/* =================================== CSS VARIABLES (fallback chỉ dùng khi chưa apply theme) =================================== */ :root { --font-main: 'Segoe UI', sans-serif; --bg-color: #fff; --text-color: #000; --accent: #33e1b4; --header-color: #333; --tab-bg: #ddd; --tab-color: #333; --tab-active-bg: #33e1b4; --tab-active-color: #fff; --input-bg: #fff; --input-color: #000; --card-bg: #fff; --card-color: #000; --card-shadow: rgba(0,0,0,0.1); --subtitle-color: #555; --button-bg: #eee; --button-color: #333; --button-border: #ccc; --hover-bg: #33e1b4; --hover-color: #fff; --to-top-shadow: rgba(0,0,0,0.2); }

{ box-sizing: border-box; transition: background-color 0.3s, color 0.3s, border-color 0.3s; }


body { background-color: var(--bg-color); color: var(--text-color); font-family: var(--font-main); margin: 0; padding: 0; }

header { text-align: center; padding: 20px 10px 0; }

header h1 { font-size: 2em; color: var(--header-color); }

.tabs { display: flex; justify-content: center; gap: 10px; margin: 15px 0; }

.tabs button { padding: 10px 20px; border-radius: 12px; border: 1px solid transparent; cursor: pointer; font-weight: bold; background-color: var(--tab-bg); color: var(--tab-color); }

.tabs button.active { background-color: var(--tab-active-bg); color: var(--tab-active-color); }

.search-box, .sort-box { text-align: center; margin: 10px 0; }

.search-box input { padding: 10px; width: 80%; max-width: 400px; border-radius: 8px; border: none; background-color: var(--input-bg); color: var(--input-color); }

.sort-box button { padding: 8px 14px; background-color: var(--button-bg); color: var(--button-color); border: 1px solid var(--button-border); border-radius: 6px; cursor: pointer; }

.sort-box button:hover { background-color: var(--hover-bg); color: var(--hover-color); }

.anime-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; padding: 20px; }

.anime-card {
  background-color: var(--card-bg);
  border-radius: 16px;
  padding: 10px;
  text-align: center;
  text-decoration: none;
  color: var(--card-color);
  box-shadow: 0 0 10px var(--card-shadow);
  transition: transform 0.3s, background-color 0.3s;
  
  height: 240px;        /* 🔹 cố định chiều cao */
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.anime-cover {
  width: 100%;
  height: 180px;         /* 🔹 cố định chiều cao ảnh */
  object-fit: cover;     /* 🔹 không làm méo ảnh, tự crop */
  border-radius: 12px;
}

.anime-title { font-size: 1.1em; margin-top: 10px; font-weight: bold; }

.anime-subtitle { font-size: 0.9em; color: var(--subtitle-color); }

#toTopBtn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 99;
  font-size: 18px;
  background-color: var(--button-bg);
  color: var(--button-color);
  border: 1px solid var(--button-border);
  border-radius: 10px;
  cursor: pointer;
  padding: 10px 14px;
  display: none;
  box-shadow: 0 0 8px var(--to-top-shadow);
  user-select: none;
  -webkit-tap-highlight-color: transparent; /* chặn highlight màu xám khi tap */
  transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

#toTopBtn:active,
#toTopBtn:focus,
#toTopBtn:focus-visible {
  background-color: var(--button-bg) !important;
  color: var(--button-color) !important;
  border-color: var(--button-border) !important;
  outline: none !important;
  box-shadow: 0 0 8px var(--to-top-shadow) !important;
}

#toTopBtn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: transparent;
  pointer-events: none;
}

#themeToggle { position: fixed; top: 16px; right: 16px; z-index: 9999; background-color: var(--button-bg); color: var(--button-color); border: none; padding: 8px 12px; border-radius: 999px; font-weight: bold; font-size: 14px; cursor: pointer; box-shadow: 0 0 6px rgba(0, 0, 0, 0.4); }

#themeToggle:hover { background-color: var(--hover-bg); color: var(--hover-color); }

/* Force color reset for themed buttons on theme change */ .themed-button { background-color: var(--button-bg); color: var(--button-color); border: 1px solid var(--button-border); transition: background-color 0.3s, color 0.3s, border-color 0.3s; }

.themed-button:hover { background-color: var(--hover-bg); color: var(--hover-color); }

.theme-controls {
  position: fixed;
  top: 10px;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 9999;
  transition: opacity .2s ease;
}

.theme-controls.hidden {           /* ẩn khi cuộn xuống */
  opacity: 0;
  pointer-events: none;
}

.theme-controls {
  position: fixed;
  top: 10px;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 9999;
}

.theme-controls select,
.theme-controls button {
  all: unset;
  pointer-events: auto;
  box-sizing: border-box;
  
  padding: 8px 8px;
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: bold;
  line-height: 1;

  border-radius: 999px;
  background-color: var(--button-bg);
  color: var(--button-color);
  border: 1px solid var(--button-border) !important;
  box-shadow: 0 0 6px var(--to-top-shadow);
  transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

.theme-controls select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}

.theme-controls select:hover,
.theme-controls button:hover {
  background-color: var(--hover-bg);
  color: var(--hover-color);
}
#sortBtn.active {
  background-color: var(--hover-bg);
  color: var(--hover-color);
  border-color: var(--hover-bg);
}
#themeToggle img {
  width: 24px;
  height: 24px;
  color: var(--button-color);
  transition: color 0.3s ease;
}

#themeToggle:hover img {
  color: var(--hover-color);
}
/* ==== ICON BUTTON (theme toggle, dùng chung được) ==== */
.icon-button {
  width: 20px;
  height: 20px;
  padding: 8px;
  border-radius: 999px;

  display: flex;
  align-items: center;
  justify-content: center;

  background-color: var(--button-bg);
  color: var(--button-color);
  border: 1px solid var(--button-border);
  box-shadow: 0 0 6px var(--to-top-shadow);

  cursor: pointer;
  transition: background-color 0.3s, color 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.icon-button:hover {
  background-color: var(--hover-bg);
  color: var(--hover-color);
}

.icon-button img {
  width: 20px;
  height: 20px;
  display: block;
  pointer-events: none;
  filter: grayscale(10%) brightness(90%);
}

.anime-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); 
  gap: 20px;
  padding: 20px;
}

.anime-card {
  max-width: 240px;     
  margin: auto;         
}

.anime-cover {
  width: 100%;
  height: 180px;
  object-fit: cover;    
  border-radius: 12px;
}