/* ==========================================================================
   KowebtechAcademy design system
   Premium coding-mentorship platform. Neutrals do the heavy lifting;
   red and gold are accents, used sparingly (primary actions, progress,
   achievement/premium highlights).
   ========================================================================== */
@import "../../../../color-scheme.css";

* { box-sizing: border-box; }

/* ---- Logo: swap to the gold/red-on-dark variant whenever the page is in
   dark mode (OS preference or the manual body.dark-theme/light-theme
   toggle), since the default mark is black and disappears on dark
   surfaces. Every logo spot renders both <img> variants; only one shows. ---- */
.kta-logo-dark { display: none; }
@media (prefers-color-scheme: dark) {
  .kta-logo-light { display: none; }
  .kta-logo-dark { display: block; }
}
body.dark-theme .kta-logo-light { display: none; }
body.dark-theme .kta-logo-dark { display: block; }
body.light-theme .kta-logo-light { display: block; }
body.light-theme .kta-logo-dark { display: none; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--kta-bg);
  color: var(--kta-text);
  font-family: var(--kta-font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--kta-duration) var(--kta-ease), color var(--kta-duration) var(--kta-ease);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--kta-font-heading);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--kta-text);
}

code, pre, kbd {
  font-family: var(--kta-font-code);
}

a { color: inherit; }

img, svg { max-width: 100%; display: block; }

::selection {
  background: var(--kta-accent);
  color: var(--kta-white);
}

/* Focus states - accessibility is not an afterthought */
:focus-visible {
  outline: 2px solid var(--kta-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---- Reusable primitives, shared across every KTATheme-wrapped page ---- */

.kta-container {
  max-width: var(--kta-container);
  margin-inline: auto;
  padding-inline: var(--kta-space-5);
}

.kta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--kta-space-2);
  font-family: var(--kta-font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.8125rem 1.75rem;
  border-radius: var(--kta-radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: transform var(--kta-duration-fast) var(--kta-ease),
              box-shadow var(--kta-duration-fast) var(--kta-ease),
              background-color var(--kta-duration-fast) var(--kta-ease),
              border-color var(--kta-duration-fast) var(--kta-ease),
              color var(--kta-duration-fast) var(--kta-ease);
}
.kta-btn:active { transform: translateY(1px) scale(0.98); }

.kta-btn--primary {
  background: var(--kta-accent);
  color: var(--kta-white);
  box-shadow: var(--kta-shadow-sm);
}
.kta-btn--primary:hover {
  background: var(--kta-accent-hover);
  box-shadow: var(--kta-shadow-md);
  transform: translateY(-1px);
}

.kta-btn--secondary {
  background: transparent;
  color: var(--kta-text);
  border-color: var(--kta-border);
}
.kta-btn--secondary:hover {
  border-color: var(--kta-text);
  transform: translateY(-1px);
}

.kta-btn--ghost {
  background: transparent;
  color: var(--kta-text);
}
.kta-btn--ghost:hover { color: var(--kta-accent); }

.kta-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--kta-space-1);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 0.3125rem 0.75rem;
  border-radius: var(--kta-radius-full);
  background: var(--kta-accent-soft);
  color: var(--kta-accent);
}
.kta-badge--premium {
  background: var(--kta-premium-soft);
  color: var(--kta-premium-deep);
}

.kta-eyebrow {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--kta-accent);
}

/* Scroll-reveal utility - toggled via IntersectionObserver in page scripts */
.kta-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--kta-duration-slow) var(--kta-ease),
              transform var(--kta-duration-slow) var(--kta-ease);
}
.kta-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .kta-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.kta-btn--block { width: 100%; }

/* ---- Generic form fields (CreateForm/Input.vue), used by every auth screen ---- */

