #ffffff;
}

#text th,
#text td {
  padding: 0.78rem 0.9rem;
  border-bottom: 1px solid var(--ccna-line);
  vertical-align: top;
}

#text th {
  color: #0f172a;
  background: #edf5e8;
  font-weight: 800;
}

#text tr:last-child td {
  border-bottom: 0;
}

#text img,
#media-container img {
  max-width: 100%;
  height: auto;
}

#text code,
#text pre,
#text .cmd,
span.cmd {
  font-family: "Consolas", "Courier New", monospace !important;
}

#text code,
#text .cmd,
span.cmd {
  display: inline-block;
  padding: 0.08rem 0.32rem;
  border-radius: 6px;
  background: #ecfdf3;
  color: #1f5f0a;
  border: 1px solid #d2efc1;
}

#text pre {
  padding: 1rem;
  border-radius: var(--ccna-radius-sm);
  overflow: auto;
  background: #0b1118;
  color: #d7f8bc;
}

#media-container {
  background:
    linear-gradient(rgba(140, 198, 63, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 198, 63, 0.025) 1px, transparent 1px),
    #eef2f7 !important;
  background-size: 56px 56px, 56px 56px, auto !important;
}

#media {
  background: #ffffff;
}

#text-handle {
  filter: drop-shadow(0 0 8px rgba(15, 23, 42, 0.24));
}

#login {
  color: #f8fafc !important;
  background: rgba(7, 11, 16, 0.92);
  border: 1px solid rgba(140, 198, 63, 0.28);
  border-radius: var(--ccna-radius-md);
  padding: 1rem 1.25rem;
  width: min(92vw, 620px);
  height: auto !important;
  box-shadow: var(--ccna-shadow);
}

#login a {
  color: #c8ff86 !important;
}

/* Course map and internal navigation polish */
#map {
  background:
    linear-gradient(rgba(140, 198, 63, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 198, 63, 0.025) 1px, transparent 1px),
    radial-gradient(circle at 16% 18%, rgba(140, 198, 63, 0.13), transparent 34%),
    rgba(7, 11, 16, 0.62) !important;
  background-size: 52px 52px, 52px 52px, auto, auto !important;
  border: 1px solid rgba(140, 198, 63, 0.18);
  border-radius: var(--ccna-radius-md);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), 0 18px 46px rgba(0, 0, 0, 0.24);
  overflow: hidden;
}

#map::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(7, 11, 16, 0.14), rgba(7, 11, 16, 0.56));
  z-index: 0;
}

#map .map-container,
#map .scroll-pane {
  z-index: 1;
}

#map .scroll-pane-content {
  top: 34px !important;
  bottom: 34px !important;
  padding: 0 8px;
  box-sizing: border-box;
  scrollbar-color: rgba(140, 198, 63, 0.62) rgba(255, 255, 255, 0.08);
}

#map ul.items li,
ul.items li {
  margin: 9px 8px !important;
}

#map ul.items a,
#map li button,
ul.items a {
  position: relative;
  border: 1px solid rgba(140, 198, 63, 0.24) !important;
  border-radius: 12px;
  background:
    linear-gradient(180deg, rgba(17, 24, 39, 0.86), rgba(7, 11, 16, 0.76)) !important;
  color: rgba(248, 250, 252, 0.9) !important;
  padding: 0.78rem 0.86rem !important;
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  transition: background-color 160ms ease, border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

#map ul.items a::before,
#map li button::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(140, 198, 63, 0.12), transparent 42%);
  opacity: 0;
  transition: opacity 160ms ease;
}

#map ul.items a:hover,
#map ul.items a:focus,
#map li button:hover,
#map li button:focus,
ul.items a:hover,
ul.items a:focus {
  border-color: rgba(190, 255, 125, 0.58) !important;
  background:
    linear-gradient(180deg, rgba(23, 33, 47, 0.94), rgba(9, 15, 22, 0.86)) !important;
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.24), 0 0 0 1px rgba(140, 198, 63, 0.14);
  transform: translateY(-1px);
  text-decoration: none !important;
}

#map ul.items a:hover::before,
#map ul.items a:focus::before,
#map li button:hover::before,
#map li button:focus::before {
  opacity: 1;
}

#map a.selected,
#map ul.items a.selected,
ul.items a.selected {
  border-color: rgba(190, 255, 125, 0.78) !important;
  background:
    linear-gradient(135deg, rgba(140, 198, 63, 0.34), rgba(17, 24, 39, 0.9) 54%, rgba(7, 11, 16, 0.9)) !important;
  color: #ffffff !important;
  box-shadow: 0 0 0 1px rgba(140, 198, 63, 0.24), 0 18px 38px rgba(0, 0, 0, 0.28), 0 0 26px rgba(140, 198, 63, 0.12);
}

#map .Module .item-header,
#map .Section .item-header,
#map .Topic .item-header,
#map .Page .item-header,
ul.items .item-header {
  margin: 0 0 0.38rem 0;
  color: #c8ff86;
  font-family: "CiscoSansTTBold", "Inter", "Segoe UI", Arial, sans-serif !important;
  font-size: 0.75rem;
  letter-spacing: 0.045em;
  line-height: 1.15;
  text-transform: uppercase;
  white-space: normal !important;
}

