/*
Theme Name: GSM Notes Secure Core
Theme URI: https://www.gsmnotes.com/
Author: GSM Notes
Author URI: https://www.gsmnotes.com/
Description: Security-focused, highly responsive, plugin-friendly classic WordPress theme built for business portals and application-style frontends.
Version: 1.1.0
Requires at least: 6.4
Tested up to: 6.8
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: gsm-notes-secure-core
Tags: custom-logo, custom-menu, custom-background, custom-header, featured-images, threaded-comments, translation-ready, one-column, two-columns, right-sidebar, accessibility-ready
*/

:root {
  --gnsc-bg: #0b1220;
  --gnsc-surface: #0f1b33;
  --gnsc-surface-muted: #162544;
  --gnsc-text: #e7eefc;
  --gnsc-text-soft: rgba(231, 238, 252, 0.74);
  --gnsc-border: rgba(231, 238, 252, 0.12);
  --gnsc-primary: #f8fbff;
  --gnsc-primary-strong: #ffffff;
  --gnsc-accent: #3b82f6;
  --gnsc-accent-strong: #60a5fa;
  --gnsc-success: #22c55e;
  --gnsc-danger: #f87171;
  --gnsc-radius-sm: 10px;
  --gnsc-radius: 16px;
  --gnsc-radius-lg: 24px;
  --gnsc-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.18);
  --gnsc-shadow: 0 12px 24px rgba(0, 0, 0, 0.22);
  --gnsc-shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.32);
  --gnsc-container: 1240px;
  --gnsc-gap: clamp(16px, 2vw, 24px);
  --gnsc-gap-lg: clamp(24px, 3vw, 40px);
  --gnsc-header-height: 76px;
}

*, *::before, *::after { box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--gnsc-text);
  background:
    radial-gradient(1200px 600px at 18% 0%, rgba(59,130,246,.22), transparent 60%),
    radial-gradient(900px 520px at 92% 18%, rgba(34,197,94,.14), transparent 55%),
    var(--gnsc-bg);
  line-height: 1.65;
  min-height: 100vh;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body.admin-bar .site-header { top: 32px; }
img, svg, video, canvas, iframe { max-width: 100%; height: auto; }
figure { margin: 0; }
a { color: var(--gnsc-accent-strong); text-decoration: none; overflow-wrap: anywhere; }
a:hover, a:focus-visible { color: var(--gnsc-primary-strong); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
strong { font-weight: 700; }
code, pre, kbd, samp { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
pre {
  overflow: auto;
  padding: 16px;
  border-radius: var(--gnsc-radius-sm);
  background: #08101e;
  color: #e2e8f0;
}
hr {
  border: 0;
  border-top: 1px solid var(--gnsc-border);
  margin: 1.5rem 0;
}
.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.screen-reader-text:focus {
  clip: auto !important;
  width: auto;
  height: auto;
  margin: 12px;
  padding: 10px 14px;
  background: var(--gnsc-surface);
  border: 1px solid var(--gnsc-border);
  color: var(--gnsc-text);
  border-radius: var(--gnsc-radius-sm);
  box-shadow: var(--gnsc-shadow);
  z-index: 999999;
}
.skip-link { position: absolute; left: 12px; top: 12px; }

.container,
.alignwide {
  width: min(calc(100% - 32px), var(--gnsc-container));
  margin-inline: auto;
}
.alignfull { width: 100%; margin-inline: 0; }
.site-shell {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}
.site-main {
  flex: 1 0 auto;
  padding: 28px 0 56px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: saturate(180%) blur(16px);
  background: rgba(11, 18, 32, 0.78);
  border-bottom: 1px solid var(--gnsc-border);
}
.site-header__inner {
  min-height: var(--gnsc-header-height);
  display: grid;
  grid-template-columns: minmax(0, auto) 1fr auto;
  align-items: center;
  gap: 20px;
}
.site-branding {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 14px;
}
.site-branding__logo img {
  display: block;
  max-height: 56px;
  width: auto;
}
.site-branding__text {
  min-width: 0;
}
.site-title {
  margin: 0;
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  line-height: 1.2;
  font-weight: 800;
}
.site-title a { color: var(--gnsc-primary); }
.site-description {
  margin: 4px 0 0;
  color: var(--gnsc-text-soft);
  font-size: 0.95rem;
}
.site-header__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