.k-input-group {
  margin-bottom: var(--kta-space-5);
  text-align: left;
}
.k-input-group .label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--kta-text-muted);
  margin-bottom: var(--kta-space-2);
}
.k-input-group input,
.k-input-group select,
.k-input-group textarea {
  width: 100%;
  font-family: var(--kta-font-body);
  font-size: 0.9375rem;
  color: var(--kta-text);
  background: var(--kta-surface);
  border: 1px solid var(--kta-border);
  border-radius: var(--kta-radius-sm);
  padding: 0.75rem 1rem;
  transition: border-color var(--kta-duration-fast) var(--kta-ease),
              box-shadow var(--kta-duration-fast) var(--kta-ease);
}
.k-input-group input:focus,
.k-input-group select:focus,
.k-input-group textarea:focus {
  outline: none;
  border-color: var(--kta-accent);
  box-shadow: 0 0 0 3px var(--kta-accent-soft);
}
.k-input-group input::placeholder { color: var(--kta-text-muted); opacity: 0.7; }
.k-input-group small { display: block; margin-top: var(--kta-space-1); font-size: 0.75rem; color: var(--kta-text-muted); }
span[role="alert"] {
  display: block;
  margin-top: var(--kta-space-1);
  font-size: 0.8125rem;
  color: var(--kta-accent);
}

/* ---- Auth screens (login, register, recover-password) ---- */

.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--kta-space-6) var(--kta-space-5);
  background:
    radial-gradient(600px 300px at 90% -10%, var(--kta-accent-soft), transparent 60%),
    radial-gradient(500px 260px at 0% 100%, var(--kta-premium-soft), transparent 60%);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--kta-surface);
  border: 1px solid var(--kta-border);
  border-radius: var(--kta-radius-lg);
  box-shadow: var(--kta-shadow-lg);
  padding: var(--kta-space-7) var(--kta-space-6);
}

.auth-card__brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--kta-space-2);
  font-family: var(--kta-font-heading);
  font-weight: 700;
  font-size: 1.0625rem;
  text-decoration: none;
  color: var(--kta-text);
  margin-bottom: var(--kta-space-6);
}
.auth-card__brand strong { color: var(--kta-accent); }
.auth-card__mark {
  width: 30px;
  height: 30px;
  object-fit: contain;
  flex-shrink: 0;
}

.auth-card__title {
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: var(--kta-space-2);
}
.auth-card__subtitle {
  text-align: center;
  color: var(--kta-text-muted);
  font-size: 0.9375rem;
  margin: 0 0 var(--kta-space-6);
}

.auth-card__footer {
  margin-top: var(--kta-space-6);
  text-align: center;
  font-size: 0.9375rem;
  color: var(--kta-text-muted);
}
.auth-card__footer a {
  color: var(--kta-accent);
  font-weight: 600;
  text-decoration: none;
}
.auth-card__footer a:hover { text-decoration: underline; }

.auth-card__links {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  margin-top: calc(var(--kta-space-5) * -1);
  margin-bottom: var(--kta-space-5);
}
.auth-card__links a { color: var(--kta-text-muted); text-decoration: none; }
.auth-card__links a:hover { color: var(--kta-accent); }

.auth-card__alert {
  border-radius: var(--kta-radius-sm);
  padding: var(--kta-space-3) var(--kta-space-4);
  font-size: 0.875rem;
  margin-bottom: var(--kta-space-5);
}
.auth-card__alert--info {
  background: var(--kta-premium-soft);
  color: var(--kta-premium-deep);
}

/* ---- Authenticated app shell (KTAlearn: dashboard, my courses, ...) ---- */

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px 1fr;
  background: var(--kta-bg-alt);
}

