/* MAYA Downloads - MAYA x NOTHING design system (IBM Plex Mono + Inter) */

:root {
  --void: #0a0a0a;
  --bg: #0a0a0a;
  --matter: #141414;
  --bg-card: #141414;
  --bg-card-hover: #1a1a1a;
  --border: #262626;
  --border-hover: #3a3a3a;
  --text: #fafafa;
  --text-main: #fafafa;
  --text-muted: #a0a0a0;
  --text-dim: #666666;
  --accent: #e61e25;
  --accent-hover: #c81a1f;
  --accent-subtle: rgba(230, 30, 37, 0.08);
  --gap: 16px;
  --gap-lg: 24px;
  --radius: 8px;
  --radius-lg: 12px;
  --max-width: 1100px;
  --font-mono: 'IBM Plex Mono', monospace;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 15px;
  background: var(--void);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--gap);
  padding-right: var(--gap);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--gap-lg);
    padding-right: var(--gap-lg);
  }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.9);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

@media (min-width: 768px) {
  .site-header .container {
    height: 64px;
  }
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: 22px;
  width: auto;
  display: block;
  filter: invert(19%) sepia(96%) saturate(6744%) hue-rotate(357deg) brightness(96%) contrast(114%);
}

.logo-text {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  gap: var(--gap);
}

.nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: 17px;
  transition: all var(--transition);
}

.nav a:hover {
  color: var(--text);
  border-color: var(--border-hover);
  background: var(--bg-card);
}

/* Main */
.main {
  flex: 1;
  padding-top: var(--gap-lg);
  padding-bottom: var(--gap-lg);
}

@media (min-width: 768px) {
  .main {
    padding-top: 48px;
    padding-bottom: 48px;
  }
}

/* Hero */
.hero {
  text-align: center;
  margin-bottom: var(--gap-lg);
}

@media (min-width: 768px) {
  .hero {
    margin-bottom: 48px;
  }
}

/* Home: three boxes */
.home-categories {
  padding-top: 0;
}

.home-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

@media (min-width: 600px) {
  .home-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.home-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  text-align: center;
  min-height: 220px;
  padding: var(--gap-lg);
  background: var(--bg-card) center/cover no-repeat;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.home-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.75) 70%, rgba(0,0,0,0.92) 100%);
  pointer-events: none;
}

.home-box > * {
  position: relative;
  z-index: 1;
}

.home-box:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.home-box-ebook {
  background-image: url('/images/hero/ebook-bg.png');
}

.home-box-wallpaper {
  background-image: url('/images/hero/wallpaper-bg.png');
}

.home-box-stl {
  background-image: url('/images/hero/stl-bg.png');
}

.home-box-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--text-main);
}

.home-box-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.hero-title {
  font-family: var(--font-mono);
  font-size: 2.25rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1;
  text-transform: uppercase;
  margin-bottom: 16px;
  color: rgba(255, 255, 255, 0.95);
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3.2rem;
  }
}

.hero-title .accent {
  color: var(--accent);
}

.hero-desc {
  color: var(--text-muted);
  font-size: 0.9375rem;
  max-width: 480px;
  margin: 0 auto;
  font-weight: 400;
}

/* Sections */
.sections {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

@media (min-width: 768px) {
  .sections {
    gap: 56px;
  }
}

.section {
  width: 100%;
}

.section-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap);
  margin-bottom: var(--gap-lg);
  padding-bottom: var(--gap);
  border-bottom: 1px solid var(--border);
}

.section-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 1.125rem;
  }
}

.section-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.back-link {
  display: inline-block;
  margin-bottom: var(--gap);
  color: var(--text-muted);
  font-size: 0.875rem;
  text-decoration: none;
}

.back-link:hover {
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  text-decoration: none;
  border-radius: var(--radius);
  white-space: nowrap;
  transition: all var(--transition);
}

.btn:hover {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
}

.btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  pointer-events: none;
}

/* Wallpaper filters */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: var(--gap);
}

.filter-btn {
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius);
  transition: all var(--transition);
}

.filter-btn:hover {
  border-color: var(--border-hover);
  color: var(--text);
  background: var(--bg-card-hover);
}

.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* Card grid */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

@media (min-width: 480px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap-lg);
  }
}

@media (min-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}

.card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.card-thumb {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  background: var(--border);
  display: block;
}

.card-body {
  padding: var(--gap);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
  line-height: 1.4;
}

.card-subtitle {
  font-weight: 400;
  color: var(--accent);
  font-size: 0.75rem;
}

.card-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-badge {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.card-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card-actions .btn {
  width: 100%;
}

.variant-list {
  display: none;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.variant-list.open {
  display: block;
}

.variant-list button {
  width: 100%;
  padding: 8px 12px;
  margin-bottom: 6px;
  font-size: 0.8125rem;
  text-align: left;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  border-radius: 4px;
}

.variant-list button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px var(--gap);
  color: var(--text-muted);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: var(--gap-lg) 0;
  margin-top: auto;
}

.site-footer .container {
  text-align: center;
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: var(--gap-lg);
  margin-bottom: 12px;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.875rem;
  text-decoration: none;
}

