/* Importing Google Fonts - Poppins */
@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

:root {
  /* Light theme colors */
  --color-text-primary: #1f2936;
  --color-text-placeholder: #798eae;
  --color-bg-primary: #f9fafb;
  --color-bg-secondary: #ececfd;
  --color-bg-sidebar: #ffffff;
  --color-border-hr: #e2e8f0;
  --color-hover-primary: #695cfe;
  --color-hover-secondary: #e2e2fb;
  --color-shadow: rgba(0, 0, 0, 0.05);
}

body.dark-theme {
  /* Dark theme colors */
  --color-text-primary: #f1f5f9;
  --color-text-placeholder: #a6b7d2;
  --color-bg-primary: #111827;
  --color-bg-secondary: #3d4859;
  --color-bg-sidebar: #1f2937;
  --color-border-hr: #3b475c;
  --color-hover-secondary: #48566a;
  --color-shadow: rgba(0, 0, 0, 0.3);
}

body {
  min-height: 100vh;
  background: var(--color-bg-primary);
}

.sidebar {
  position: sticky;
  top: 0;
  width: 270px;
  height: 100vh;
  display: flex;
  flex-shrink: 0;
  flex-direction: column;
  background: var(--color-bg-sidebar);
  border-right: 1px solid var(--color-border-hr);
  box-shadow: 0 3px 9px var(--color-shadow);
  transition: width 0.4s ease;
}

.sidebar.collapsed {
  width: 90px;
}

.sidebar .sidebar-header {
  padding: 20px 18px;
  display: flex;
  position: relative;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border-hr);
}

.sidebar-header .header-logo {
  width: 46px;
  height: 46px;
  display: block;
  object-fit: contain;
  border-radius: 50%;
  transition: opacity 0.4s ease;
}

.sidebar.collapsed .header-logo {
  opacity: 0;
  pointer-events: none;
}

.site-nav .sidebar-toggle,
.sidebar-header .sidebar-toggle {
  height: 40px;
  width: 40px;
  border: none;
  cursor: pointer;
  display: flex;
  position: absolute;
  right: 18px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: var(--color-text-primary);
  background: var(--color-bg-secondary);
  transition: 0.4s ease;
}

.site-nav .sidebar-toggle:hover,
.sidebar-header .sidebar-toggle:hover {
  background: var(--color-hover-secondary);
}

.sidebar.collapsed .sidebar-header .sidebar-toggle {
  transform: translateX(-2px);
  height: 48px;
  width: 50px;
}

.sidebar-header .sidebar-toggle span {
  font-size: 1.75rem;
  transition: transform 0.4s ease;
}

.sidebar.collapsed .sidebar-toggle span {
  transform: rotate(180deg);
}

.sidebar .sidebar-content {
  flex: 1;
  padding: 20px 18px;
  overflow: hidden auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-text-placeholder) transparent;
}

.sidebar.collapsed .sidebar-content {
  scrollbar-width: none;
}

.sidebar-content .search-form {
  border-radius: 8px;
  min-height: 48px;
  margin: 5px 0 20px;
  align-items: center;
  display: flex;
  padding: 0 15px;
  white-space: nowrap;
  background: var(--color-bg-secondary);
  transition: 0.4s ease;
}

.sidebar.collapsed .search-form:hover {
  cursor: pointer;
}

.sidebar-content .search-form:focus-within,
.sidebar.collapsed .search-form:hover {
  background: var(--color-hover-secondary);
}

.sidebar-content .search-form span {
  color: var(--color-text-placeholder);
}

.search-form input {
  background: none;
  outline: none;
  border: none;
  width: 100%;
  margin-left: 15px;
  font-size: 1rem;
  color: var(--color-text-primary);
}

.search-form input::placeholder {
  color: var(--color-text-placeholder);
}

.sidebar-content .menu-list {
  display: flex;
  gap: 4px;
  list-style: none;
  flex-direction: column;
}

.menu-list .menu-link {
  display: flex;
  gap: 12px;
  white-space: nowrap;
  border-radius: 8px;
  padding: 12px 15px;
  align-items: center;
  text-decoration: none;
  color: var(--color-text-primary);
  transition: 0.3s ease;
}

