@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;700&display=swap');

:root {
  --bg: #0a0a0a;
  --bg-panel: #121212;
  --text: #e0e0e0;
  --text-muted: #888888;
  --accent: #00ff41;
  --accent-dim: #00aa2b;
  --border: #222222;
  --danger: #ff3333;
  --warning: #ffcc00;
  --input-bg: #0d0d0d;
  --table-header: #1a1a1a;
  --scanline: rgba(255, 255, 255, 0.03);
  --cursor: #00ff41;
  --grid-line: rgba(255, 255, 255, 0.035);
}

[data-theme="light"] {
  --bg: #f4f4f4;
  --bg-panel: #ffffff;
  --text: #111111;
  --text-muted: #555555;
  --accent: #00cc33;
  --accent-dim: #009926;
  --border: #dddddd;
  --danger: #cc0000;
  --warning: #b38f00;
  --input-bg: #ffffff;
  --table-header: #eeeeee;
  --scanline: rgba(0, 0, 0, 0.02);
  --cursor: #00cc33;
  --grid-line: rgba(0, 0, 0, 0.04);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
  color: var(--text);
  font-family: 'IBM Plex Mono', 'Courier New', Courier, monospace;
  line-height: 1.6;
  min-height: 100vh;
  transition: background 0.3s, color 0.3s;
}

.terminal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    var(--scanline),
    var(--scanline) 1px,
    transparent 1px,
    transparent 4px
  );
  pointer-events: none;
  z-index: 10;
  opacity: 0.6;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 1rem;
  position: relative;
  z-index: 20;
}

/* Header */
header {
  border: 1px solid var(--border);
  border-bottom: none;
  background: var(--bg-panel);
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  position: relative;
  z-index: 20;
}

.brand {
  font-size: 1.5rem;
  font-weight: bold;
  letter-spacing: 0.1rem;
  color: var(--accent);
  text-transform: uppercase;
  text-decoration: none;
}

.brand::before {
  content: '>';
  color: var(--accent);
  margin-right: 0.5rem;
}

.nav {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.nav a {
  color: var(--text);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  background: var(--input-bg);
  font-size: 0.85rem;
  transition: all 0.2s;
}

.nav a:hover {
  background: var(--accent);
  color: #000;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 1rem;
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}

.theme-toggle:hover {
  background: var(--accent);
  color: #000;
}

/* Hero / Intro */
.hero {
  text-align: center;
  padding: 3rem 1rem;
  border-bottom: 1px solid var(--border);
}

.hero h1 {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.2rem;
  display: none;
}

.rotary {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
  letter-spacing: 0.1rem;
  height: 3rem;
  display: inline-block;
  position: relative;
  vertical-align: bottom;
}

.hero p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto;
}

.catalog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 2rem 0 1rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.catalog-header h2 {
  color: var(--accent);
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1rem;
}

.controls {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.form-select {
  width: 180px;
  padding: 0.5rem;
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}

.form-select:focus {
  outline: none;
  border-color: var(--accent);
}

.cat-filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 1rem 0 1.5rem;
}

.cat-btn {
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.cat-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

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

.rotary-cursor {
  display: inline-block;
  width: 0.6em;
  margin-left: 0.1em;
  animation: blink 1s infinite;
  color: var(--accent);
}

.cat-badge {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: var(--accent);
  color: #000;
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  text-transform: uppercase;
  font-weight: bold;
}

/* Catalog */
.catalog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 2rem 0 1rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.catalog-header h2 {
  color: var(--accent);
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1rem;
}

.btn {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--text);
  text-decoration: none;
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn:hover {
  background: var(--accent);
  color: #000;
}

.btn.primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}

.btn.secondary {
  border-color: var(--border);
  background: var(--bg-panel);
}

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

.btn.danger:hover {
  background: #cc0000;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 255, 65, 0.15);
  border-color: var(--accent-dim);
}

