:root {
  --primary-color: #ff6b35;
  --secondary-color: #004e89;
  --accent-color: #1a73e8;
  --bg-light: #ffffff;
  --bg-dark: #1a1a1a;
  --text-light: #333333;
  --text-dark: #ffffff;
  --border-color: #e0e0e0;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --chrome-bg: #f6f7f9;
  --chrome-elevated: #ffffff;
  --chrome-text: #1f2933;
  --chrome-border: #d8dde6;
  --chrome-hover: rgba(0, 78, 137, 0.08);
  --chrome-active: rgba(0, 78, 137, 0.14);
  --chrome-muted: rgba(31, 41, 51, 0.08);
}

body.dark-theme {
  --bg-light: #1a1a1a;
  --bg-dark: #ffffff;
  --text-light: #ffffff;
  --text-dark: #333333;
  --border-color: #444444; 
  --chrome-bg: #11161d;
  --chrome-elevated: #19212b;
  --chrome-text: #f3f6f8;
  --chrome-border: #2b3745;
  --chrome-hover: rgba(255, 255, 255, 0.08);
  --chrome-active: rgba(255, 255, 255, 0.14);
  --chrome-muted: rgba(255, 255, 255, 0.08);
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--chrome-bg);
  color: var(--text-light);
  transition: background-color 0.3s ease, color 0.3s ease;
}

.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-shell {
  display: flex;
  flex: 1;
  align-items: stretch;
}

header {
  background-color: var(--chrome-bg);
  color: var(--chrome-text);
  padding: 0;
  box-shadow: var(--shadow);
  border-bottom: 1px solid var(--chrome-border);
}

.header-content {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.mobile-menu-toggle {
  display: none;
  border: 1px solid var(--chrome-border);
  background-color: var(--chrome-elevated);
  color: var(--chrome-text);
  padding: 0.6rem 0.9rem;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
}

.sidebar-overlay {
  display: none;
}

.sidebar-menu {
  width: 260px;
  flex-shrink: 0;
  background-color: var(--chrome-bg);
  color: var(--chrome-text);
  padding: 2rem 1.25rem;
  box-shadow: var(--shadow);
}

.logo a {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--accent-color);
  text-decoration: none;
  font-style: italic;
}

.menu {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.menu-vertical {
  flex-direction: column;
  align-items: stretch;
  gap: 0.75rem;
}

.menu-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--chrome-text);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: background-color 0.3s ease;
}

.menu-vertical .menu-link {
  width: 100%;
}

.menu-link img {
  display: block;
}

.menu-link:hover {
  background-color: var(--chrome-hover);
}

.menu-link-active {
  background-color: var(--chrome-active);
  box-shadow: inset 4px 0 0 var(--accent-color);
  font-weight: 700;
}

.theme-toggle {
  background: none;
  border: none;
  color: var(--chrome-text);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0.5rem;
  transition: transform 0.3s ease;
}

.theme-toggle:hover {
  transform: scale(1.2);
}

.sidebar-theme-toggle {
  align-self: flex-start;
  margin-top: 0.5rem;
}

.user-info-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background-color: var(--chrome-bg);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-info {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.user-name {
  font-weight: 600;
}

.gem-balance {
  background-color: var(--chrome-muted);
  padding: 0.5rem 1rem;
  border-radius: 20px;
}

.charge-gems-btn,
.login-btn {
  background-color: var(--accent-color);
  color: #fff;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  transition: background-color 0.3s ease;
}

.charge-gems-btn:hover,
.login-btn:hover {
  background-color: #1558b0;
}

.logout-btn {
  background-color: transparent;
  color: var(--accent-color);
  border: 2px solid var(--accent-color);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

.main-content {
  flex: 1;
  padding: 2rem 1.5rem;
  background-color: var(--chrome-bg);
}

.auth-page {
  min-height: calc(100vh - 8rem);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

#errorMessages {
  position: absolute;
  top: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  text-align: center;
  color: #d32f2f;
  padding: 1rem 2rem;
  background-color: rgba(0, 0, 0, 0.5);
  border-radius: 8px;
}

#errorMessages p {
  margin: 0.5rem 0;
  font-weight: 600;
}

.auth-forms {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: stretch;
  gap: 2rem;
  width: 100%;
}