.app-sidebar {
  background: var(--kta-bg);
  border-right: 1px solid var(--kta-border);
  padding: var(--kta-space-5) var(--kta-space-4);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.app-sidebar__brand {
  display: flex;
  align-items: center;
  gap: var(--kta-space-2);
  font-family: var(--kta-font-heading);
  font-weight: 700;
  font-size: 1.0625rem;
  text-decoration: none;
  color: var(--kta-text);
  padding: var(--kta-space-2) var(--kta-space-2);
  margin-bottom: var(--kta-space-6);
}
.app-sidebar__brand strong { color: var(--kta-accent); }
.app-sidebar__mark {
  width: 28px;
  height: 28px;
  object-fit: contain;
  flex-shrink: 0;
}

.app-nav { display: flex; flex-direction: column; gap: var(--kta-space-1); flex: 1; }
.app-nav__link {
  display: flex;
  align-items: center;
  gap: var(--kta-space-3);
  padding: 0.6875rem var(--kta-space-3);
  border-radius: var(--kta-radius-sm);
  color: var(--kta-text-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: background-color var(--kta-duration-fast) var(--kta-ease), color var(--kta-duration-fast) var(--kta-ease);
}
.app-nav__link:hover { background: var(--kta-bg-alt); color: var(--kta-text); }
.app-nav__link.is-active { background: var(--kta-accent-soft); color: var(--kta-accent); font-weight: 600; }
.app-nav__link svg { flex-shrink: 0; }
.app-nav__link--soon { opacity: 0.55; }

.app-sidebar__footer {
  border-top: 1px solid var(--kta-border);
  padding-top: var(--kta-space-4);
  margin-top: var(--kta-space-4);
}

.app-main { min-width: 0; }
.app-topbar {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: var(--kta-space-4) var(--kta-space-5);
  background: var(--kta-bg);
  border-bottom: 1px solid var(--kta-border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.app-topbar__actions { display: flex; align-items: center; gap: var(--kta-space-3); }
.app-desktop-header {
  display: flex;
  justify-content: flex-end;
  padding: var(--kta-space-4) var(--kta-space-7) 0;
}
.app-content {
  padding: var(--kta-space-6) var(--kta-space-7);
  max-width: 1100px;
}

.app-header { margin-bottom: var(--kta-space-7); }
.app-header h1 { font-size: 1.75rem; }
.app-header p { color: var(--kta-text-muted); margin-top: var(--kta-space-2); font-size: 1rem; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--kta-space-5);
  margin-bottom: var(--kta-space-7);
}
.stat-card {
  background: var(--kta-surface);
  border: 1px solid var(--kta-border);
  border-radius: var(--kta-radius-md);
  padding: var(--kta-space-5);
}
.stat-card__value {
  font-family: var(--kta-font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--kta-text);
  line-height: 1;
}
.stat-card__label {
  margin-top: var(--kta-space-2);
  font-size: 0.8125rem;
  color: var(--kta-text-muted);
  font-weight: 500;
}

.continue-card {
  background: linear-gradient(135deg, var(--kta-black), var(--kta-black-soft));
  color: var(--kta-white);
  border-radius: var(--kta-radius-lg);
  padding: var(--kta-space-6);
  margin-bottom: var(--kta-space-7);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--kta-space-6);
  flex-wrap: wrap;
}
.continue-card__eyebrow { color: var(--kta-gold); font-size: 0.8125rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; }
.continue-card__title { font-size: 1.375rem; margin: var(--kta-space-2) 0 var(--kta-space-1); }
.continue-card__meta { color: rgba(255,255,255,0.65); font-size: 0.9375rem; margin-bottom: var(--kta-space-4); }
.continue-card__progress-row { display: flex; align-items: center; gap: var(--kta-space-3); max-width: 320px; }
.continue-card__progress-row .progress-bar { flex: 1; }
.continue-card__percentage { font-weight: 700; font-size: 0.875rem; min-width: 3ch; }

.progress-bar {
  height: 8px;
  background: rgba(255,255,255,0.15);
  border-radius: var(--kta-radius-full);
  overflow: hidden;
}
.progress-bar__fill {
  height: 100%;
  background: var(--kta-accent);
  border-radius: var(--kta-radius-full);
  transition: width var(--kta-duration-slow) var(--kta-ease);
}
.progress-bar--light { background: var(--kta-border); }