.footer-social a img {
  flex-shrink: 0;
  opacity: 0.85;
}

.footer-social a:hover {
  color: var(--text);
}

.footer-social a:hover img {
  opacity: 1;
}

.footer-credits {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.footer-disclaimer {
  font-size: 0.6875rem;
  color: var(--text-muted);
  opacity: 0.8;
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Admin page */
.admin-wrap {
  min-height: 100vh;
  padding: var(--gap-lg) 0;
}

.admin-wrap .container {
  max-width: 900px;
}

.admin-title {
  font-size: 1.5rem;
  margin-bottom: var(--gap-lg);
}

.admin-login {
  max-width: 320px;
  margin: 0 auto;
  padding: var(--gap-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.admin-login input {
  width: 100%;
  padding: 12px 14px;
  margin-bottom: 12px;
  font-size: 1rem;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  border-radius: 4px;
}

.admin-login button {
  width: 100%;
  padding: 12px;
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  border-radius: 4px;
}

.admin-login button:hover {
  background: #c81a1f;
}

.admin-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--gap);
  flex-wrap: wrap;
  gap: var(--gap);
}

.admin-list {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}

.admin-item {
  display: flex;
  align-items: center;
  gap: var(--gap);
  padding: var(--gap);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.admin-item-thumb {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
}

.admin-item-info {
  flex: 1;
  min-width: 0;
}

.admin-item-title {
  font-weight: 600;
  margin-bottom: 2px;
}

.admin-item-meta {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.admin-item-actions {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-item-visible {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.admin-category-section {
  margin-bottom: var(--gap-lg);
}

.admin-category-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--gap);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.admin-edit-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--gap);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}

.admin-edit-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.admin-edit-modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.admin-edit-modal .modal-close {
  position: absolute;
  top: var(--gap);
  right: var(--gap);
  width: 36px;
  height: 36px;
  border: none;
  background: var(--border);
  color: var(--text);
  font-size: 1.25rem;
  cursor: pointer;
  border-radius: 4px;
  z-index: 2;
}

.admin-edit-modal .form-section {
  padding: var(--gap-lg);
}

.admin-edit-modal .form-section + .form-section {
  border-top: 1px solid var(--border);
}

.admin-upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: var(--gap-lg);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.admin-upload-zone:hover {
  border-color: var(--accent);
  background: var(--accent-subtle);
}

.admin-upload-zone.has-file,
.admin-upload-zone.drag-over {
  border-style: solid;
  border-color: var(--accent);
  background: var(--accent-subtle);
}

.admin-toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--border);
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.2s;
}

.admin-toggle-switch.on {
  background: var(--accent);
}

.admin-toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: var(--text);
  border-radius: 50%;
  transition: transform 0.2s;
}

.admin-toggle-switch.on::after {
  transform: translateX(20px);
}

.admin-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--gap-lg);
  margin-bottom: var(--gap-lg);
}

.admin-form label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.admin-form input,
.admin-form select,
.admin-form textarea {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 12px;
  font-size: 0.9375rem;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  border-radius: 4px;
}

.admin-form textarea {
  min-height: 80px;
  resize: vertical;
}

.admin-form button[type="submit"] {
  padding: 12px 24px;
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  border-radius: 4px;
}

.admin-form button[type="submit"]:hover {
  background: #c81a1f;
}

.variants-editor {
  margin-top: 12px;
}

.variants-editor .variant-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 8px;
  margin-bottom: 12px;
  align-items: end;
}

.variants-editor .variant-row input,
.variants-editor .variant-row select {
  margin-bottom: 0;
}

.variants-editor .variant-row .variant-filesize {
  grid-column: 1 / -1;
}

@media (max-width: 600px) {
  .variants-editor .variant-row {
    grid-template-columns: 1fr auto;
  }
  .variants-editor .variant-row input[placeholder*="URL"] {
    grid-column: 1 / -1;
  }
}

.logout-btn {
  font-size: 0.8125rem;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: underline;
}

.logout-btn:hover {
  color: var(--text);
}

/* Preview modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--gap);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow: auto;
  position: relative;
}

.modal-close {
  position: absolute;
  top: var(--gap);
  right: var(--gap);
  width: 36px;
  height: 36px;
  border: none;
  background: var(--border);
  color: var(--text);
  font-size: 1.25rem;
  cursor: pointer;
  border-radius: 4px;
  line-height: 1;
  z-index: 2;
}

.modal-close:hover {
  background: var(--text-muted);
}

.modal-preview-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: contain;
  background: var(--bg);
  display: block;
}

.modal-body {
  padding: var(--gap);
}

.modal-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

.modal-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: var(--gap);
}

.modal-downloads {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.modal-downloads a,
.modal-downloads button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  text-decoration: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
}

.modal-downloads a:hover:not(.no-url),
.modal-downloads button:hover:not(.no-url) {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.modal-downloads .no-url {
  color: var(--text-muted);
  cursor: default;
  opacity: 0.6;
}

.card-preview {
  cursor: pointer;
}

.card-preview .card-thumb {
  cursor: pointer;
}