.auth-panel {
  display: flex;
  flex-direction: column;
  background-color: var(--chrome-elevated);
  border: 1px solid var(--chrome-border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 2rem;
  width: min(100%, 414px);
}

.auth-divider {
  width: 1px;
  align-self: stretch;
  background-color: var(--chrome-border);
}

.auth-panel h2 {
  margin-bottom: 1.25rem;
  text-align: center;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 1;
}

.auth-form section {
  display: grid;
  gap: 0.45rem;
}

.auth-label,
.auth-input,
.auth-form > button[type="submit"],
.auth-social-button {
  width: 100%;
}

.auth-label {
  font-weight: 600;
}

.auth-input {
  padding: 0.8rem 1rem;
  border: 1px solid var(--chrome-border);
  border-radius: 14px;
  background-color: var(--bg-light);
  color: var(--text-light);
}

.auth-form > button[type="submit"] {
  background-color: var(--accent-color);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 0.85rem 1rem;
  cursor: pointer;
  font-weight: 600;
  margin-top: auto;
}

.auth-form > button[type="submit"]:hover {
  background-color: #1558b0;
}

.auth-social-block {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.auth-social-label {
  color: color-mix(in srgb, var(--text-light) 72%, white 28%);
  font-size: 0.95rem;
  text-align: center;
}

.auth-social-button {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.85rem 1rem;
  cursor: pointer;
  font-weight: 600;
  transition: filter 0.2s ease, transform 0.2s ease;
}

.auth-social-google {
  background-color: #ffffff;
  border-color: #dadce0;
  color: #1f1f1f;
}

.auth-social-google:hover {
  filter: brightness(0.97);
  transform: translateY(-1px);
}

.auth-social-facebook {
  background-color: #1877f2;
  border-color: #0f5ec9;
  color: #ffffff;
}

.auth-social-facebook:hover {
  filter: brightness(0.94);
  transform: translateY(-1px);
}

.auth-social-google:focus,
.auth-social-facebook:focus {
  outline: 2px solid color-mix(in srgb, var(--accent-color) 65%, white 35%);
  outline-offset: 1px;
}

.auth-input:focus {
  outline: 2px solid color-mix(in srgb, var(--accent-color) 60%, white 40%);
  outline-offset: 1px;
}

.page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  overflow: auto;
}

.section-page {
  display: grid;
  gap: 1.5rem;
}

.breadcrumb-trail {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: color-mix(in srgb, var(--text-light) 75%, white 25%);
  font-size: 0.95rem;
}

.breadcrumb-link {
  color: var(--secondary-color);
  text-decoration: none;
  font-weight: 600;
}

.breadcrumb-link:hover {
  text-decoration: underline;
}

.breadcrumb-separator {
  opacity: 0.65;
}

.breadcrumb-current {
  font-weight: 700;
}

.section-hero {
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.14), rgba(0, 78, 137, 0.12));
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 2rem;
  box-shadow: var(--shadow);
}

.section-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: 0.75rem;
}

.section-description {
  max-width: 70ch;
  line-height: 1.6;
  font-size: 1.05rem;
}

.section-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.section-card {
  background-color: color-mix(in srgb, var(--bg-light) 92%, var(--secondary-color) 8%);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.section-card-index {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.75rem;
}

h1 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

h2 {
  color: var(--accent-color);
  margin-bottom: 0.5rem;
}

.home-layout {
  display: grid;
  gap: 1.5rem;
}

.home-top-row {
  height: 300px;
  border: 1px solid var(--chrome-border);
  border-radius: 18px;
  background-color: var(--chrome-elevated);
  box-shadow: var(--shadow);
  padding: 1.25rem;
}

.home-bottom-row {
  display: flex;
  justify-content: flex-start;
  gap: 1rem;
  overflow-x: auto;
  overflow-y: hidden;
  flex-wrap: nowrap;
  padding: 0.5rem;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
}

.home-bottom-row .menu-link {
  flex: 0 0 auto;
}

.home-gachapon-image {
  height: 450px;
  width: auto;
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.card-item {
  background-color: var(--bg-dark);
  color: var(--text-dark);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.card-image {
  width: 100%;
  height: 300px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.placeholder-image {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.2rem;
  text-align: center;
}

