:root {
  --page-bg: #28324D;
  --content-height: 60vh;
  --content-bg: #FFFFFF;
  --nav-bg: #F8F7ED;
  --nav-text: #C4C3BA;
  --nav-hover-bg: #F3F2E2;
  --nav-hover-text: #28324D;
  --accent: #F05451;
  --tile-bg: #fcfbf7;
  --icon-bg: #e78b8b, #f8bd2f, #a9c264, #70b99b, #77a0ce, #cf8dca;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--page-bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  color: #222;
  box-sizing: border-box;
  transform: translateY(-5%);
}

.shell {
  width: 1000px;
  max-width: 95vw;
  min-height: var(--content-height);
  background: var(--content-bg);
  box-shadow: 0 10px 30px rgba(8, 12, 20, 0.25);
  overflow: hidden;
  display: flex;
  border-radius: 8px;
}

.nav {
  width: 80px;
  background: var(--nav-bg);
  display: flex;
  flex-direction: column;
  position: relative;
}

.nav-item {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px 20px 18px 24px;
  box-sizing: border-box;
  font-size: 16px;
  color: var(--nav-text);
  cursor: pointer;
  position: relative;
  user-select: none;
  writing-mode: vertical-lr;
  transition: background 160ms ease, color 160ms ease;
}

.nav-item:not(.active):hover {
  background: var(--nav-hover-bg);
  color: var(--nav-hover-text);
}

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

.nav-item.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
}

.content {
  flex: 1;
  padding: 28px 28px 36px 28px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
  max-height: var(--content-height);
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.content::-webkit-scrollbar {
  width: 0;
}

.content-header {
  font-size: 18px;
  color: #222;
  font-weight: 700;
  letter-spacing: 5px;
}

.grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 54px;
  align-items: stretch;
  margin-top: 6px;
}

.tile {
  background: var(--tile-bg);
  border-radius: 8px;
  border: 1px solid #f5f4ed;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  box-sizing: border-box;
  transition: transform 180ms ease, box-shadow 180ms ease, border 180ms ease;
  cursor: pointer;
  user-select: none;
  min-width: 0;
  text-decoration: none;
}

.tile.dragging {
  opacity: 0.4;
}

.tile .icon {
  width: 35px;
  height: 35px;
  flex: 0 0 35px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.tile .icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.tile .title {
  font-size: 14px;
  color: #222;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
}

.tile:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 10px rgba(24, 31, 50, 0.1);
}

.edit-mode-tile {
  border: 1px dashed var(--accent) !important;
  animation: wiggle 2s linear infinite;
}

@keyframes wiggle {

  0%,
  100% {
    transform: rotate(0deg);
  }

  25% {
    transform: rotate(-1deg);
  }

  75% {
    transform: rotate(1deg);
  }
}

.edit-mode-tile:hover {
  background: #feebeb;
  transform: scale(1.02);
}

.settings-container {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 100;
}

.settings-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0.2;
  box-shadow: 0 4px 12px rgba(240, 84, 81, 0.4);
  transition: transform 0.2s;
}

.settings-btn img {
  width: 24px;
  height: 24px;
}

.settings-btn:hover {
  opacity: 1;
  transform: scale(1.1);
  background: var(--accent);
}

.settings-btn:hover img {
  filter: brightness(0) invert(1);
}

.settings-menu {
  position: absolute;
  bottom: 60px;
  right: 0;
  background: #fff;
  list-style: none;
  padding: 10px 0;
  margin: 0;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  width: 100px;
  transform-origin: bottom right;
}

.settings-menu li {
  padding: 10px 20px;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s;
  color: #333;
}

.settings-menu li:hover {
  background: #f0f0f0;
  color: var(--accent);
}

.float-banner {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  padding: 12px 24px;
  border-radius: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  gap: 15px;
  z-index: 200;
  font-size: 14px;
  color: #333;
  font-weight: bold;
  top: auto !important;
}

