/* ============================================================
   COMPONENTS — cards, buttons, nav links, hex viewer,
                tags, form groups, file drop zone
   ============================================================ */

/* ----------------------------------------------------------
   Card
   ---------------------------------------------------------- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}

/* Animated corner accent */
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 40px; height: 40px;
  border-top: 2px solid var(--color-accent);
  border-left: 2px solid var(--color-accent);
  border-radius: var(--radius-lg) 0 0 0;
  opacity: 0;
  transition: opacity var(--transition);
}

.card::after {
  content: '';
  position: absolute;
  bottom: 0; right: 0;
  width: 40px; height: 40px;
  border-bottom: 2px solid var(--color-accent2);
  border-right: 2px solid var(--color-accent2);
  border-radius: 0 0 var(--radius-lg) 0;
  opacity: 0;
  transition: opacity var(--transition);
}

/* Holographic inner glow */
.card .card-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(0,229,255,0.05) 0%,
    rgba(224,64,251,0.03) 50%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.card:hover {
  border-color: rgba(0, 229, 255, 0.5);
  box-shadow:
    0 0 0 1px rgba(0,229,255,0.1),
    0 8px 32px rgba(0,229,255,0.15),
    0 0 60px rgba(0,229,255,0.05);
  transform: translateY(-5px) scale(1.01);
}

.card:hover::before,
.card:hover::after {
  opacity: 1;
}

.card__title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.85rem;
  text-shadow: 0 0 8px rgba(0,229,255,0.4);
}

.card__text {
  color: var(--color-fg-dim);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* Post card extras */
.post-card__excerpt {
  color: var(--color-fg-dim);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.post-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.post-card__date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-accent2);
  display: block;
  margin-bottom: 1rem;
}

.post-card__link {
  margin-top: auto;
}

/* Downloads card */
.downloads__card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.downloads__btn {
  margin-top: auto;
  align-self: flex-start;
}

/* ----------------------------------------------------------
   Button
   ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-accent);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

/* Shimmer sweep on hover */
.btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent);
  transition: left 0.4s ease;
}

.btn:hover::before {
  left: 100%;
}

/* Primary */
.btn,
.btn--primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dim));
  color: var(--color-bg);
  box-shadow: 0 0 12px rgba(0,229,255,0.3);
}

.btn:hover,
.btn--primary:hover {
  background: transparent;
  color: var(--color-accent);
  box-shadow: var(--glow-cyan);
  transform: translateY(-2px);
}

/* Secondary */
.btn--secondary {
  background: transparent;
  color: var(--color-accent);
  border-color: rgba(0,229,255,0.4);
}

.btn--secondary:hover {
  background: rgba(0,229,255,0.08);
  border-color: var(--color-accent);
  box-shadow: 0 0 16px rgba(0,229,255,0.25);
  transform: translateY(-2px);
}

/* Danger */
.btn--danger {
  background: transparent;
  color: var(--color-danger);
  border-color: rgba(255,23,68,0.4);
}

.btn--danger:hover {
  background: rgba(255,23,68,0.08);
  border-color: var(--color-danger);
  box-shadow: 0 0 16px rgba(255,23,68,0.3);
}

.btn:disabled,
.btn[disabled] {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* ----------------------------------------------------------
   Nav link
   ---------------------------------------------------------- */
.nav__link {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-fg-dim);
  padding: 0.3rem 0;
  position: relative;
  transition: color var(--transition);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent2));
  transition: width var(--transition);
  box-shadow: var(--glow-cyan);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-accent);
  text-shadow: var(--glow-cyan);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__link--accent {
  color: var(--color-accent);
  border: 1px solid rgba(0,229,255,0.3);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius);
  transition: all var(--transition);
}

.nav__link--accent:hover {
  background: rgba(0,229,255,0.1);
  box-shadow: var(--glow-cyan);
}

/* ----------------------------------------------------------
   Hex viewer
   ---------------------------------------------------------- */
.hex-viewer {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.7;
  background: #02020a;
  border: 1px solid rgba(0,229,255,0.15);
  border-radius: var(--radius);
  overflow-x: auto;
  padding: 1.25rem;
  box-shadow: inset 0 0 30px rgba(0,229,255,0.03);
}