.card-details {
  padding: 1rem;
}

.card-details h3 {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.pokemon-name {
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.rarity {
  font-size: 0.9rem;
  color: var(--accent-color);
  margin-bottom: 0.5rem;
}

.price {
  font-weight: bold;
  margin-bottom: 1rem;
}

.card-action-btn {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--primary-color);
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  transition: background-color 0.3s ease;
}

.card-action-btn:hover {
  background-color: #e55a2b;
}

footer {
  background-color: var(--chrome-bg);
  color: var(--chrome-text);
  padding: 2rem;
  text-align: center;
  margin-top: auto;
  border-top: 1px solid var(--chrome-border);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.contact-link {
  color: var(--accent-color);
  text-decoration: none;
  margin-left: 1rem;
}

.contact-link:hover {
  text-decoration: underline;
}

button.footer-cookie-btn {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font: inherit;
}

/* ── Admin forms ─────────────────────────────────────── */

.admin-page-top {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 2rem 1rem;
}

.admin-page-layout {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 2rem 1rem;
  flex-wrap: wrap;
}

.admin-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  flex: 1;
  min-width: 260px;
  max-width: 420px;
}

.admin-panel {
  display: flex;
  flex-direction: column;
  background-color: var(--chrome-elevated);
  border: 1px solid var(--chrome-border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 2rem;
  width: min(100%, 560px);
}

.admin-panel h2 {
  margin-bottom: 1.5rem;
  text-align: center;
}

.admin-chance-list {
  display: grid;
  gap: 0.65rem;
  margin-top: 0.75rem;
}

.admin-chance-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--chrome-border);
  border-radius: 12px;
  background-color: var(--bg-light);
}

.admin-chance-divider {
  margin: 1rem 0 0.5rem;
  border-color: var(--chrome-border);
}

.admin-chance-total {
  font-weight: 700;
}

.admin-response-message {
  text-align: center;
  font-weight: 700;
  margin: 0.5rem 1rem 1rem;
}

.admin-response-success {
  color: #1b8f3a;
}

.admin-response-error {
  color: #c62828;
}

/* ── Slab Options Page ──────────────────────────────── */
.slab-options-layout {
  display: grid;
  gap: 1rem;
}

.slab-tier-strip {
  display: flex;
  gap: 0.85rem;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.5rem;
  border: 1px solid var(--chrome-border);
  border-radius: 16px;
  background: var(--chrome-elevated);
  box-shadow: var(--shadow);
}

.slab-tier-card {
  flex: 1 1 auto;
  min-width: 140px;
  border: 1px solid var(--chrome-border);
  border-radius: 14px;
  background: var(--bg-light);
  padding: 0.55rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.slab-tier-card:hover {
  transform: translateY(-2px);
}

.slab-tier-card.active {
  border-color: var(--accent-color);
}

.slab-tier-image {
  width: 100%;
  height: 275px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--chrome-border);
  margin-bottom: 0.45rem;
}

.slab-tier-name {
  font-size: 0.9rem;
  font-weight: 700;
  margin: 0;
  color: var(--text-light);
}

body.dark-theme .slab-tier-name {
  color: #ffffff;
}

.slab-tier-data {
  border: 1px solid var(--chrome-border);
  border-radius: 16px;
  background: var(--chrome-elevated);
  box-shadow: var(--shadow);
  padding: 1rem;
  display: grid;
  gap: 0.85rem;
}

.slab-data-top-row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(200px, 1fr) auto;
  gap: 0.75rem;
  align-items: stretch;
}

.slab-meta-item {
  border: 1px solid var(--chrome-border);
  border-radius: 12px;
  background: var(--bg-light);
  padding: 0.75rem;
}

.slab-meta-item span {
  display: block;
  font-size: 0.8rem;
  opacity: 0.8;
  margin-bottom: 0.2rem;
}

.slab-meta-item strong {
  font-size: 1rem;
}

.slab-chances {
  display: grid;
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  gap: 0.55rem;
}

.slab-chance-row {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  border: 1px solid var(--chrome-border);
  border-radius: 10px;
  padding: 0.5rem 0.65rem;
  background: var(--bg-light);
  gap: 0.2rem;
}