.menu-link .menu-label {
  transition: opacity 0.3s ease;
}

.sidebar.collapsed .menu-link .menu-label {
  opacity: 0;
  pointer-events: none;
}

.menu-list .menu-link:is(:hover, .active) {
  color: #fff;
  background: var(--color-hover-primary);
}

.sidebar .sidebar-footer {
  padding: 20px 18px;
  white-space: nowrap;
  border-top: 1px solid var(--color-border-hr);
}

.sidebar-footer .theme-toggle {
  width: 100%;
  min-height: 48px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  cursor: pointer;
  border: none;
  padding: 0 15px;
  white-space: nowrap;
  color: var(--color-text-primary);
  background: var(--color-bg-secondary);
  transition: 0.3s ease;
}

.sidebar-footer .theme-toggle:hover {
  background: var(--color-hover-secondary);
}

.theme-toggle .theme-label {
  display: flex;
  gap: 10px;
  align-items: center;
}

.theme-toggle .theme-label .theme-text {
  font-size: 1rem;
  transition: opacity 0.4s 0.2s ease;
}

.sidebar.collapsed .theme-toggle :where(.theme-text, .theme-toggle-track) {
  opacity: 0;
  width: 0;
  transition: all 0.2s ease;
}

.theme-toggle .theme-toggle-track {
  height: 24px;
  width: 48px;
  border-radius: 999px;
  margin-left: auto;
  background: #c3d1ec;
  position: relative;
  transition: opacity 0.4s 0.2s ease, background-color 0.3s ease;
}

body.dark-theme .theme-toggle-track {
  background: #695cfe;
}

.theme-toggle-track .theme-toggle-indicator {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: #fff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

body.dark-theme .theme-toggle-indicator {
  transform: translateX(24px);
}

.site-nav {
  top: 0;
  display: none;
  padding: 15px 20px;
  position: sticky;
  background: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border-hr);
}

.site-nav .sidebar-toggle {
  position: unset;
}

.container {
  display: flex;
}

.container .main-content {
  flex: 1;
  padding: 30px;
  color: var(--color-text-primary);
}

.main-content .page-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.main-content .card {
  border-radius: 8px;
  padding: 20px;
  background-color: var(--color-bg-sidebar);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  text-align: left; /* Thêm dòng này để căn trái */
}

/* Swiper navigation arrows - tăng kích thước và vùng bấm, đặt tuyệt đối */
.swiper-button-prev,
.swiper-button-next {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(105, 92, 254, 0.12);
  color: #695cfe;
  font-size: 2.2rem;
  box-shadow: 0 2px 8px rgba(105, 92, 254, 0.08);
  transition: background 0.2s, color 0.2s;
  top: 50%;
  transform: translateY(-50%);
  position: absolute; /* Đảm bảo nút nằm tuyệt đối trong card-wrapper */
  z-index: 2;
}

.swiper-button-prev:hover,
.swiper-button-next:hover {
  background: #695cfe;
  color: #fff;
}

.swiper-button-prev {
  left: -70px; /* Đẩy nút sang trái xa hơn */
}

.swiper-button-next {
  right: -70px; /* Đẩy nút sang phải xa hơn */
}

.card-wrapper {
  overflow: hidden;
  max-width: 700px;
  margin: 0 auto;
  position: relative; /* Thêm dòng này */
}

.card-list .card-item {
  list-style: none;
}

.card-list .card-item .card-link {
  display: block;
  background: linear-gradient(#bfe7ee, #1396e8);
  padding: 18px;
  user-select: none;
  border-radius: 12px;
  text-decoration: none;
  border: 2px solid transparent;
  box-shadow: 0 10px 10px rgba(19, 7, 113, 0.05);
  transition: 0.2s ease;
}

.card-list .card-item .card-link:active {
  cursor: grabbing;
}

.card-list .card-item .card-link:hover {
  border-color: #5372f0;
}

.card-list .card-link .card-image {
  width: 100%;
  border-radius: 10px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.card-list .card-link .badge {
  color: #5372f0;
  width: fit-content;
  padding: 8px 16px;
  font-size: 0.95rem;
  border-radius: 50px;
  font-weight: 500;
  background: #dde4ff;
  margin: 16px 0 18px;
}