.section-title {
  font-size: 1.125rem;
  margin-bottom: var(--kta-space-4);
}

.activity-list { display: flex; flex-direction: column; gap: var(--kta-space-1); }
.activity-item {
  display: flex;
  align-items: center;
  gap: var(--kta-space-3);
  padding: var(--kta-space-3) var(--kta-space-2);
  border-bottom: 1px solid var(--kta-border);
  font-size: 0.9375rem;
}
.activity-item:last-child { border-bottom: none; }
.activity-item__icon {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--kta-accent-soft);
  color: var(--kta-accent);
  flex-shrink: 0;
}
.activity-item__icon--gold { background: var(--kta-premium-soft); color: var(--kta-premium-deep); }
.activity-item__message { flex: 1; }
.activity-item__time { color: var(--kta-text-muted); font-size: 0.8125rem; }

.dash-course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--kta-space-5);
}
.dash-course-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--kta-surface);
  border: 1px solid var(--kta-border);
  border-radius: var(--kta-radius-md);
  padding: var(--kta-space-5);
  transition: transform var(--kta-duration) var(--kta-ease), box-shadow var(--kta-duration) var(--kta-ease);
}
.dash-course-card:hover { transform: translateY(-3px); box-shadow: var(--kta-shadow-md); }
.dash-course-card__top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: var(--kta-space-3); }
.dash-course-card h3 { font-size: 1.0625rem; margin-bottom: var(--kta-space-1); }
.dash-course-card__meta { font-size: 0.8125rem; color: var(--kta-text-muted); margin-bottom: var(--kta-space-4); }
.dash-course-card__progress-row { display: flex; justify-content: space-between; font-size: 0.8125rem; color: var(--kta-text-muted); margin-bottom: var(--kta-space-2); }
.dash-course-card__progress-row strong { color: var(--kta-text); }

/* ---- Course featured-image thumb: shared across every card/hero that shows
   a course's image. Default state is zoomed in; hover settles slightly. ---- */
.course-thumb {
  position: relative;
  overflow: hidden;
  background-color: var(--kta-black);
  background-size: 130%;
  background-position: center;
  background-repeat: no-repeat;
  transition: background-size 0.6s var(--kta-ease);
}
.course-thumb:hover { background-size: 112%; }
.course-thumb::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
}
.course-thumb__mark {
  position: relative;
  z-index: 1;
}

.dash-course-card__thumb {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: calc(-1 * var(--kta-space-5)) calc(-1 * var(--kta-space-5)) var(--kta-space-4);
  border-radius: var(--kta-radius-md) var(--kta-radius-md) 0 0;
}
.dash-course-card__thumb-mark {
  font-family: var(--kta-font-code);
  color: rgba(255, 255, 255, 0.85);
  font-size: 2rem;
  font-weight: 700;
}

.course-hero-thumb {
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--kta-radius-lg);
  margin-bottom: var(--kta-space-6);
}
.course-hero-thumb .dash-course-card__thumb-mark { font-size: 2.75rem; }

.admin-table__thumb {
  width: 56px;
  height: 36px;
  border-radius: var(--kta-radius-sm);
  flex-shrink: 0;
}
.admin-table__thumb .dash-course-card__thumb-mark { font-size: 0.75rem; }

.app-bottom-nav { display: none; }

@media (max-width: 960px) {
  .app-shell { grid-template-columns: 1fr; }
  .app-sidebar { display: none; }
  .app-topbar { display: flex; }
  .app-desktop-header { display: none; }
  .app-content { padding: var(--kta-space-5) var(--kta-space-4) calc(var(--kta-space-9) + var(--kta-space-4)); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .dash-course-grid { grid-template-columns: 1fr; }
  .continue-card { flex-direction: column; align-items: flex-start; }