.card-cover {
  position: relative;
  height: 300px;
  background: var(--bg);
  overflow: hidden;
}

.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.3s;
}

.card:hover .card-cover img {
  transform: scale(1.05);
}

.card-cover-placeholder {
  width: 100%;
  height: 100%;
  background: #111;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  text-align: center;
}

.card-body {
  padding: 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  font-size: 1.1rem;
  font-weight: bold;
  margin-bottom: 0.4rem;
  color: var(--text);
}

.card-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}

.card-meta strong {
  color: var(--accent);
}

.card-actions {
  margin-top: auto;
  display: flex;
  gap: 0.5rem;
}

.card-actions a {
  flex: 1;
  text-align: center;
  padding: 0.5rem;
  font-size: 0.8rem;
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--text);
  background: var(--input-bg);
}

.card-actions a:hover {
  background: var(--accent);
  color: #000;
}

.empty-state {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-muted);
}

/* Admin */
.admin-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2rem;
}

.admin-sidebar {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 1rem;
  height: fit-content;
}

.admin-sidebar h3 {
  color: var(--accent);
  font-size: 1rem;
  text-transform: uppercase;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
}

.admin-sidebar ul {
  list-style: none;
}

.admin-sidebar li {
  margin-bottom: 0.6rem;
}

.admin-sidebar a {
  color: var(--text);
  text-decoration: none;
  padding: 0.5rem;
  display: block;
  border: 1px solid transparent;
  transition: all 0.2s;
}

.admin-sidebar a:hover {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}

.admin-content {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 1.5rem;
  min-height: 400px;
}

.admin-content h3 {
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

/* Upload form */
.upload-form {
  max-width: 600px;
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--accent);
  font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.6rem;
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.file-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-panel);
}

th, td {
  border: 1px solid var(--border);
  padding: 0.7rem 0.9rem;
  text-align: left;
  font-size: 0.85rem;
}

th {
  background: var(--table-header);
  color: var(--accent);
  text-transform: uppercase;
  font-weight: bold;
}

tr:hover {
  background: rgba(0, 255, 65, 0.05);
}

tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

/* Stats / IP */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 1rem;
  text-align: center;
}

.stat-card h4 {
  color: var(--accent);
  font-size: 0.9rem;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.stat-card .value {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--text);
}

.chart-wrap {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 1rem;
  margin-bottom: 1.5rem;
  position: relative;
  height: 300px;
}

.ip-table {
  margin-top: 1rem;
}

.ip-table th {
  background: var(--table-header);
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  font-size: 0.75rem;
  text-transform: uppercase;
}

.badge.local {
  background: var(--accent-dim);
  color: #000;
}

.badge.remote {
  background: var(--danger);
  color: #fff;
}

/* Login */
.login-wrap {
  max-width: 400px;
  margin: 4rem auto;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
}

.login-wrap h2 {
  color: var(--accent);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}

/* Cursor blink */
.cursor {
  display: inline-block;
  width: 8px;
  height: 1rem;
  background: var(--cursor);
  animation: blink 1s infinite;
  vertical-align: middle;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.cat-section {
  margin-bottom: 2rem;
}

.cat-title {
  color: var(--accent);
  text-transform: uppercase;
  font-size: 1rem;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.3rem;
}

.cat-section table {
  font-size: 0.8rem;
}

.cat-section th, .cat-section td {
  padding: 0.5rem 0.7rem;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.modal {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--table-header);
}

.modal-title {
  color: var(--accent);
  text-transform: uppercase;
  font-size: 1.1rem;
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

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

.modal-body {
  padding: 1.25rem;
}

/* Detalle de obra (popup) */
.detail-body {
  display: flex;
  gap: 1.5rem;
  padding: 1.25rem;
  align-items: flex-start;
}

.detail-cover {
  width: 160px;
  height: 220px;
  object-fit: cover;
  object-position: center;
  border: 1px solid var(--border);
  background: var(--bg);
  flex-shrink: 0;
}