.header-search {
  width: min(360px, 34vw);
}
.header-search .search-form__label {
  display: none;
}
.header-search .search-form__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}
.header-search .search-field {
  min-height: 44px;
}
.header-search button {
  min-height: 44px;
  padding-inline: 16px;
}

.menu-toggle {
  appearance: none;
  border: 1px solid var(--gnsc-border);
  background: rgba(255,255,255,.04);
  color: var(--gnsc-text);
  border-radius: 999px;
  padding: 10px 14px;
  min-height: 44px;
  display: none;
  align-items: center;
  gap: 10px;
  box-shadow: var(--gnsc-shadow-sm);
}
.menu-toggle__icon {
  width: 18px;
  height: 12px;
  position: relative;
  display: inline-block;
}
.menu-toggle__icon::before,
.menu-toggle__icon::after,
.menu-toggle__icon span {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease, top 0.2s ease;
}
.menu-toggle__icon::before { top: 0; }
.menu-toggle__icon span { top: 5px; }
.menu-toggle__icon::after { top: 10px; }
.menu-toggle[aria-expanded="true"] .menu-toggle__icon::before { top: 5px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__icon span { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle__icon::after { top: 5px; transform: rotate(-45deg); }

.primary-nav {
  display: flex;
  align-items: center;
  justify-content: center;
}
.primary-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.primary-nav li { position: relative; }
.primary-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--gnsc-text-soft);
  font-weight: 600;
}
.primary-nav .current-menu-item > a,
.primary-nav a:hover,
.primary-nav a:focus-visible {
  background: rgba(59,130,246,0.14);
  color: var(--gnsc-primary-strong);
}
.primary-nav .sub-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  padding: 10px;
  background: rgba(15, 27, 51, 0.98);
  border: 1px solid var(--gnsc-border);
  border-radius: var(--gnsc-radius);
  box-shadow: var(--gnsc-shadow);
}
.primary-nav li:hover > .sub-menu,
.primary-nav li:focus-within > .sub-menu { display: block; }
.primary-nav .sub-menu a { width: 100%; border-radius: 12px; }

.layout-grid {
  display: grid;
  gap: var(--gnsc-gap-lg);
  grid-template-columns: minmax(0, 1fr);
}
.layout-grid.has-sidebar {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 320px);
}
.content-column,
.sidebar-column,
.entry-card,
.widget,
.comments-area,
.page-shell,
.archive-header,
.search-shell,
.not-found-shell {
  background: rgba(15, 27, 51, 0.82);
  border: 1px solid var(--gnsc-border);
  border-radius: var(--gnsc-radius-lg);
  box-shadow: var(--gnsc-shadow);
}
.content-column,
.page-shell,
.archive-header,
.search-shell,
.not-found-shell,
.comments-area { padding: clamp(20px, 3vw, 36px); }
.sidebar-column {
  padding: 18px;
  align-self: start;
  position: sticky;
  top: calc(var(--gnsc-header-height) + 24px);
}
.entry-card {
  padding: clamp(20px, 2.8vw, 30px);
  margin-bottom: var(--gnsc-gap);
}
.entry-card:last-child { margin-bottom: 0; }
.entry-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  color: var(--gnsc-text-soft);
  font-size: 0.95rem;
  margin-bottom: 14px;
}
.entry-title,
.page-title,
.archive-title,
.search-title,
.error-title {
  margin: 0 0 12px;
  line-height: 1.15;
  color: var(--gnsc-primary);
}
.entry-title { font-size: clamp(1.45rem, 3vw, 2rem); }
.entry-title a { color: inherit; }
.entry-summary,
.entry-content,
.archive-description,
.search-description,
.error-description { color: var(--gnsc-text); }
.entry-content > *:first-child,
.entry-summary > *:first-child { margin-top: 0; }
.entry-content > *:last-child,
.entry-summary > *:last-child { margin-bottom: 0; }
.read-more-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-weight: 700;
}

.page-header-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}
.page-title { font-size: clamp(1.6rem, 3vw, 2.35rem); }
.page-subtitle,
.archive-description,
.search-description,
.error-description { color: var(--gnsc-text-soft); }

