/* ===========================================================
   WebP -> PNG Converter — Styles
   Scoped with .wp2png- prefix so it can be safely embedded
   inside any existing website / shortcode without conflicts.
   =========================================================== */

#wp2png-app, #wp2png-app * {
  box-sizing: border-box;
}

#wp2png-app {
  --wp2png-primary: #6366f1;
  --wp2png-primary-dark: #4f46e5;
  --wp2png-accent: #22d3ee;
  --wp2png-bg: #0f1220;
  --wp2png-bg-soft: #171a2e;
  --wp2png-card: #1c2038;
  --wp2png-border: #2b2f4a;
  --wp2png-text: #eef0fb;
  --wp2png-text-muted: #9aa0c3;
  --wp2png-danger: #ef4444;
  --wp2png-success: #22c55e;

  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
  width: 100%;
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at 15% 10%, #22224a 0%, var(--wp2png-bg) 45%) fixed;
  color: var(--wp2png-text);
  line-height: 1.5;
}

/* ---------------- Header ---------------- */
.wp2png-header {
  padding: 18px 28px;
  border-bottom: 1px solid var(--wp2png-border);
  background: rgba(15, 18, 32, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.wp2png-header-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}

.wp2png-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.wp2png-logo {
  flex-shrink: 0;
  display: flex;
}

.wp2png-brand-text h1 {
  font-size: 1.3rem;
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.wp2png-brand-text p {
  margin: 2px 0 0;
  font-size: 0.8rem;
  color: var(--wp2png-text-muted);
}

.wp2png-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.wp2png-badge {
  font-size: 0.75rem;
  background: var(--wp2png-bg-soft);
  border: 1px solid var(--wp2png-border);
  padding: 6px 12px;
  border-radius: 999px;
  color: var(--wp2png-text-muted);
  white-space: nowrap;
}

/* ---------------- Main layout ---------------- */
.wp2png-main {
  flex: 1;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* ---------------- Drop zone ---------------- */
.wp2png-dropzone {
  border: 2.5px dashed var(--wp2png-border);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(99,102,241,0.06), rgba(34,211,238,0.03));
  padding: 60px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.wp2png-dropzone.wp2png-dragover {
  border-color: var(--wp2png-primary);
  background: linear-gradient(180deg, rgba(99,102,241,0.16), rgba(34,211,238,0.08));
  transform: scale(1.005);
}

.wp2png-dropzone-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.wp2png-dropzone-icon {
  color: var(--wp2png-primary);
  margin-bottom: 8px;
  animation: wp2png-float 3s ease-in-out infinite;
}

@keyframes wp2png-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.wp2png-dropzone h2 {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 700;
}

.wp2png-dropzone p {
  margin: 0;
  color: var(--wp2png-text-muted);
}

.wp2png-hint {
  font-size: 0.8rem;
  margin-top: 10px !important;
}

/* ---------------- Buttons ---------------- */
.wp2png-btn {
  font-size: 0.92rem;
  font-weight: 600;
  padding: 11px 20px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, filter 0.15s ease, opacity 0.15s ease;
  white-space: nowrap;
}

.wp2png-btn:active {
  transform: scale(0.97);
}

.wp2png-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.wp2png-btn-primary {
  background: linear-gradient(135deg, var(--wp2png-primary), var(--wp2png-accent));
  color: #fff;
  box-shadow: 0 6px 18px rgba(99, 102, 241, 0.35);
}

.wp2png-btn-primary:hover:not(:disabled) {
  filter: brightness(1.08);
}

.wp2png-btn-ghost {
  background: transparent;
  border: 1.5px solid var(--wp2png-border);
  color: var(--wp2png-text);
}

.wp2png-btn-ghost:hover {
  border-color: var(--wp2png-primary);
  color: var(--wp2png-primary);
}

.wp2png-btn-danger {
  background: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
  border: 1.5px solid rgba(239, 68, 68, 0.4);
}

.wp2png-btn-danger:hover {
  background: rgba(239, 68, 68, 0.2);
}

.wp2png-btn-small {
  font-size: 0.78rem;
  padding: 7px 12px;
  border-radius: 8px;
}