  .app-bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: var(--kta-bg);
    border-top: 1px solid var(--kta-border);
    padding: var(--kta-space-2) var(--kta-space-2);
    padding-bottom: max(var(--kta-space-2), env(safe-area-inset-bottom));
    z-index: 30;
  }
  .app-bottom-nav__link {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: var(--kta-space-2) 0;
    color: var(--kta-text-muted);
    text-decoration: none;
    font-size: 0.6875rem;
    font-weight: 500;
    border-radius: var(--kta-radius-sm);
  }
  .app-bottom-nav__link.is-active { color: var(--kta-accent); }
}
@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
}

/* ---- Code blocks (lesson reader) ---- */

.code-block {
  background: var(--kta-code-bg);
  border: 1px solid var(--kta-code-border);
  border-radius: var(--kta-radius-md);
  overflow: hidden;
  margin: var(--kta-space-5) 0;
}
.code-block__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--kta-space-2) var(--kta-space-4);
  background: var(--kta-code-bg-alt);
  border-bottom: 1px solid var(--kta-code-border);
}
.code-block__filename, .code-block__lang {
  font-family: var(--kta-font-code);
  font-size: 0.75rem;
  color: var(--kta-code-muted);
  letter-spacing: 0.02em;
}
.code-block__copy {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: none;
  color: var(--kta-code-muted);
  font-family: var(--kta-font-body);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--kta-radius-sm);
  transition: color var(--kta-duration-fast) var(--kta-ease), background-color var(--kta-duration-fast) var(--kta-ease);
}
.code-block__copy:hover { color: var(--kta-code-text); background: rgba(255,255,255,0.06); }
.code-block__pre {
  margin: 0;
  padding: var(--kta-space-4) var(--kta-space-5);
  overflow-x: auto;
}
.code-block__code {
  font-family: var(--kta-font-code);
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--kta-code-text);
}

/* Prism token theme */
.token.comment, .token.prolog, .token.doctype, .token.cdata { color: var(--kta-code-muted); font-style: italic; }
.token.keyword, .token.important, .token.atrule { color: #C778DD; }
.token.function, .token.class-name { color: #61AFEF; }
.token.string, .token.attr-value { color: #98C379; }
.token.number, .token.boolean, .token.constant { color: #D19A66; }
.token.property, .token.tag, .token.selector { color: #56B6C2; }
.token.punctuation, .token.operator { color: var(--kta-code-muted); }
.token.parameter, .token.attr-name { color: #E5C07B; }
.token.variable { color: #E06C75; }

/* ---- Lesson content (rendered markdown) ---- */

.lesson-content { font-size: 1.0625rem; line-height: 1.8; color: var(--kta-text); }
.lesson-content h2 { font-size: 1.375rem; margin: var(--kta-space-7) 0 var(--kta-space-3); }
.lesson-content h2:first-child { margin-top: 0; }
.lesson-content h3 { font-size: 1.125rem; margin: var(--kta-space-6) 0 var(--kta-space-3); }
.lesson-content p { margin: 0 0 var(--kta-space-4); color: var(--kta-text); }
.lesson-content ul, .lesson-content ol { margin: 0 0 var(--kta-space-4); padding-left: 1.5rem; }
.lesson-content li { margin-bottom: var(--kta-space-2); }
.lesson-content code:not(.code-block__code) {
  font-family: var(--kta-font-code);
  font-size: 0.875em;
  background: var(--kta-accent-soft);
  color: var(--kta-accent-hover);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}
.lesson-content strong { font-weight: 700; }
.lesson-content a { color: var(--kta-accent); text-decoration: underline; text-underline-offset: 2px; }