.detail-cover-placeholder {
  width: 160px;
  height: 220px;
  background: #111;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  text-align: center;
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.detail-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.detail-title {
  font-size: 1.5rem;
  color: var(--accent);
  text-transform: uppercase;
  margin: 0;
}

.detail-meta {
  font-size: 0.9rem;
  color: var(--text);
}

.detail-meta strong {
  color: var(--accent);
}

.detail-desc {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.6;
  white-space: pre-wrap;
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
  margin-top: 0.5rem;
}

.detail-files {
  margin-top: 0.5rem;
}

.detail-files strong {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--accent);
  text-transform: uppercase;
  font-size: 0.85rem;
}

.detail-file {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  padding: 0.5rem;
  border: 1px solid var(--border);
  background: var(--input-bg);
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
}

.detail-file-name {
  flex: 1;
  color: var(--text);
}

.detail-file-format {
  color: var(--accent);
  font-weight: bold;
  white-space: nowrap;
}

.detail-file-size {
  color: var(--text-muted);
  white-space: nowrap;
}

.dl-btn {
  white-space: nowrap;
}

.card-actions {
  flex-wrap: wrap;
  padding: 0.75rem;
}

.card-actions .dl-btn {
  flex: 1 1 100%;
  font-size: 0.8rem;
}

.work-card { cursor: pointer; }
.work-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.detail-dialog {
  margin: auto;
  padding: 0;
  width: min(1000px, calc(100vw - 2rem));
  max-width: none;
  max-height: 90dvh;
  border: 0;
  color: var(--text);
  background: transparent;
  font-family: inherit;
}

.detail-dialog::backdrop, .admin-dialog::backdrop {
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
}

.detail-dialog .modal {
  max-width: none;
  max-height: 90dvh;
  border-color: var(--accent-dim);
  box-shadow: 0 20px 80px #0008;
}

.modal-header { position: sticky; top: 0; z-index: 1; flex-shrink: 0; }
.detail-info { min-width: 0; }
.detail-title, .detail-desc, .detail-file-name { overflow-wrap: anywhere; }
.detail-file { flex-wrap: wrap; }
.detail-file-name { flex-basis: 100%; }
.detail-file .btn { margin-left: auto; }

.admin-dialog {
  inset: 0;
  margin: 0;
  max-width: none;
  max-height: none;
  border: none;
  background: transparent;
  color: var(--text);
  font-family: inherit;
}
.admin-dialog:not([open]) { display: none; }
.admin-dialog .modal { max-width: 1000px; }
.admin-dialog #editForm { max-width: none !important; }

.download-input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.5rem;
  padding: 0.75rem;
  margin-bottom: 0.75rem;
  background: var(--input-bg);
  border: 1px solid var(--border);
}
.selected-files { grid-column: 1 / -1; overflow-wrap: anywhere; }
.file-picker input { min-width: 0; }
textarea { resize: vertical; }

.viewer-txt {
  width: 100%;
  height: 100%;
  overflow-y: auto;
  padding: 1.25rem;
  font-family: inherit;
  font-size: 0.95rem;
  line-height: 1.7;
  white-space: pre-wrap;
  background: var(--bg-panel);
  color: var(--text);
  display: block;
}

.viewer-pdf,
.viewer-epub {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  background: #000;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 1rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: 2rem;
}

@media (max-width: 768px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }
  .admin-sidebar {
    display: block;
  }
  .admin-sidebar ul { display: flex; flex-wrap: wrap; gap: 0.5rem; }
  .admin-content { min-width: 0; padding: 1rem; }
  .detail-body { flex-direction: column; }
  .detail-cover, .detail-cover-placeholder { align-self: center; }
  .detail-title { font-size: 1.2rem; }
  .detail-file .btn { width: 100%; margin: 0; text-align: center; }
  .hero h1 {
    font-size: 1.8rem;
  }
}