.slab-action-menu {
  display: flex;
  align-items: stretch;
}

.slab-action-btn {
  border: 1px solid var(--chrome-border);
  border-radius: 10px;
  padding: 0.6rem 0.9rem;
  font-weight: 700;
  text-decoration: none;
  color: inherit;
  background: var(--bg-light);
}

.slab-action-btn-primary {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.slab-action-panel {
  border: 1px solid var(--chrome-border);
  border-radius: 12px;
  background: var(--bg-light);
  padding: 0.75rem;
  display: grid;
  align-content: center;
  min-width: 170px;
}

.slab-action-panel span {
  display: block;
  font-size: 0.8rem;
  opacity: 0.8;
  margin-bottom: 0.45rem;
}

@media (max-width: 700px) {
  .slab-data-top-row {
    grid-template-columns: 1fr;
  }

  .slab-chances {
    grid-template-columns: 1fr;
  }
}

.admin-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.admin-form section {
  display: grid;
  gap: 0.4rem;
}

.admin-label {
  font-weight: 600;
  font-size: 0.9rem;
}

.admin-label-sm {
  font-size: 0.82rem;
}

.admin-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--chrome-border);
  border-radius: 14px;
  background-color: var(--bg-light);
  color: var(--text-light);
  font-size: 0.95rem;
  box-sizing: border-box;
}

.admin-input:focus {
  outline: 2px solid color-mix(in srgb, var(--accent-color) 60%, white 40%);
  outline-offset: 1px;
}

.admin-textarea {
  resize: vertical;
  min-height: 80px;
  border-radius: 14px;
}

.admin-weights-group {
  display: grid;
  gap: 0.6rem;
}

.edit-tier-details-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.edit-tier-main-fields {
  display: grid;
  gap: 1rem;
}

.slab-edit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.admin-weight-max-grid {
  display: grid;
  grid-template-columns: 0.8fr 1fr 1fr;
  gap: 0.55rem;
  align-items: center;
}

.admin-weight-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.admin-weight-column {
  display: grid;
  gap: 0.75rem;
  align-content: start;
}

.admin-weight-max-head {
  font-weight: 700;
  font-size: 0.85rem;
}

.admin-weights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
}

.admin-form > button[type="submit"],
.admin-form div button[type="submit"],
.admin-form > button[type="button"],
.admin-form div button[type="button"] {
  background-color: var(--accent-color);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 0.85rem 1rem;
  cursor: pointer;
  font-weight: 600;
  margin-top: 0.5rem;
  width: 100%;
}

.admin-form > button[type="submit"]:hover,
.admin-form div button[type="submit"]:hover,
.admin-form > button[type="button"]:hover,
.admin-form div button[type="button"]:hover {
  background-color: #1558b0;
}

@media (max-width: 768px) {
  .app-shell {
    flex-direction: column;
  }

  .header-content {
    justify-content: space-between;
    flex-direction: row;
  }

  .mobile-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .sidebar-overlay {
    position: fixed;
    inset: 0;
    border: 0;
    background-color: rgba(0, 0, 0, 0.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    z-index: 19;
  }

  .admin-weight-columns {
    grid-template-columns: 1fr;
  }

  .sidebar-menu {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(82vw, 320px);
    padding: 1rem;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    z-index: 20;
    overflow-y: auto;
  }

  body.sidebar-open .sidebar-menu {
    transform: translateX(0);
  }

  body.sidebar-open .sidebar-overlay {
    display: block;
    opacity: 1;
    pointer-events: auto;
  }

  body.sidebar-open {
    overflow: hidden;
  }

  .menu {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
  }

  .menu-vertical {
    align-items: stretch;
    flex-wrap: nowrap;
  }

  .sidebar-theme-toggle {
    align-self: center;
  }

  .cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
  }

  .section-hero {
    padding: 1.5rem;
  }

  .user-info-bar {
    flex-direction: column;
    gap: 0.5rem;
  }

  .auth-page {
    min-height: auto;
  }

  .auth-forms {
    gap: 1rem;
  }

  .auth-divider {
    display: none;
  }

  .auth-panel {
    width: 100%;
    padding: 1.5rem;
  }

  .edit-tier-details-grid {
    grid-template-columns: 1fr;
  }

  .slab-edit-grid {
    grid-template-columns: 1fr;
  }

  .admin-weight-max-grid {
    grid-template-columns: 1fr;
  }
}