.callout {
  display: flex;
  gap: var(--kta-space-3);
  padding: var(--kta-space-4) var(--kta-space-5);
  border-radius: var(--kta-radius-md);
  border: 1px solid var(--kta-border);
  border-left: 3px solid var(--kta-accent);
  background: var(--kta-bg-alt);
  margin: var(--kta-space-5) 0;
}
.callout--warning { border-left-color: var(--kta-premium); }
.callout__icon { flex-shrink: 0; color: var(--kta-accent); margin-top: 2px; }
.callout--warning .callout__icon { color: var(--kta-premium-deep); }
.callout__body p:last-child { margin-bottom: 0; }
.callout__body p { margin: 0; }

/* ---- Achievements ---- */

.achievement-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--kta-space-5);
}
.achievement-card {
  text-align: center;
  padding: var(--kta-space-6) var(--kta-space-5);
  background: var(--kta-surface);
  border: 1px solid var(--kta-border);
  border-radius: var(--kta-radius-md);
  opacity: 0.55;
}
.achievement-card.is-earned { opacity: 1; }
.achievement-card__icon {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--kta-bg-alt);
  color: var(--kta-text-muted);
  margin: 0 auto var(--kta-space-4);
}
.achievement-card.is-earned .achievement-card__icon {
  background: var(--kta-premium-soft);
  color: var(--kta-premium-deep);
}
.achievement-card h3 { font-size: 1rem; margin-bottom: var(--kta-space-2); }
.achievement-card p { color: var(--kta-text-muted); font-size: 0.875rem; margin: 0 0 var(--kta-space-3); }
.achievement-card__date { font-size: 0.75rem; font-weight: 600; color: var(--kta-accent); }
.achievement-card__locked {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  color: var(--kta-text-muted);
}

@media (max-width: 900px) {
  .achievement-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .achievement-grid { grid-template-columns: 1fr; }
}

/* ---- Shared loading / empty states ---- */

@keyframes kta-shimmer {
  0% { background-position: -200px 0; }
  100% { background-position: calc(200px + 100%) 0; }
}
.skeleton-block {
  border-radius: var(--kta-radius-sm);
  background: linear-gradient(90deg, var(--kta-bg-alt) 25%, var(--kta-border) 50%, var(--kta-bg-alt) 75%);
  background-size: 200px 100%;
  animation: kta-shimmer 1.4s ease-in-out infinite;
}
@media (prefers-reduced-motion: reduce) {
  .skeleton-block { animation: none; }
}

.empty-state {
  text-align: center;
  max-width: 420px;
  margin: var(--kta-space-8) auto;
  padding: var(--kta-space-6);
  color: var(--kta-text-muted);
}
.empty-state p { margin: 0; }

/* ---- Admin: shared layout ---- */

.admin-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--kta-space-4);
  flex-wrap: wrap;
}

.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--kta-space-5);
  margin-top: var(--kta-space-7);
}
.chart-card {
  background: var(--kta-surface);
  border: 1px solid var(--kta-border);
  border-radius: var(--kta-radius-md);
  padding: var(--kta-space-5);
  height: 280px;
  display: flex;
  flex-direction: column;
}
.chart-card > div:last-child { flex: 1; min-height: 0; }

/* ---- Admin: tables ---- */

.admin-table {
  background: var(--kta-surface);
  border: 1px solid var(--kta-border);
  border-radius: var(--kta-radius-md);
  overflow-x: auto;
}
.admin-table table { width: 100%; border-collapse: collapse; min-width: 640px; }
.admin-table th {
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--kta-text-muted);
  padding: var(--kta-space-3) var(--kta-space-5);
  border-bottom: 1px solid var(--kta-border);
  white-space: nowrap;
}
.admin-table td {
  padding: var(--kta-space-4) var(--kta-space-5);
  border-bottom: 1px solid var(--kta-border);
  font-size: 0.9375rem;
  vertical-align: middle;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table__title { font-weight: 600; color: var(--kta-text); text-decoration: none; }
.admin-table__title:hover { color: var(--kta-accent); }
.admin-table__actions { display: flex; align-items: center; gap: var(--kta-space-3); white-space: nowrap; }