.widget {
  padding: 20px;
  margin-bottom: 18px;
}
.widget:last-child { margin-bottom: 0; }
.widget-title {
  margin: 0 0 14px;
  font-size: 1.05rem;
  color: var(--gnsc-primary);
}
.widget ul,
.footer-nav ul,
.page-numbers,
.comment-list,
.comment-list ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.widget li + li { margin-top: 10px; }
.widget select,
.widget input,
.widget textarea {
  width: 100%;
}
.widget_calendar table,
.widget_recent_comments ul,
.widget_recent_entries ul,
.widget_nav_menu ul,
.widget_pages ul,
.widget_categories ul {
  width: 100%;
}

.pagination-nav,
.post-navigation {
  margin-top: 28px;
}
.page-numbers,
.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-numbers a,
.page-numbers span,
.post-navigation a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--gnsc-border);
  background: rgba(255,255,255,.04);
  color: var(--gnsc-text);
  box-shadow: var(--gnsc-shadow-sm);
}
.page-numbers .current {
  background: var(--gnsc-accent);
  border-color: rgba(59,130,246,.55);
  color: #fff;
}

.search-form {
  display: grid;
  gap: 12px;
}
.search-form__label {
  display: block;
  font-weight: 600;
  color: var(--gnsc-primary);
}
.search-form__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
}
.search-field,
input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"],
input[type="search"],
input[type="number"],
input[type="tel"],
input[type="date"],
input[type="datetime-local"],
input[type="month"],
input[type="week"],
input[type="time"],
select,
textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--gnsc-border);
  border-radius: 14px;
  background: rgba(255,255,255,.04);
  color: var(--gnsc-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
textarea { min-height: 140px; resize: vertical; }
.search-field:focus,
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: rgba(59,130,246,.68);
  box-shadow: 0 0 0 4px rgba(59,130,246,.18);
}
button,
input[type="submit"],
input[type="button"],
.wp-element-button,
.button,
.read-more-link,
a.button,
a.wp-block-button__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid rgba(59,130,246,.6);
  background: rgba(59,130,246,.18);
  color: #fff;
  font-weight: 700;
  text-align: center;
  box-shadow: var(--gnsc-shadow-sm);
  transition: transform 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}
button:hover,
button:focus-visible,
input[type="submit"]:hover,
input[type="submit"]:focus-visible,
.wp-element-button:hover,
.wp-element-button:focus-visible,
a.wp-block-button__link:hover,
a.wp-block-button__link:focus-visible,
a.button:hover,
a.button:focus-visible {
  transform: translateY(-1px);
  background: rgba(59,130,246,.28);
  border-color: rgba(96,165,250,.8);
  color: #fff;
}

.entry-content table,
.wp-block-table table,
.plugin-shell table,
.app-canvas-shell table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  border-radius: 14px;
  overflow: hidden;
}
.entry-content table th,
.entry-content table td,
.wp-block-table th,
.wp-block-table td,
.plugin-shell table th,
.plugin-shell table td,
.app-canvas-shell table th,
.app-canvas-shell table td {
  border: 1px solid var(--gnsc-border);
  padding: 12px 14px;
  text-align: left;
}
.entry-content table th,
.wp-block-table th,
.plugin-shell table th,
.app-canvas-shell table th {
  background: rgba(255,255,255,.05);
  color: var(--gnsc-primary);
}

.entry-content blockquote,
.wp-block-quote,
.wp-block-pullquote {
  margin: 1.5rem 0;
  padding: 20px 22px;
  border-left: 4px solid var(--gnsc-accent);
  border-radius: 0 var(--gnsc-radius) var(--gnsc-radius) 0;
  background: rgba(59,130,246,.10);
}
.entry-content .wp-block-group,
.entry-content .wp-block-cover,
.entry-content .wp-block-media-text,
.plugin-shell,
.app-canvas-shell,
.wp-block-post-content {
  border-radius: var(--gnsc-radius);
}
.wp-block-image img,
.entry-card .post-thumbnail img,
.entry-content img {
  border-radius: 18px;
}

