:root {
  --color-bg: #050505;
  --color-bg-alt: #0c0d0f;
  --color-surface: #121417;
  --color-surface-alt: #1b1e23;
  --color-primary: #00ff88;
  --color-primary-dark: #00cc6d;
  --color-text: #f5f5f5;
  --color-text-muted: #a0a6b1;
  --color-danger: #ff4d6d;
  --border-radius: 18px;
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.25);
  --font-family: "Exo 2", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-family);
  background: linear-gradient(160deg, #020202 0%, #04110b 45%, #020202 100%);
  color: var(--color-text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  display: block;
  height: auto;
}

.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  display: inline-flex;
  width: 1em;
  height: 1em;
  flex-shrink: 0;
}

.icon--menu {
  width: 1.75rem;
  height: 1.75rem;
}

.icon--external {
  width: 1.25rem;
  height: 1.25rem;
}

a {
  color: inherit;
}

.theme-dark {
  background-color: transparent;
}

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-content {
  flex: 1;
  width: min(1100px, 92vw);
  margin: 0 auto;
  padding: 1.5rem clamp(1rem, 4vw, 2rem) 4rem;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.5rem clamp(1rem, 4vw, 3rem);
  background: rgba(10, 12, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 255, 136, 0.15);
}

.site-header__brand {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.site-header__logo {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-header__subtitle {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.site-header__nav {
  position: relative;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--color-primary);
  align-items: center;
  justify-content: center;
}

.nav-toggle:focus-visible {
  outline: 2px solid rgba(0, 255, 136, 0.85);
  outline-offset: 2px;
  border-radius: 8px;
}

.nav-toggle .icon--menu {
  transition: transform 0.3s ease;
}

.nav-toggle.is-open .icon--menu {
  transform: rotate(90deg);
}

.nav-list {
  list-style: none;
  display: flex;
  gap: 1rem;
  margin: 0;
  padding: 0;
}

.nav-list__item {
  position: relative;
}

.nav-list__link {
  text-decoration: none;
  padding: 0.75rem 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--color-text-muted);
  font-weight: 600;
  border-radius: 999px;
  transition: color 0.25s ease, background 0.25s ease, transform 0.25s ease;
  -webkit-tap-highlight-color: rgba(0, 255, 136, 0.2);
  touch-action: manipulation;
}

.nav-list__link:hover,
.nav-list__link:focus-visible {
  background: rgba(0, 255, 136, 0.12);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.nav-list__link.is-active {
  color: var(--color-primary);
  background: rgba(0, 255, 136, 0.18);
}

.page-hero {
  margin: 2rem 0 3rem;
  text-align: center;
}

.page-title {
  font-size: clamp(2rem, 5vw, 3rem);
  margin: 0 0 0.75rem;
}

.page-subtitle {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.content-sections {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin: 0 0 clamp(2.5rem, 6vw, 3.5rem);
}

.content-section {
  background: linear-gradient(160deg, rgba(18, 20, 23, 0.9) 0%, rgba(27, 30, 35, 0.85) 100%);
  border-radius: var(--border-radius);
  border: 1px solid rgba(0, 255, 136, 0.08);
  box-shadow: var(--shadow-soft);
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.content-section__title {
  margin: 0 0 1rem;
  font-size: clamp(1.35rem, 3.5vw, 1.85rem);
}

.content-section__paragraph {
  margin: 0 0 1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.content-section__paragraph:last-child {
  margin-bottom: 0;
}

@media (min-width: 960px) {
  .content-sections {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .content-section:last-child {
    grid-column: span 2;
  }
}

.cards-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

@media (min-width: 640px) {
  .cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .cards-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.cards-sections {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.5rem;
}

.cards-section {
  background: linear-gradient(
    160deg,
    rgba(18, 20, 23, 0.85) 0%,
    rgba(27, 30, 35, 0.85) 100%
  );
  border-radius: var(--border-radius);
  border: 1px solid rgba(0, 255, 136, 0.08);
  box-shadow: var(--shadow-soft);
  padding: clamp(1.25rem, 4vw, 2rem);
}

.cards-section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.cards-section__title {
  margin: 0;
  font-size: clamp(1.4rem, 4vw, 2rem);
}

.empty-state--category {
  margin: 0;
  text-align: left;
}

.card {
  background: linear-gradient(160deg, var(--color-surface) 0%, var(--color-surface-alt) 100%);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(0, 255, 136, 0.12);
}

.card__media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.02);
}

.card__media picture {
  display: block;
  width: 100%;
  height: 100%;
}

.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.card__title {
  margin: 0;
  font-size: 1.25rem;
}

.card__description {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.card__actions {
  margin-top: auto;
  padding: 1.5rem;
  display: flex;
  justify-content: flex-end;
}

.button {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border: none;
  color: #03170d;
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  -webkit-tap-highlight-color: rgba(0, 255, 136, 0.3);
  touch-action: manipulation;
  min-height: 44px;
}

.button--with-icon {
  gap: 0.75rem;
}

.button--with-icon .icon {
  color: inherit;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px) scale(1.01);
  box-shadow: 0 14px 30px rgba(0, 255, 136, 0.25);
}

.button--ghost {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid rgba(0, 255, 136, 0.3);
}

.button--danger {
  background: linear-gradient(135deg, var(--color-danger) 0%, #ff1f4d 100%);
  color: white;
}

.empty-state {
  background: rgba(18, 20, 23, 0.65);
  border: 1px dashed rgba(0, 255, 136, 0.3);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  color: var(--color-text-muted);
}