.card-list .card-link .badge-designer {
  color: #b22485;
  background: #f7dff5;
}

.card-list .card-link .badge-marketer {
  color: #b25a2b;
  background: #ffe3d2;
}

.card-list .card-link .badge-gamer {
  color: #205c20;
  background: #d6f8d6;
}

.card-list .card-link .badge-editor {
  color: #856404;
  background: #fff3cd;
}

.card-list .card-link .card-title {
  color: #000;
  font-size: 1.19rem;
  font-weight: 600;
}

.card-list .card-link .card-button {
  height: 35px;
  width: 35px;
  color: #5372f0;
  margin: 30px 0 5px;
  background: none;
  cursor: pointer;
  border-radius: 50%;
  border: 2px solid #5372f0;
  transform: rotate(-45deg);
  transition: 0.4s ease;
}

.card-list .card-link:hover .card-button {
  color: #fff;
  background: #5372f0;
}

.card-wrapper .swiper-pagination-bullet {
  height: 13px;
  width: 13px;
  opacity: 0.5;
  background: #5372f0;
}

.card-wrapper .swiper-pagination-bullet-active {
  opacity: 1;
}

.card-wrapper .swiper-slide-button {
  color: #5372f0;
  margin-top: -35px;
}

/* Responsive media query code for small screens */
@media (max-width: 768px) {
  body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 10;
    opacity: 0;
    pointer-events: none;
    background: rgba(0, 0, 0, 0.6);
    transition: 0.4s ease;
  }

  body:has(.sidebar:not(.collapsed))::before {
    opacity: 1;
    pointer-events: auto;
  }

  body:has(.sidebar:not(.collapsed)) {
    overflow: hidden;
  }

  .site-nav {
    display: block;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    z-index: 20;
    width: 270px;
    transition: left 0.4s ease;
  }

  .sidebar.collapsed {
    left: -270px;
    width: 270px;
  }

  .container .main-content {
    padding: 30px 20px;
  }
}

@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500&display=swap");
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}
.main {
  width: 100%;
  height: 100vh;
  padding-top: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: url(images/back.jpg);
  background-position: center;
  background-size: cover;
  background: linear-gradient(#eceffe, #1396e8);
  border: 1px solid #386ce740;
  border-radius: 25px;
  padding: 30px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
}
.profile-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 400px;
  width: 100%;
  border-radius: 25px;
  padding: 30px;
  border: 1px solid #ffffff40;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
  background: linear-gradient(#8ed4eb);
  width: 100%;
  max-width: 450px;
  margin: 0 auto;
  margin-top: 20px;
  margin-bottom: 20px;
}
.image {
  position: relative;
  height: 150px;
  width: 150px;
}
.image .profile-pic {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
}
.data {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 15px;
}
.data h2 {
  font-size: 33px;
  font-weight: 600;
}
span {
  font-size: 18px;
}
.row {
  display: flex;
  align-items: center;
  margin-top: 30px;
}
.row .info {
  text-align: center;
  padding: 0 20px;
}
.buttons {
  display: flex;
  align-items: center;
  margin-top: 30px;
}
.buttons .btn {
  color: #fff;
  text-decoration: none;
  margin: 0 20px;
  padding: 8px 25px;
  border-radius: 25px;
  font-size: 18px;
  white-space: nowrap;
  background: linear-gradient(to left, #33ccff 0%, #ff99cc 100%);
}
.buttons .btn:hover {
  box-shadow: inset 0 5px 20px rgba(0, 0, 0, 0.4);
}

/* Importing Google fonts - Inter */
@import url("https://fonts.googleapis.com/css2?family=Inter:opsz,wght@14..32,100..900&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", sans-serif;
}

.card-wrapper {
  overflow: hidden;
  max-width: 700px;
  margin: 0 auto;
  position: relative; /* Thêm dòng này */
}