.hex-viewer pre {
  color: var(--color-fg);
  white-space: pre;
}

/* ----------------------------------------------------------
   Tag
   ---------------------------------------------------------- */
.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  color: var(--color-accent);
  background: rgba(0,229,255,0.07);
  border: 1px solid rgba(0,229,255,0.2);
  border-radius: 999px;
  padding: 0.2rem 0.7rem;
  line-height: 1.4;
  transition: all var(--transition);
}

.tag:hover {
  background: rgba(0,229,255,0.15);
  border-color: var(--color-accent);
  box-shadow: 0 0 8px rgba(0,229,255,0.3);
  color: #fff;
}

/* ----------------------------------------------------------
   Form group
   ---------------------------------------------------------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.form-group label {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.form-hint {
  color: var(--color-fg-dim);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: none;
  letter-spacing: 0;
}

.form-group input,
.form-group textarea,
.form-group select {
  background: rgba(0,229,255,0.02);
  color: var(--color-fg);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.7rem 1rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-accent);
  background: rgba(0,229,255,0.04);
  box-shadow: 0 0 0 2px rgba(0,229,255,0.12), 0 0 16px rgba(0,229,255,0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #2a2a3e;
}

/* ----------------------------------------------------------
   File drop zone
   ---------------------------------------------------------- */
.file-drop-zone {
  border: 2px dashed rgba(0,229,255,0.2);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--color-fg-dim);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  position: relative;
  background: rgba(0,229,255,0.01);
}

.file-drop-zone__text {
  color: var(--color-fg-dim);
  margin-bottom: 0.4rem;
}

.file-drop-zone__hint {
  font-size: 0.72rem;
  color: #3a3a5e;
}

.file-drop-zone:hover,
.file-drop-zone--active {
  border-color: var(--color-accent);
  background: rgba(0,229,255,0.04);
  box-shadow: 0 0 20px rgba(0,229,255,0.1), inset 0 0 20px rgba(0,229,255,0.03);
  color: var(--color-fg);
}

.file-drop-zone:hover .file-drop-zone__text,
.file-drop-zone--active .file-drop-zone__text {
  color: var(--color-accent);
}

/* ----------------------------------------------------------
   Code preview
   ---------------------------------------------------------- */
.code-preview {
  background: #02020a;
  border: 1px solid rgba(0,229,255,0.12);
  border-radius: var(--radius);
  padding: 1.25rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--color-fg);
  box-shadow: inset 0 0 30px rgba(0,229,255,0.02);
}

/* ----------------------------------------------------------
   ZIP contents table
   ---------------------------------------------------------- */
.zip-contents {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.zip-contents th {
  color: var(--color-accent);
  text-align: left;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid rgba(0,229,255,0.15);
  font-weight: 400;
  letter-spacing: 0.08em;
}

.zip-contents td {
  padding: 0.4rem 1rem;
  color: var(--color-fg-dim);
  border-bottom: 1px solid rgba(255,255,255,0.03);
}

.zip-contents tr:hover td {
  background: rgba(0,229,255,0.03);
  color: var(--color-fg);
}

/* ----------------------------------------------------------
   Posts empty state
   ---------------------------------------------------------- */
.posts-empty {
  font-family: var(--font-mono);
  color: var(--color-fg-dim);
  text-align: center;
  padding: 3rem;
  border: 1px dashed rgba(0,229,255,0.1);
  border-radius: var(--radius-lg);
  grid-column: 1 / -1;
}

.posts-empty::before {
  content: '// ';
  color: var(--color-accent);
}

/* ----------------------------------------------------------
   File upload progress row
   ---------------------------------------------------------- */
.file-upload-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.file-upload-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  width: 2rem;
  text-align: center;
}

.file-upload-info {
  flex: 1;
  min-width: 0;
}

.file-upload-info .file-preview-item__name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 0.1rem;
}

.file-upload-meta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: #3a3a5e;
  margin: 0;
}

.file-upload-status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-fg-dim);
  flex-shrink: 0;
}

.file-upload-progress {
  height: 2px;
  background: var(--color-border);
  border-radius: 1px;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.file-upload-progress__bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent2));
  border-radius: 1px;
  transition: width 0.15s ease;
  box-shadow: 0 0 6px var(--color-accent);
}