.comments-area { margin-top: 28px; }
.comment-list > li + li { margin-top: 18px; }
.comment-body {
  padding: 18px;
  border: 1px solid var(--gnsc-border);
  border-radius: 16px;
  background: rgba(255,255,255,.04);
}
.comment-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-bottom: 10px;
  font-size: 0.95rem;
  color: var(--gnsc-text-soft);
}
.comment-content > *:first-child { margin-top: 0; }
.comment-respond { margin-top: 24px; }

.site-footer {
  margin-top: auto;
  padding: 18px 0 28px;
}
.site-footer__widgets {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 18px;
}
.site-footer__widget-column {
  min-width: 0;
}
.site-footer__widget-column .widget {
  margin-bottom: 0;
  height: 100%;
  background: rgba(15, 27, 51, 0.8);
}
.site-footer__inner {
  display: grid;
  gap: 20px;
  align-items: center;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 20px 24px;
  background: rgba(15, 27, 51, 0.88);
  border: 1px solid var(--gnsc-border);
  border-radius: 22px;
  box-shadow: var(--gnsc-shadow);
}
.site-footer__copyright {
  color: var(--gnsc-text-soft);
  font-size: 0.95rem;
}
.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}
.footer-nav a {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--gnsc-text-soft);
}
.footer-nav a:hover,
.footer-nav a:focus-visible {
  background: rgba(59,130,246,0.14);
  color: var(--gnsc-primary-strong);
}

.not-found-shell,
.search-shell,
.archive-header { margin-bottom: var(--gnsc-gap); }
.error-actions,
.search-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.app-canvas-body {
  background:
    radial-gradient(1200px 600px at 18% 0%, rgba(59,130,246,.22), transparent 60%),
    radial-gradient(900px 520px at 92% 18%, rgba(34,197,94,.14), transparent 55%),
    var(--gnsc-bg);
}
.app-canvas-header {
  padding: 18px 0;
}
.app-canvas-shell {
  width: min(100%, 100vw);
  min-height: 100vh;
}
.app-canvas-shell > * {
  width: 100%;
}

@media (max-width: 1120px) {
  .site-header__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }
  .primary-nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }
  .site-header__actions {
    justify-content: flex-end;
  }
  .header-search {
    width: min(320px, 42vw);
  }
}

@media (max-width: 980px) {
  body.admin-bar .site-header { top: 46px; }
  .layout-grid.has-sidebar { grid-template-columns: minmax(0, 1fr); }
  .sidebar-column {
    position: static;
    top: auto;
  }
  .site-footer__widgets,
  .site-footer__inner {
    grid-template-columns: minmax(0, 1fr);
  }
  .footer-nav ul { justify-content: flex-start; }
}

@media (max-width: 860px) {
  .menu-toggle { display: inline-flex; }
  .site-header__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }
  .header-search {
    display: none;
  }
  .primary-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 16px;
    right: 16px;
    display: none;
    padding: 14px;
    border-radius: 20px;
    border: 1px solid var(--gnsc-border);
    background: rgba(15, 27, 51, 0.98);
    box-shadow: var(--gnsc-shadow-lg);
  }
  .primary-nav.is-open { display: block; }
  .primary-nav ul { flex-direction: column; align-items: stretch; }
  .primary-nav a { width: 100%; border-radius: 14px; }
  .primary-nav .sub-menu {
    position: static;
    display: block;
    min-width: 0;
    margin-top: 8px;
    box-shadow: none;
  }
}

@media (max-width: 640px) {
  .site-main { padding-top: 18px; }
  .container,
  .alignwide { width: min(calc(100% - 20px), var(--gnsc-container)); }
  .search-form__row,
  .header-search .search-form__row {
    grid-template-columns: 1fr;
  }
  .site-header__inner {
    gap: 12px;
  }
  .site-branding {
    gap: 10px;
    max-width: calc(100% - 70px);
  }
  .site-branding__logo img { max-height: 46px; }
  .site-description { display: none; }
  .entry-card,
  .content-column,
  .page-shell,
  .archive-header,
  .search-shell,
  .not-found-shell,
  .comments-area,
  .widget,
  .sidebar-column,
  .site-footer__inner,
  .site-footer__widget-column .widget { padding: 18px; }
}