.card-list .card-item {
  list-style: none;
}

.card-list .card-item .card-link {
  display: block;
  background: linear-gradient(#bfe7ee, #1396e8);
  padding: 18px;
  user-select: none;
  border-radius: 12px;
  text-decoration: none;
  border: 2px solid transparent;
  box-shadow: 0 10px 10px rgba(19, 7, 113, 0.05);
  transition: 0.2s ease;
}

.card-list .card-item .card-link:active {
  cursor: grabbing;
}

.card-list .card-item .card-link:hover {
  border-color: #5372f0;
}

.card-list .card-link .card-image {
  width: 100%;
  border-radius: 10px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.card-list .card-link .badge {
  color: #5372f0;
  width: fit-content;
  padding: 8px 16px;
  font-size: 0.95rem;
  border-radius: 50px;
  font-weight: 500;
  background: #dde4ff;
  margin: 16px 0 18px;
}

.card-list .card-link .badge-designer {
  color: #b22485;
  background: #f7dff5;
}

.card-list .card-link .badge-marketer {
  color: #b25a2b;
  background: #ffe3d2;
}

.card-list .card-link .badge-gamer {
  color: #205c20;
  background: #d6f8d6;
}

.card-list .card-link .badge-editor {
  color: #856404;
  background: #fff3cd;
}

.card-list .card-link .card-title {
  color: #000;
  font-size: 1.19rem;
  font-weight: 600;
}

.card-list .card-link .card-button {
  height: 35px;
  width: 35px;
  color: #5372f0;
  margin: 30px 0 5px;
  background: none;
  cursor: pointer;
  border-radius: 50%;
  border: 2px solid #5372f0;
  transform: rotate(-45deg);
  transition: 0.4s ease;
}

.card-list .card-link:hover .card-button {
  color: #fff;
  background: #5372f0;
}

.card-wrapper .swiper-pagination-bullet {
  height: 13px;
  width: 13px;
  opacity: 0.5;
  background: #5372f0;
}

.card-wrapper .swiper-pagination-bullet-active {
  opacity: 1;
}

.card-wrapper .swiper-slide-button {
  color: #5372f0;
  margin-top: -35px;
}

/* Responsive media query code for small screens */
@media (max-width: 768px) {
  body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 10;
    opacity: 0;
    pointer-events: none;
    background: rgba(0, 0, 0, 0.6);
    transition: 0.4s ease;
  }

  body:has(.sidebar:not(.collapsed))::before {
    opacity: 1;
    pointer-events: auto;
  }

  body:has(.sidebar:not(.collapsed)) {
    overflow: hidden;
  }

  .site-nav {
    display: block;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    z-index: 20;
    width: 270px;
    transition: left 0.4s ease;
  }

  .sidebar.collapsed {
    left: -270px;
    width: 270px;
  }

  .container .main-content {
    padding: 30px 20px;
  }
}

.hidden {
  display: none;
}

/*minigame*/
/* Import Google Font - Poppins */
@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap");
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}
.wrappergame {
  padding: 20px;
  border-radius: 10px;
  background: #cf1d1d;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 450px;
  margin: 0 auto;
  margin-bottom: 50px;
  margin-top: 50px;
}
.cards,
.card,
.view {
  display: flex;
  align-items: center;
  justify-content: center;
}
.cards {
  height: 400px;
  width: 400px;
  flex-wrap: wrap;
  justify-content: space-between;
}
.cards .card {
  cursor: pointer;
  list-style: none;
  user-select: none;
  position: relative;
  perspective: 1000px;
  transform-style: preserve-3d;
  height: calc(100% / 4 - 10px);
  width: calc(100% / 4 - 10px);
}
.card.shake {
  animation: shake 0.35s ease-in-out;
}
@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  20% {
    transform: translateX(-13px);
  }
  40% {
    transform: translateX(13px);
  }
  60% {
    transform: translateX(-8px);
  }
  80% {
    transform: translateX(8px);
  }
}
.card .view {
  width: 100%;
  height: 100%;
  position: absolute;
  border-radius: 7px;
  background: #fff;
  pointer-events: none;
  backface-visibility: hidden;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
  transition: transform 0.25s linear;
}
.card .front-view img {
  width: 19px;
}
.card .back-view img {
  max-width: 45px;
}
.card .back-view {
  transform: rotateY(-180deg);
}
.card.flip .back-view {
  transform: rotateY(0);
}
.card.flip .front-view {
  transform: rotateY(180deg);
}