/* ---------------- Toolbar ---------------- */
.wp2png-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  background: var(--wp2png-bg-soft);
  border: 1px solid var(--wp2png-border);
  border-radius: 14px;
  padding: 14px 18px;
}

.wp2png-toolbar-stats {
  font-size: 0.9rem;
  color: var(--wp2png-text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

#fileCount {
  color: var(--wp2png-text);
  font-weight: 700;
}

.wp2png-dot {
  opacity: 0.5;
}

.wp2png-toolbar-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ---------------- Results grid ---------------- */
.wp2png-results {
  flex: 1;
}

.wp2png-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 18px;
}

.wp2png-card {
  background: var(--wp2png-card);
  border: 1px solid var(--wp2png-border);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: wp2png-fadein 0.35s ease;
}

@keyframes wp2png-fadein {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.wp2png-thumb {
  position: relative;
  width: 100%;
  height: 160px;
  background:
    linear-gradient(45deg, #2a2e4a 25%, transparent 25%),
    linear-gradient(-45deg, #2a2e4a 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #2a2e4a 75%),
    linear-gradient(-45deg, transparent 75%, #2a2e4a 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  background-color: #1c2038;
  display: flex;
  align-items: center;
  justify-content: center;
}

.wp2png-thumb img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.wp2png-thumb .wp2png-spinner {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.15);
  border-top-color: var(--wp2png-accent);
  animation: wp2png-spin 0.8s linear infinite;
}

@keyframes wp2png-spin {
  to { transform: rotate(360deg); }
}

.wp2png-status-icon {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 0.9rem;
  background: rgba(0,0,0,0.5);
  border-radius: 50%;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.wp2png-card-body {
  padding: 12px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.wp2png-filename {
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.wp2png-meta {
  font-size: 0.75rem;
  color: var(--wp2png-text-muted);
  display: flex;
  justify-content: space-between;
  gap: 6px;
}

.wp2png-meta .wp2png-save {
  color: var(--wp2png-success);
  font-weight: 700;
}

.wp2png-card-actions {
  margin-top: auto;
  display: flex;
  gap: 8px;
}

.wp2png-card-actions .wp2png-btn {
  flex: 1;
  text-align: center;
}

.wp2png-error-text {
  color: #fca5a5;
  font-size: 0.78rem;
}

/* ---------------- Empty state / features ---------------- */
.wp2png-empty {
  text-align: center;
  padding: 10px 10px 30px;
}

.wp2png-empty h3 {
  font-size: 1.15rem;
  margin-bottom: 20px;
  color: var(--wp2png-text-muted);
  font-weight: 600;
}

.wp2png-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.wp2png-feature {
  background: var(--wp2png-bg-soft);
  border: 1px solid var(--wp2png-border);
  border-radius: 14px;
  padding: 22px 16px;
}

.wp2png-feature-icon {
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.wp2png-feature h4 {
  margin: 0 0 6px;
  font-size: 0.95rem;
}

.wp2png-feature p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--wp2png-text-muted);
}

/* ---------------- Footer ---------------- */
.wp2png-footer {
  text-align: center;
  padding: 16px;
  font-size: 0.75rem;
  color: var(--wp2png-text-muted);
  border-top: 1px solid var(--wp2png-border);
}

/* ---------------- Toast ---------------- */
.wp2png-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #111328;
  border: 1px solid var(--wp2png-border);
  color: var(--wp2png-text);
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 0.85rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 999;
  max-width: 90vw;
  text-align: center;
}

.wp2png-toast.wp2png-show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.wp2png-toast.wp2png-error {
  border-color: rgba(239,68,68,0.5);
  color: #fca5a5;
}

.wp2png-toast.wp2png-success {
  border-color: rgba(34,197,94,0.5);
  color: #86efac;
}

/* ---------------- Responsive ---------------- */
@media (max-width: 640px) {
  .wp2png-header { padding: 14px 16px; }
  .wp2png-main { padding: 16px; }
  .wp2png-dropzone { padding: 40px 14px; min-height: 220px; }
  .wp2png-dropzone h2 { font-size: 1.1rem; }
  .wp2png-toolbar { flex-direction: column; align-items: stretch; }
  .wp2png-toolbar-actions { justify-content: stretch; }
  .wp2png-toolbar-actions .wp2png-btn { flex: 1; }
  .wp2png-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
}