.edit-banner {
  background: var(--accent);
  color: white;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(3px);
}

.modal {
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  width: 400px;
  max-width: 90vw;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.modal h1,
.modal h3 {
  margin-top: 0;
  margin-bottom: 20px;
  color: var(--page-bg);
}

.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  font-size: 13px;
  color: #666;
  margin-bottom: 5px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
  box-sizing: border-box;
  font-size: 14px;
}

.form-group.row {
  display: flex;
  gap: 10px;
}

.modal-actions {
  margin-top: 30px;
  width: 100%;
  display: flex;
  gap: 12px;
}

.modal-actions>div {
  display: flex;
  gap: 15px;
}

.action-right {
  margin-left: auto;
}

.btn {
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  min-width: 80px;
  cursor: pointer;
  font-size: 14px;
  font-weight: bold;
  transition: background 0.2s;
  background: #eee;
  color: #333;
}

.btn:hover {
  background: #ddd;
}

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

.btn.primary:hover {
  background: #d94240;
}

.btn.danger {
  background: #fff;
  color: var(--accent);
  border: 1px solid var(--accent);
}

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

#btn-clear-all {
  width: 50%;
  padding: 12px;
}

#modal-cat .close-modal {
  width: 50%;
}

.cat-list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px 0;
  max-height: 400px;
  overflow-y: auto;
}

.cat-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px;
  border-bottom: 1px solid #eee;
}

.cat-list li:last-child {
  border-bottom: none;
}

.cat-actions button {
  margin-left: 5px;
  cursor: pointer;
  border: 1px solid #ccc;
  background: #fff;
  border-radius: 4px;
  padding: 3px 8px;
}

.cat-actions button.danger {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.cat-actions button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.cat-actions button.danger:hover {
  background: #d94240;
  border-color: #d94240;
}

.hidden {
  display: none !important;
}

#btn-add-cat {
  white-space: nowrap;
  flex-shrink: 0;
  min-width: 110px;
}

#save-reminder {
  bottom: 30px;
}

#save-reminder>div {
  display: flex;
  align-items: center;
  gap: 8px;
}

#edit-banner {
  bottom: 90px;
}

.confirm-actions {
  display: flex;
  justify-content: flex-end;
  gap: 15px;
  margin-top: 25px;
}

#btn-close-reminder {
  opacity: 0.3;
  background: transparent;
  min-width: unset;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#btn-close-reminder:hover {
  opacity: 1;
  background: rgba(0, 0, 0, 0.05);
  color: var(--accent);
}

#confirm-msg {
  color: #444;
  font-size: 14px;
  margin: 0 0 20px 0;
}

#modal-confirm {
  width: 320px;
}

.about-desc {
  color: #555;
  font-size: 14px;
  line-height: 1.8;
}

.about-links {
  font-size: 13px;
  color: #888;
  display: flex;
  gap: 16px;
}

.about-links a {
  color: var(--accent);
  text-decoration: none;
}

@media (max-width:900px) {
  body {
    transform: none;
    align-items: flex-start;
    padding: 50px 10px;
  }

  .shell {
    flex-direction: column;
    min-height: var(--content-height);
    height: auto;
  }

  .nav {
    width: 100%;
    height: auto;
    flex-direction: row;
    flex-shrink: 0;
  }

  .nav-item {
    padding: 20px 10px;
    flex: 1;
    text-align: center;
    writing-mode: horizontal-tb;
    font-size: 14px;
  }

  .nav-item.active::before {
    left: 0;
    right: 0;
    top: 0;
    bottom: auto;
    width: 100%;
    height: 3px;
  }

  .content {
    padding: 15px;
    max-height: calc(90vh - 60px);
    min-height: 0;
    overflow-y: auto;
    flex: 1;
  }

  .content-header {
    display: none;
  }

  .grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 0;
  }

  .float-banner {
    width: 90%;
    flex-direction: column;
    text-align: center;
  }
}