@media screen and (max-width: 700px) {
  .cards {
    height: 350px;
    width: 350px;
  }
  .card .front-view img {
    width: 17px;
  }
  .card .back-view img {
    max-width: 40px;
  }
}

@media screen and (max-width: 530px) {
  .cards {
    height: 300px;
    width: 300px;
  }
  .card .front-view img {
    width: 15px;
  }
  .card .back-view img {
    max-width: 35px;
  }
}

/* Import Google font - Poppins */
@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&display=swap");
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}
section {
  background: #fff;
  border-radius: 7px;
  margin-top: 30px;
}
.tools-board {
  width: 210px;
  padding: 15px 22px 0;
}
.tools-board .row {
  margin-bottom: 20px;
}
.row .options {
  list-style: none;
  margin: 10px 0 0 5px;
}
.row .options .option {
  display: flex;
  cursor: pointer;
  align-items: center;
  margin-bottom: 10px;
}
.option:is(:hover, .active) img {
  filter: invert(17%) sepia(90%) saturate(3000%) hue-rotate(900deg)
    brightness(100%) contrast(100%);
}
.option :where(span, label) {
  color: #5a6168;
  cursor: pointer;
  padding-left: 10px;
}
.option:is(:hover, .active) :where(span, label) {
  color: #4a98f7;
}
.option #fill-color {
  cursor: pointer;
  height: 14px;
  width: 14px;
}
#fill-color:checked ~ label {
  color: #4a98f7;
}
.option #size-slider {
  width: 100%;
  height: 5px;
  margin-top: 10px;
}
.colors .options {
  display: flex;
  justify-content: space-between;
}
.colors .option {
  height: 20px;
  width: 20px;
  border-radius: 50%;
  margin-top: 3px;
  position: relative;
}
.colors .option:nth-child(1) {
  background-color: #fff;
  border: 1px solid #bfbfbf;
}
.colors .option:nth-child(2) {
  background-color: #000;
}
.colors .option:nth-child(3) {
  background-color: #e02020;
}
.colors .option:nth-child(4) {
  background-color: #6dd400;
}
.colors .option:nth-child(5) {
  background-color: #4a98f7;
}
.colors .option.selected::before {
  position: absolute;
  content: "";
  top: 50%;
  left: 50%;
  height: 12px;
  width: 12px;
  background: inherit;
  border-radius: inherit;
  border: 2px solid #fff;
  transform: translate(-50%, -50%);
}
.colors .option:first-child.selected::before {
  border-color: #ccc;
}
.option #color-picker {
  opacity: 0;
  cursor: pointer;
}
.buttons button {
  width: 100%;
  color: #fff;
  border: none;
  outline: none;
  padding: 11px 0;
  font-size: 0.9rem;
  margin-bottom: 13px;
  background: none;
  border-radius: 4px;
  cursor: pointer;
}
.buttons .clear-canvas {
  color: #6c757d;
  border: 1px solid #6c757d;
  transition: all 0.3s ease;
}
.clear-canvas:hover {
  color: #fff;
  background: #6c757d;
}
.buttons .save-img {
  background: #4a98f7;
  border: 1px solid #4a98f7;
}

/* Drawing App - giao diện đồng bộ với profile/minigame */
/* Import Google font - Poppins */
@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&display=swap");
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