.admin-link {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--kta-accent);
  cursor: pointer;
  text-decoration: none;
}
.admin-link:hover { text-decoration: underline; }
.admin-link--danger { color: var(--kta-danger, #C40000); }

/* ---- Admin: forms & builder ---- */

.admin-card {
  background: var(--kta-surface);
  border: 1px solid var(--kta-border);
  border-radius: var(--kta-radius-md);
  padding: var(--kta-space-6);
  margin-bottom: var(--kta-space-6);
}
.admin-form-row { margin-bottom: var(--kta-space-5); }
.admin-form-row:last-child { margin-bottom: 0; }
.admin-form-row label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: var(--kta-space-2);
  color: var(--kta-text);
}
.admin-form-row input[type="text"],
.admin-form-row input[type="number"],
.admin-form-row select,
.admin-form-row textarea {
  width: 100%;
  font: inherit;
  font-size: 0.9375rem;
  padding: 0.6875rem var(--kta-space-4);
  border: 1px solid var(--kta-border);
  border-radius: var(--kta-radius-sm);
  background: var(--kta-bg);
  color: var(--kta-text);
  transition: border-color var(--kta-duration-fast) var(--kta-ease);
}
.admin-form-row input:focus,
.admin-form-row select:focus,
.admin-form-row textarea:focus {
  outline: none;
  border-color: var(--kta-accent);
}
.admin-form-row textarea { resize: vertical; min-height: 100px; }
.admin-form-hint { font-size: 0.75rem; color: var(--kta-text-muted); margin-top: var(--kta-space-2); }
.admin-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--kta-space-5); }

.admin-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--kta-space-4);
  flex-wrap: wrap;
  margin-bottom: var(--kta-space-5);
}
.admin-search {
  max-width: 320px;
  width: 100%;
}

.builder-module {
  background: var(--kta-surface);
  border: 1px solid var(--kta-border);
  border-radius: var(--kta-radius-md);
  margin-bottom: var(--kta-space-4);
  overflow: hidden;
}
.builder-module__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--kta-space-3);
  padding: var(--kta-space-4) var(--kta-space-5);
  background: var(--kta-bg-alt);
}
.builder-module__title { font-weight: 600; flex: 1; }
.builder-module__actions { display: flex; align-items: center; gap: var(--kta-space-2); }
.builder-module__body { padding: var(--kta-space-2) var(--kta-space-5) var(--kta-space-4); }

.builder-item-row {
  display: flex;
  align-items: center;
  gap: var(--kta-space-3);
  padding: var(--kta-space-3) 0;
  border-bottom: 1px solid var(--kta-border);
}
.builder-item-row:last-child { border-bottom: none; }
.builder-item-row__icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--kta-accent-soft);
  color: var(--kta-accent);
  flex-shrink: 0;
  font-size: 0.75rem;
}
.builder-item-row__title { flex: 1; font-size: 0.9375rem; }
.builder-item-row__meta { font-size: 0.75rem; color: var(--kta-text-muted); }
.builder-item-row__actions { display: flex; align-items: center; gap: var(--kta-space-2); }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  border-radius: var(--kta-radius-sm);
  border: 1px solid var(--kta-border);
  background: var(--kta-surface);
  color: var(--kta-text-muted);
  cursor: pointer;
  transition: color var(--kta-duration-fast) var(--kta-ease), border-color var(--kta-duration-fast) var(--kta-ease);
}
.icon-btn:hover { color: var(--kta-accent); border-color: var(--kta-accent); }
.icon-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.icon-btn--danger:hover { color: var(--kta-danger, #C40000); border-color: var(--kta-danger, #C40000); }

@media (max-width: 900px) {
  .chart-grid { grid-template-columns: 1fr; }
  .admin-form-grid { grid-template-columns: 1fr; }
}