/* Matrix Element-inspired theme */
@keyframes wave {

    0%,
    to {
        transform: rotate(-5deg)
    }

    50% {
        transform: rotate(5deg)
    }
}

:root {
  --element-bg: #181b21;
  --element-bg-light: #23262e;
  --element-accent: #0dbd8b;
  --element-accent-hover: #13e8a9;
  --element-border: #23262e;
  --element-border-light: #2e323c;
  --element-text: #e5e5e5;
  --element-text-light: #b2b2b2;
  --element-card-bg: #23262e;
  --element-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
  --element-radius: 10px;
  --element-input-bg: #23262e;
  --element-input-border: #2e323c;
  --element-input-focus: #0dbd8b;
  --element-tab-bg: #23262e;
  --element-tab-active-bg: #181b21;
  --element-tab-border: #2e323c;
  --element-menu-bg: #23262e;
  --element-menu-active-bg: #0dbd8b;
  --element-menu-active-fg: #fff;
}

body {
  background: linear-gradient(135deg, #181b21 0%, #23262e 100%);
  color: var(--element-text);
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

header {
  background: var(--element-bg);
  padding: 24px 0 12px 0;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

main {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  padding: 0 8px 80px 8px;
}

.tab-container {
  display: flex;
  justify-content: center;
  background: var(--element-tab-bg);
  border-radius: var(--element-radius);
  margin: 16px 0 8px 0;
  box-shadow: var(--element-shadow);
  overflow: hidden;
}

.tab {
  padding: 10px 22px;
  cursor: pointer;
  background: var(--element-tab-bg);
  color: var(--element-text-light);
  border: none;
  outline: none;
  font-size: 1rem;
  font-weight: 500;
  transition: background 0.2s, color 0.2s;
  border-right: 1px solid var(--element-tab-border);
  user-select: none;
}

.tab:last-child {
  border-right: none;
}

.tab.active {
  background: var(--element-tab-active-bg);
  color: var(--element-accent);
  font-weight: 600;
}

.search-container {
  width: 100%;
  max-width: 480px;
  margin: 0 auto 12px auto;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.search-container input[type="text"] {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  padding: 12px 16px;
  border-radius: var(--element-radius);
  border: 1.5px solid var(--element-input-border);
  background: var(--element-input-bg);
  color: var(--element-text);
  font-size: 1.1rem;
  margin-bottom: 8px;
  outline: none;
  transition: border 0.2s;
}

.search-container input[type="text"]:focus {
  border-color: var(--element-input-focus);
}

.pack-list {
  margin-top: 0;
  width: 100%;
}

.sticker-list {
  display: grid;
  grid-template-columns: repeat(var(--grid-columns, 2), 1fr);
  gap: 14px;
  width: 100%;
  margin-top: 0;
}

.sticker {
  background: var(--element-card-bg);
  border-radius: var(--element-radius);
  box-shadow: var(--element-shadow);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.12s;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.sticker:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 4px 16px rgba(13, 189, 139, 0.18);
}

.sticker img {
  width: 100%;
  height: auto;
  display: block;
  background: #111;
  border-radius: var(--element-radius) var(--element-radius) 0 0;
}

.use-count {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(13, 189, 139, 0.85);
  color: #fff;
  padding: 2px 10px;
  font-size: 0.85em;
  border-radius: 12px;
  font-weight: 500;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
}

.error {
  color: #ff4b4b;
  font-size: 1em;
  margin: 8px 0;
  text-align: center;
}

.bottom-bar {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  max-width: 100vw;
  background: var(--element-bg-light);
  box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.18);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 100;
  height: 56px;
  border-radius: 16px 16px 0 0;
  opacity: 0.98;
  transition: opacity 0.3s;
  box-sizing: border-box;
  overflow-x: auto;
}

.settings-container {
  position: static; /* Changed from relative to static */
  display: flex;
  align-items: center;
}

#settingsBtn {
  background: none;
  border: none;
  color: var(--element-accent);
  font-size: 1.5em;
  cursor: pointer;
  margin-right: 8px;
  transition: color 0.2s;
}

#settingsBtn:hover {
  color: var(--element-accent-hover);
}

.settings-menu {
  position: fixed; /* Changed from absolute to fixed */
  left: 16px;
  bottom: 72px; /* Place above the bottom bar */
  background: var(--element-menu-bg);
  border-radius: var(--element-radius);
  box-shadow: var(--element-shadow);
  padding: 14px 18px;
  min-width: 180px;
  flex-direction: column;
  gap: 10px;
  z-index: 1001;
  border: 1px solid var(--element-border-light);
  display: flex;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s;
}

/* Remove hover/focus-within trigger for settings menu */
/*
.settings-container:hover .settings-menu,
.settings-container:focus-within .settings-menu {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  display: flex;
}
*/

/* Show settings menu when .settings-container has .open class */
.settings-container.open .settings-menu {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  display: flex;
}

.settings-menu label {
  color: var(--element-text-light);
  font-size: 1em;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}

.settings-menu input[type="checkbox"] {
  accent-color: var(--element-accent);
  width: 1.1em;
  height: 1.1em;
}

#scrollToTopBtn {
  background: var(--element-accent);
  color: #fff;
  border: none;
  border-radius: var(--element-radius);
  padding: 8px 18px;
  font-size: 1em;
  font-weight: 500;
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.10);
  transition: background 0.2s;
}

#scrollToTopBtn:hover {
  background: var(--element-accent-hover);
}

.context-menu,
.size-menu {
  background: var(--element-menu-bg);
  border: 1px solid var(--element-border-light);
  border-radius: var(--element-radius);
  box-shadow: var(--element-shadow);
  color: var(--element-text);
  min-width: 180px;
  font-size: 1em;
  display: none;
  position: fixed;
  z-index: 1000;
}

.context-menu-item {
  padding: 10px 18px;
  cursor: pointer;
  transition: background 0.18s, color 0.18s;
  color: var(--element-text);
  border-radius: 6px;
  margin: 2px 0;
}

.context-menu-item:hover {
  background: var(--element-menu-active-bg);
  color: var(--element-menu-active-fg);
}

.size-menu .size-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding: 8px 0;
}

.size-grid .context-menu-item {
  padding: 6px 0;
  text-align: center;
  font-size: 0.95em;
  border-radius: 6px;
}

@media (max-width: 600px) {
  main {
    max-width: 100vw;
    padding: 0 2vw 80px 2vw;
  }

  .tab-container {
    flex-wrap: wrap;
  }

  .sticker-list {
    grid-template-columns: repeat(var(--grid-columns, 1), 1fr);
    gap: 10px;
  }

  .bottom-bar {
    padding: 0 8px;
    height: 48px;
  }

  .settings-menu {
    min-width: 140px;
    padding: 10px 8px;
  }
}