.container {
  display: flex;
  width: 100%;
  gap: 10px;
  padding: 10px;
}
section {
  background: #fff;
  border-radius: 7px;
}
.tools-board {
  width: 210px;
  padding: 15px 22px 0;
}
.tools-board .row {
  margin-bottom: 20px;
}
.row .options {
  list-style: none;
  margin: 10px 0 0 5px;
}
.row .options .option {
  display: flex;
  cursor: pointer;
  align-items: center;
  margin-bottom: 10px;
}
.option:is(:hover, .active) img {
  filter: invert(17%) sepia(90%) saturate(3000%) hue-rotate(900deg)
    brightness(100%) contrast(100%);
}
.option :where(span, label) {
  color: #5a6168;
  cursor: pointer;
  padding-left: 10px;
}
.option:is(:hover, .active) :where(span, label) {
  color: #4a98f7;
}
.option #fill-color {
  cursor: pointer;
  height: 14px;
  width: 14px;
}
#fill-color:checked ~ label {
  color: #4a98f7;
}
.option #size-slider {
  width: 100%;
  height: 5px;
  margin-top: 10px;
}
.colors .options {
  display: flex;
  justify-content: space-between;
}
.colors .option {
  height: 20px;
  width: 20px;
  border-radius: 50%;
  margin-top: 3px;
  position: relative;
}
.colors .option:nth-child(1) {
  background-color: #fff;
  border: 1px solid #bfbfbf;
}
.colors .option:nth-child(2) {
  background-color: #000;
}
.colors .option:nth-child(3) {
  background-color: #e02020;
}
.colors .option:nth-child(4) {
  background-color: #6dd400;
}
.colors .option:nth-child(5) {
  background-color: #4a98f7;
}
.colors .option.selected::before {
  position: absolute;
  content: "";
  top: 50%;
  left: 50%;
  height: 12px;
  width: 12px;
  background: inherit;
  border-radius: inherit;
  border: 2px solid #fff;
  transform: translate(-50%, -50%);
}
.colors .option:first-child.selected::before {
  border-color: #ccc;
}
.option #color-picker {
  opacity: 0;
  cursor: pointer;
}
.buttons button {
  width: 100%;
  color: #fff;
  border: none;
  outline: none;
  padding: 11px 0;
  font-size: 0.9rem;
  margin-bottom: 13px;
  background: none;
  border-radius: 4px;
  cursor: pointer;
}
.buttons .clear-canvas {
  color: #6c757d;
  border: 1px solid #6c757d;
  transition: all 0.3s ease;
  margin-right: 10px;
}
.clear-canvas:hover {
  color: #fff;
  background: #6c757d;
}
.buttons .save-img {
  background: #4a98f7;
  border: 1px solid #4a98f7;
}
.drawing-board {
  flex: 1;
  overflow: hidden;
}
.drawing-board canvas {
  width: 100%;
  height: 100%;
}

#notifications-section .row .title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
  display: block;
  color: white;
  /* Không cho xuống hàng, không bị cắt chữ cuối, không bị ảnh hưởng bởi các rule khác */
  white-space: nowrap !important;
  overflow: visible !important;
  text-overflow: unset !important;
}

/* Sửa lỗi chữ bị tràn ra ngoài ở tools-board */
#notifications-section .tools-board,
.tools-board {
  word-break: break-word;
  overflow-wrap: anywhere;
}

#notifications-section .tools-board .row .title,
.tools-board .row .title {
  white-space: normal;
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* Đảm bảo các label, span không bị tràn */
#notifications-section .tools-board label,
#notifications-section .tools-board span,
.tools-board label,
.tools-board span {
  white-space: normal;
  word-break: break-word;
  overflow-wrap: anywhere;
  max-width: 100%;
  display: inline-block;
}

/* Drawing App - khung tổng lớn hơn, tools nhỏ bên trái, canvas to bên phải */
#notifications-section .container {
  width: 100%;
  max-width: 1100px;
  min-height: 0;
  padding: 0 0 0 0;
  margin: 0 auto;
  gap: 32px;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  background: none;
  position: static;
  box-sizing: border-box;
  margin-top: 30px;
}

#notifications-section .tools-board {
  width: 230px;
  min-width: 180px;
  max-width: 260px;
  margin: 0;
  padding: 24px 18px 0 18px;
  box-sizing: border-box;
  border-radius: 10px;
  background: var(--color-bg-sidebar);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  flex-shrink: 0;
}

