/* Page layout */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #1a365d 0, #0b1120 45%, #020617 100%);
  color: #e5e7eb;
}

main {
  max-width: 1100px;
  margin: 2.5rem auto 2rem;
  padding: 0 1.5rem;
}

header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.title-logo {
  max-width: 420px;
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto 0.5rem;
}

header p {
  margin: 0;
  color: #9ca3af;
}

footer {
  text-align: center;
  margin-bottom: 1.5rem;
  color: #6b7280;
  font-size: 0.8rem;
}

footer a {
  color: #93c5fd;
}

/* Panels and controls */

.panel {
  background: rgba(15, 23, 42, 0.92);
  border-radius: 14px;
  padding: 1.25rem 1.5rem 1.5rem;
  box-shadow: 0 18px 30px rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(148, 163, 184, 0.25);
  backdrop-filter: blur(16px);
}

.panel + .panel {
  margin-top: 1.5rem;
}

.panel-header {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 0.75rem;
}

.panel-header h2 {
  margin: 0;
  font-size: 1.4rem;
}

.panel-header p {
  margin: 0;
  color: #9ca3af;
  font-size: 0.9rem;
}

.set-count-text {
  margin-top: 0.15rem;
  font-size: 0.85rem;
  color: #e5e7eb;
}

.controls {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin: 1.25rem 0 1rem;
}

/* Controls inside choices panel (align right) */
.controls-choices {
  justify-content: flex-end;
  margin-top: 0.25rem;
  margin-bottom: 0.5rem;
}

/* Controls inside set filter panel (align right, smaller buttons) */
.controls-sets {
  justify-content: flex-end;
  margin-top: 0.5rem;
  margin-bottom: 0;
}

/* Buttons */

button {
  border-radius: 999px;
  border: none;
  padding: 0.55rem 1.4rem;
  font-size: 0.98rem;
  cursor: pointer;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: transform 0.08s ease, box-shadow 0.12s ease, background 0.15s ease;
}

button.primary {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: #f9fafb;
  box-shadow: 0 10px 20px rgba(22, 163, 74, 0.45);
}

button.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 26px rgba(22, 163, 74, 0.6);
}

button.secondary {
  background: linear-gradient(135deg, #4b5563, #374151);
  color: #e5e7eb;
  box-shadow: 0 8px 16px rgba(15, 23, 42, 0.6);
}

button.secondary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 22px rgba(15, 23, 42, 0.8);
}

button.small {
  padding: 0.35rem 0.9rem;
  font-size: 0.8rem;
}

/* Set filter chips */

.set-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.set-filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.28rem 0.5rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.6);
  font-size: 0.78rem;
  cursor: pointer;
  user-select: none;
}

.set-filter-chip input[type="checkbox"] {
  accent-color: #22c55e;
  cursor: pointer;
}

/* Pack grid */

.pack-choices {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.1rem;
  margin-top: 0.75rem;
}

.pack {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  min-height: 230px;
  background: #020617;
  box-shadow: 0 14px 22px rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(148, 163, 184, 0.55);
  transform-origin: center;
  transition:
    transform 0.12s ease-out,
    box-shadow 0.12s ease-out,
    border-color 0.12s ease-out,
    filter 0.12s ease-out;
}

.pack:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 20px 32px rgba(0, 0, 0, 0.7);
  border-color: #facc15;
  filter: brightness(1.04);
}

.pack:active {
  transform: translateY(0) scale(0.99);
  box-shadow: 0 10px 16px rgba(0, 0, 0, 0.5);
}

/* Pack art */

.pack-art {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: saturate(1.1) contrast(1.05) brightness(1.08);
  transform: scale(1.03);
}

.pack-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top left,
      rgba(250, 204, 21, 0.32),
      transparent 50%),
    linear-gradient(
      to bottom,
      rgba(15, 23, 42, 0.25) 0%,
      rgba(15, 23, 42, 0.6) 55%,
      rgba(2, 6, 23, 0.8) 100%
    );
}

/* Pack content overlay */

.pack-content {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 0.9rem 0.95rem 0.85rem;
  color: #f9fafb;
}

.pack-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
}

.pack-title {
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.9);
}

.pack-tag {
  padding: 0.12rem 0.5rem;
  border-radius: 999px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  background: rgba(15, 23, 42, 0.84);
  border: 1px solid rgba(249, 250, 251, 0.2);
  color: #e5e7eb;
}

/* Color pips */

.pack-colors {
  display: flex;
  gap: 0.25rem;
  margin-top: 0.35rem;
}

.color-pip {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid rgba(15, 23, 42, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

.color-W {
  background: #fdf6c2;
  color: #3f3f46;
}

.color-U {
  background: #bae6fd;
  color: #0f172a;
}

.color-B {
  background: #111827;
  color: #f9fafb;
}

.color-R {
  background: #fecaca;
  color: #7f1d1d;
}

.color-G {
  background: #bbf7d0;
  color: #064e3b;
}

.pack-description {
  margin-top: 0.4rem;
  font-size: 0.85rem;
  color: #e5e7eb;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.75);
}

.pack-meta {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: #e5e7eb;
}

.pack-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.pack-meta-label {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #e5e7eb;
}

.pack-meta-value {
  color: #facc15;
}

/* First pack summary (shown when picking pack 2) */

.first-pack-summary {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.4rem;
  margin-bottom: 0.5rem;
  padding: 0.55rem 0.75rem;
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.6);
  font-size: 0.85rem;
}

.first-pack-summary-label {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #9ca3af;
}

.first-pack-summary-name {
  font-weight: 700;
}

.first-pack-summary-set {
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.7);
}

/* Decklist textarea */

textarea {
  width: 100%;
  resize: vertical;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: #020617;
  color: #e5e7eb;
  padding: 0.8rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.9rem;
  line-height: 1.4;
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.9);
}

/* Changelog */

.changelog-content p {
  margin: 0.2rem 0;
  font-size: 0.85rem;
  color: #e5e7eb;
}

/* Card preview panel (first card hover) */

.card-preview {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 320px;
  max-height: 80vh;
  background: rgba(15, 23, 42, 0.96);
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  box-shadow: 0 18px 30px rgba(0, 0, 0, 0.7);
  padding: 0.6rem 0.6rem 0.7rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  z-index: 50;
}

.card-preview-header {
  font-size: 0.85rem;
  font-weight: 600;
  color: #e5e7eb;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.card-preview-name {
  font-weight: 700;
}

.card-preview-type {
  font-size: 0.78rem;
  color: #9ca3af;
}

.card-preview-mana {
  font-size: 0.8rem;
  color: #e5e7eb;
}

.card-preview-body {
  display: flex;
  gap: 0.5rem;
  max-height: 60vh;
}

.card-preview-image {
  flex: 0 0 145px;
}

.card-preview-image img {
  width: 100%;
  border-radius: 8px;
  display: block;
}

.card-preview-text {
  flex: 1;
  font-size: 0.78rem;
  color: #e5e7eb;
  white-space: pre-wrap;
  overflow-y: auto;
}

/* Small screens */

@media (max-width: 640px) {
  main {
    margin-top: 1.5rem;
  }

  .first-pack-summary {
    flex-wrap: wrap;
    gap: 0.35rem;
  }

  .card-preview {
    right: 0.75rem;
    left: 0.75rem;
    width: auto;
  }
}