#map .item-title,
ul.items .item-title {
  color: rgba(248, 250, 252, 0.9);
  font-family: "CiscoSansTTRegular", "Inter", "Segoe UI", Arial, sans-serif !important;
  font-size: 0.88rem;
  line-height: 1.32;
}

#map-pages ul.items a.Page {
  min-height: 112px;
  padding-right: 166px !important;
}

[dir="rtl"] #map-pages ul.items a.Page {
  padding-right: 0.86rem !important;
  padding-left: 166px !important;
}

#map .item-thumb,
ul.items .item-thumb {
  width: 138px !important;
  height: 96px !important;
  padding: 0 !important;
  margin: 0 0 0.35rem 0.75rem;
  border: 1px solid rgba(140, 198, 63, 0.25);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
  object-fit: cover;
}

[dir="rtl"] #map .item-thumb,
[dir="rtl"] ul.items .item-thumb {
  margin: 0 0.75rem 0.35rem 0;
}

.scroll-pane-up-button,
.scroll-pane-down-button {
  width: 42px !important;
  height: 24px !important;
  margin-left: -21px !important;
  border: 1px solid rgba(140, 198, 63, 0.32) !important;
  border-radius: 999px;
  background-color: rgba(7, 11, 16, 0.68) !important;
  background-image: none !important;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  opacity: 0.82;
}

.scroll-pane-up-button::after,
.scroll-pane-down-button::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 8px;
  height: 8px;
  border-top: 2px solid #c8ff86;
  border-left: 2px solid #c8ff86;
}

.scroll-pane-up-button::after {
  top: 9px;
  transform: translateX(-50%) rotate(45deg);
}

.scroll-pane-down-button::after {
  bottom: 9px;
  transform: translateX(-50%) rotate(225deg);
}

.scroll-pane-up-button:hover,
.scroll-pane-up-button:focus,
.scroll-pane-down-button:hover,
.scroll-pane-down-button:focus {
  border-color: rgba(190, 255, 125, 0.72) !important;
  background-color: rgba(140, 198, 63, 0.16) !important;
  opacity: 1;
}

#menu {
  padding: 0 0 8px;
  background: linear-gradient(180deg, transparent, rgba(7, 11, 16, 0.72));
}

.menu-button {
  width: 82px !important;
  height: 84px !important;
  margin: 2px 3px !important;
}

.menu-button-icon,
.help-button-icon,
.index-button-icon {
  border-width: 1px !important;
  border-radius: 14px !important;
  background-color: rgba(7, 11, 16, 0.76) !important;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.04) !important;
}

.menu-button-box {
  width: 74px !important;
  min-height: 34px;
  padding: 0 6px !important;
  border-color: rgba(140, 198, 63, 0.2) !important;
  border-radius: 10px !important;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
}

.menu-button-label,
.help-button-label,
.index-button-label {
  color: rgba(248, 250, 252, 0.88);
  letter-spacing: 0 !important;
}

.menu-button:focus .menu-button-icon,
.menu-button:hover .menu-button-icon,
.menu-button.active .menu-button-icon,
.help-button:focus .help-button-icon,
.help-button:hover .help-button-icon,
.help-button.active .help-button-icon,
.index-button:focus .index-button-icon,
.index-button:hover .index-button-icon,
.index-button.active .index-button-icon {
  background-color: rgba(140, 198, 63, 0.2) !important;
  border-color: rgba(190, 255, 125, 0.72) !important;
  box-shadow: 0 0 0 1px rgba(140, 198, 63, 0.18), 0 0 24px rgba(140, 198, 63, 0.18) !important;
}

#overlay-course-index .overlay-content h1,
#overlay-course-index .overlay-content h2,
#overlay-course-index .overlay-content h3,
#overlay-course-index .overlay-content h4 {
  color: rgba(248, 250, 252, 0.92) !important;
  border-bottom: 1px solid rgba(140, 198, 63, 0.14);
}

#overlay-course-index .scroll-pane-content,
#overlay-search .scroll-pane-content,
#overlay-recent-pages .scroll-pane-content,
#overlay-bookmarks .scroll-pane-content,
#overlay-backgrounds .scroll-pane-content,
#overlay-help .overlay-container {
  background:
    linear-gradient(180deg, rgba(17, 24, 39, 0.96), rgba(7, 11, 16, 0.92)) !important;
  border: 1px solid rgba(140, 198, 63, 0.18);
  border-radius: var(--ccna-radius-md);
  box-shadow: var(--ccna-shadow);
}

#course-index-buttons,
#help-buttons {
  border-right: 1px solid rgba(140, 198, 63, 0.18);
  background:
    linear-gradient(180deg, rgba(7, 11, 16, 0.94), rgba(17, 24, 39, 0.86)) !important;
}

@media (max-width: 900px) {
  #header h1 {
    margin-right: 150px !important;
    font-size: 22px !important;
  }

  #header > a.btn,
  #header > a.btn:link,
  #header > a.btn:visited {
    right: 84px;
    padding: 0.48rem 0.7rem;
    font-size: 11px;
  }

  .menu-button {
    width: 64px !important;
  }

  .menu-button-icon {
    left: 8px !important;
  }

  .menu-button-label {
    font-size: 9px !important;
  }

  #text {
    padding: 18px 20px !important;
    font-size: 14px;
  }
}