.site-footer {
  margin-top: auto;
  padding: 2rem clamp(1rem, 4vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: rgba(10, 12, 15, 0.9);
  border-top: 1px solid rgba(0, 255, 136, 0.12);
}

.footer-links {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s ease;
}

.footer-links a:hover,
.footer-links a:focus {
  color: var(--color-primary);
  text-decoration: underline;
}

.logout-form {
  margin: 0;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-field__label {
  font-weight: 600;
}

.form-field__note {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
  display: block;
}

.form-field__note a {
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.form-field__input,
.form-field textarea,
.form-field select {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(0, 255, 136, 0.2);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  color: var(--color-text);
  font-size: 1rem;
}

.form-field__input:focus-visible,
.form-field textarea:focus-visible,
.form-field select:focus-visible {
  outline: 2px solid rgba(0, 255, 136, 0.6);
  outline-offset: 2px;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
}

.form-error {
  background: rgba(255, 77, 109, 0.15);
  border: 1px solid rgba(255, 77, 109, 0.35);
  color: #ffc9d3;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  margin: 0 0 1rem;
}

.auth-card {
  background: rgba(10, 12, 15, 0.75);
  border-radius: var(--border-radius);
  padding: 2.5rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(0, 255, 136, 0.15);
  width: min(420px, 100%);
  margin: 0 auto;
}

.message-block {
  background: rgba(10, 12, 15, 0.75);
  border-radius: var(--border-radius);
  padding: 2.5rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(0, 255, 136, 0.15);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.admin-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.panel-card {
  background: rgba(10, 12, 15, 0.8);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(0, 255, 136, 0.18);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.panel-card__title {
  margin: 0;
  font-size: 1.35rem;
}

.category-editor-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.category-editor {
  border: 1px solid rgba(0, 255, 136, 0.16);
  border-radius: 18px;
  padding: 1.75rem;
  background: rgba(16, 18, 22, 0.7);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.category-editor__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.category-editor__title {
  margin: 0;
  font-size: 1.25rem;
}

.category-editor__form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card-editor-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.card-editor {
  border: 1px solid rgba(0, 255, 136, 0.18);
  border-radius: 16px;
  padding: 1.5rem;
  background: rgba(18, 20, 23, 0.65);
}

.card-editor__title {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
}

.empty-state--category-admin {
  margin: 0;
  font-style: italic;
  color: var(--color-text-muted);
}

.form-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.inline-form {
  display: inline;
}

.accordion {
  border-radius: 16px;
  background: rgba(8, 10, 12, 0.6);
  border: 1px solid rgba(0, 255, 136, 0.12);
  margin-bottom: 1rem;
}

.accordion__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
}

.badge {
  background: rgba(0, 255, 136, 0.2);
  color: var(--color-primary);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.85rem;
}

.sr-only {
  border: 0;
  clip: rect(0 0 0 0);
  height: 1px;
  width: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  position: absolute;
}

@media (max-width: 820px) {
  .site-header {
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1rem;
  }

  .nav-toggle {
    display: inline-flex;
    min-width: 44px;
    min-height: 44px;
    -webkit-tap-highlight-color: rgba(0, 255, 136, 0.2);
    touch-action: manipulation;
  }

  .nav-list {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    background: rgba(10, 12, 15, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem;
    border-radius: 16px;
    min-width: 220px;
    box-shadow: var(--shadow-soft);
    transform: scale(0.9);
    transform-origin: top right;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 1000;
  }

  .nav-list.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: scale(1);
  }

  .nav-list__link {
    padding: 0.875rem 1rem;
    min-height: 44px;
  }
}

@media (max-width: 600px) {
  .page-content {
    padding: 1rem clamp(1rem, 4vw, 1.5rem) 3rem;
    width: 100%;
  }

  .page-hero {
    margin: 1.5rem 0 2rem;
  }

  .page-title {
    font-size: clamp(1.75rem, 8vw, 2.5rem);
  }

  .page-subtitle {
    font-size: 0.95rem;
    padding: 0 1rem;
  }

  .content-section {
    padding: 1.25rem;
  }

  .content-section__title {
    font-size: 1.25rem;
  }

  .content-section__paragraph {
    font-size: 0.95rem;
    line-height: 1.6;
  }

  .cards-section {
    padding: 1.25rem;
  }

  .cards-section__title {
    font-size: 1.3rem;
  }

  .cards-grid {
    gap: 1rem;
  }

  .card__body {
    padding: 1.25rem;
  }

  .card__title {
    font-size: 1.1rem;
  }

  .card__description {
    font-size: 0.9rem;
  }

  .card__actions {
    justify-content: stretch;
    padding: 1.25rem;
  }

  .button {
    width: 100%;
    padding: 0.875rem 1.25rem;
  }

  .site-footer {
    flex-direction: column;
    padding: 1.5rem 1rem;
    text-align: center;
  }

  .site-header {
    padding: 1rem;
  }

  .site-header__subtitle {
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .page-content {
    padding: 0.75rem 1rem 2.5rem;
  }

  .page-hero {
    margin: 1rem 0 1.5rem;
  }

  .content-section {
    padding: 1rem;
    border-radius: 14px;
  }

  .cards-section {
    padding: 1rem;
    border-radius: 14px;
  }

  .card {
    border-radius: 14px;
  }

  .card__body {
    padding: 1rem;
  }

  .card__actions {
    padding: 1rem;
  }

  .site-header__logo {
    font-size: 1.4rem;
  }

  .site-header__subtitle {
    font-size: 0.75rem;
  }
}