#notifications-section .drawing-board {
  flex: 1 1 0%;
  min-width: 0;
  min-height: 500px;
  margin: 0;
  padding: 28px;
  box-sizing: border-box;
  border-radius: 10px;
  background: var(--color-bg-sidebar);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: stretch;
  justify-content: stretch;
}

#notifications-section .drawing-board canvas {
  width: 100% !important;
  height: 500px !important;
  min-height: 400px;
  max-height: 700px;
  display: block;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

/* Responsive media query code for small screens */
@media (max-width: 1100px) {
  #notifications-section .container {
    max-width: 98vw;
    padding: 0 1vw;
    gap: 16px;
  }
  #notifications-section .drawing-board canvas {
    height: 350px !important;
    min-height: 200px;
    max-height: 400px;
  }
}

/* Piano */
/* Import Google font - Poppins */
@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&display=swap");
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}
.wrapper {
  padding: 35px 40px;
  border-radius: 20px;
  background: #141414;
  margin-top: 70px;
}
.wrapper header {
  display: flex;
  color: #b2b2b2;
  align-items: center;
  justify-content: space-between;
}
header h2 {
  font-size: 1.6rem;
}
header .column {
  display: flex;
  align-items: center;
}
header span {
  font-weight: 500;
  margin-right: 15px;
  font-size: 1.19rem;
}
header input {
  outline: none;
  border-radius: 30px;
}
.volume-slider input {
  accent-color: #fff;
}
.keys-checkbox input {
  height: 30px;
  width: 60px;
  cursor: pointer;
  appearance: none;
  position: relative;
  background: #4b4b4b;
}
.keys-checkbox input::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 5px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #8c8c8c;
  transform: translateY(-50%);
  transition: all 0.3s ease;
}
.keys-checkbox input:checked::before {
  left: 35px;
  background: #fff;
}
.piano-keys {
  display: flex;
  list-style: none;
  margin-top: 40px;
}
.piano-keys .key {
  cursor: pointer;
  user-select: none;
  position: relative;
  text-transform: uppercase;
}
.piano-keys .black {
  z-index: 2;
  width: 44px;
  height: 140px;
  margin: 0 -22px 0 -22px;
  border-radius: 0 0 5px 5px;
  background: linear-gradient(#333, #000);
}
.piano-keys .black.active {
  box-shadow: inset -5px -10px 10px rgba(255, 255, 255, 0.1);
  background: linear-gradient(to bottom, #000, #434343);
}
.piano-keys .white {
  height: 230px;
  width: 70px;
  border-radius: 8px;
  border: 1px solid #000;
  background: linear-gradient(#fff 96%, #eee 4%);
}
.piano-keys .white.active {
  box-shadow: inset -5px 5px 20px rgba(0, 0, 0, 0.2);
  background: linear-gradient(to bottom, #fff 0%, #eee 100%);
}
.piano-keys .key span {
  position: absolute;
  bottom: 20px;
  width: 100%;
  color: #a2a2a2;
  font-size: 1.13rem;
  text-align: center;
}
.piano-keys .key.hide span {
  display: none;
}
.piano-keys .black span {
  bottom: 13px;
  color: #888888;
}

@media screen and (max-width: 815px) {
  .wrapper {
    padding: 25px;
  }
  header {
    flex-direction: column;
  }
  header :where(h2, .column) {
    margin-bottom: 13px;
  }
  .volume-slider input {
    max-width: 100px;
  }
  .piano-keys {
    margin-top: 20px;
  }
  .piano-keys .key:where(:nth-child(9), :nth-child(10)) {
    display: none;
  }
  .piano-keys .black {
    height: 100px;
    width: 40px;
    margin: 0 -20px 0 -20px;
  }
  .piano-keys .white {
    height: 180px;
    width: 60px;
  }
}

@media screen and (max-width: 615px) {
  .piano-keys .key:nth-child(13),
  .piano-keys .key:nth-child(14),
  .piano-keys .key:nth-child(15),
  .piano-keys .key:nth-child(16),
  .piano-keys .key :nth-child(17) {
    display: none;
  }
  .piano-keys .white {
    width: 50px;
  }
}