/* ===== BASE ===== */
* {
  box-sizing: border-box;
}
body {
  font-family: 'Segoe UI', Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #2e3440;
  color: #d8dee9;
}
/* ===== HEADER ===== */
header {
  background: #3b4252;
  padding: 1rem 1.5rem;
  text-align: center;
  border-bottom: 2px solid #4c566a;
}
header h1 {
  margin: 0 0 0.3rem 0;
  font-size: 1.5rem;
  color: #eceff4;
}
nav {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}
nav a {
  color: #d8dee9;
  text-decoration: none;
  font-weight: bold;
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  transition: background 0.2s;
}
nav a:hover {
  background: #434c5e;
}
/* ===== INDEX PAGE ===== */
.index-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 3rem 1rem;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  width: 100%;
  max-width: 600px;
}
.card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  color: #d8dee9;
  background: #3b4252;
  border: 1px solid #4c566a;
  transition: background 0.2s;
}
.card:hover {
  background: #434c5e;
}
.card img {
  width: 100%;
  max-width: 200px;
  height: auto;
  border-radius: 4px;
  margin-bottom: 1rem;
}
.card h2 {
  margin: 0;
  font-size: 1.2rem;
  color: #eceff4;
}
/* ===== SHARED LAYOUT ===== */
.container {
  max-width: 1200px;
  margin: auto;
  padding: 1rem;
}
/* ===== SEARCH & SORT BAR ===== */
.search-sort {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.search-sort input,
.search-sort select {
  padding: 0.5rem;
  font-size: 1rem;
  background: #3b4252;
  color: #d8dee9;
  border: 1px solid #4c566a;
  border-radius: 4px;
}
.search-sort input::placeholder {
  color: #4c566a;
}
.search-sort input:focus,
.search-sort select:focus {
  outline: none;
  border-color: #d8dee9;
}
/* ===== GALLERY GRID ===== */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}
/* ===== GALLERY ITEMS ===== */
.item {
  background: #3b4252;
  border: 1px solid #4c566a;
  border-radius: 8px;
  overflow: hidden;
  text-align: center;
  cursor: pointer;
  transition: background 0.2s;
}
.item:hover {
  background: #434c5e;
}
.item img {
  width: 100%;
  height: auto;
  display: block;
}
.item .name {
  padding: 0.5rem;
  font-size: 0.9rem;
  word-break: break-all;
}
/* ===== PROMPT BAR ===== */
.prompt {
  background: #3b4252;
  border-left: 3px solid #4c566a;
  padding: 0.5rem 1rem;
  margin-bottom: 1rem;
  font-style: italic;
  overflow: auto;
}
/* ===== TOAST POPUP ===== */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(1rem);
  background: #3b4252;
  color: #d8dee9;
  padding: 0.7rem 1.5rem;
  border-radius: 6px;
  border: 1px solid #4c566a;
  font-size: 0.9rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}