:root {
  /* Modern color palette */
  --color-primary: #4361ee;
  --color-secondary: #3f37c9;
  --color-accent: #4cc9f0;
  --color-success: #4ade80;
  --color-danger: #f87171;
  --color-warning: #fbbf24;
  --color-info: #b4c7f7ff;
  --color-icon: #3E79B4;
  
  /* Base colors */
  --color-bg: #ffffff;
  --color-text: #374151;
  --color-text-light: #6b7280;
  --color-text-contrast: #ffffff;
  --color-bg-overlay: rgba(255, 255, 255, 0.7);
  --color-btn-bg: #f5f5f7;
  
  /* Legacy mappings for compatibility */
  --color-c2a: var(--color-primary);
  --color-c2a-contrast: var(--color-text-contrast);
  --color-good: var(--color-success);
  --color-good-contrast: var(--color-text);
  --color-bad: var(--color-danger);
  --color-bad-contrast: var(--color-text-contrast);
  --color-warn: var(--color-warning);
  --color-warn-contrast: #4b5563;
  
  /* Borders and backgrounds */
  --color-border: #e5e7eb;
  --color-btn-border: #ccc;

  --color-shade-1: #f9fafb;
  --color-shade-2: #f3f4f6;
  --color-shade-3: #e5e7eb;
  --color-shade-4: #d1d5db;
  --color-shade-5: #9ca3af;
  --color-shade-6: #6b7280;
  --color-shade-7: #4b5563;

  /* headers */
  --color-header-bg: #e5e7eb;
  --color-header-text: #374151;

  /* dialog */
  --color-dialog-bg: #efefef;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  --toolbar-gap: 0.8rem;
}

/* Dark mode overrides */
.dark-mode {
  --color-bg: #18181b;
  --color-text: #efefef;
  --color-text-light: #9ca3af;
  --color-text-contrast: #fff;
  --color-bg-overlay: rgba(10, 10, 10, 0.7);
  --color-dialog-bg: #282828;
  --color-btn-bg: #303030;
  --color-border: #27272a;
  --color-btn-border: #777;
  --color-shade-1: #232326;
  --color-shade-2: #27272a;
  --color-shade-3: #3f3f46;
  --color-shade-4: #52525b;
  --color-shade-5: #71717a;
  --color-shade-6: #a1a1aa;
  --color-shade-7: #e5e7eb;
  --color-header-text: #e5e7eb;
  --color-header-bg: #374151;  
  --color-c2a-contrast: #ffffff;
  --color-good-contrast: #18181b;
  --color-bad-contrast: #18181b;
  --color-warn-contrast: #18181b;
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.25);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.35), 0 2px 4px -1px rgba(0,0,0,0.25);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.35), 0 4px 6px -2px rgba(0,0,0,0.25);
}

html, body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  color: var(--color-text);
  background-color: var(--color-bg);
  margin: 0;
  height: 100%;
  overflow: hidden;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* layout */

#app {
  height: 100%;
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg);
  color: var(--color-text);
}

#header {
  padding: 1em 1.5em;
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  background-color: var(--color-bg);
  z-index: 10;
  position: relative;
}

#content {
  height: 100%;
  display: flex;
  flex: 1;
  overflow: auto;
  padding: 1.5em 1.5em 1em;
  background-color: var(--color-shade-1);
}

#footer {
  padding: 1em 1.5em;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg);
  font-size: 0.9rem;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-space-between {
  justify-content: space-between;
  align-items: center;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.5em;
}

.user-info img, .footer-right img {
  vertical-align: middle;
  margin-right: 0.3em;
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 0.5em;
}

/* app-bar */

.app-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--toolbar-gap);
}

.app-bar section {
  display: flex;
  column-gap: var(--toolbar-gap);
}

.app-bar .logo {
  cursor: pointer;
  margin-right: 1em;
  transition: transform var(--transition-fast);
}

.app-bar .logo:hover {
  transform: scale(1.05);
}

.app-bar .topleft {
  display: flex;
  align-items: center;
  column-gap: var(--toolbar-gap);
  width: 100%;
}

.center {
    text-align: center;
}

.c2a {
  background-color: var(--color-primary);
  color: var(--color-text-contrast);
}

.c2a:hover {
  background-color: var(--color-secondary);
  box-shadow: 0 4px 12px rgba(67, 97, 238, 0.25);
}

.good {
  background-color: var(--color-success);
  color: var(--color-good-contrast);
}

.good:hover {
  background-color: #3ec571;
  box-shadow: 0 4px 12px rgba(78, 222, 128, 0.25);
}

.warn {
  background-color: var(--color-warning);
  color: var(--color-warn-contrast);
}

.warn:hover {
  background-color: #f59e0b;
  box-shadow: 0 4px 12px rgba(251, 191, 36, 0.25);
}

.bad {
  background-color: var(--color-danger);
  color: var(--color-bad-contrast);
}

.bad:hover {
  background-color: #ef4444;
  box-shadow: 0 4px 12px rgba(248, 113, 113, 0.25);
}

.hidden {
  display: none !important;
}

button .text {
  margin-left: 0.5em;
  vertical-align: middle;
}

@media only screen and (min-width: 641px) {
  .iconbutton span.text { display: inline-block }
}

@media only screen and (max-width: 640px) {
    .iconbutton span.text { display: none }
    .iconbutton span { margin-right: 0 }
    :root {
      --toolbar-gap: 0.3rem;
    }
    #header {
      padding: 0.2rem 0.5rem;
    }
}

.icon {
  color: var(--color-icon);
}

button {
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 0.375rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 0.6em 1em;
    white-space: nowrap;
    background-color: var(--color-btn-bg);
    color: var(--color-text);
    transition: all var(--transition-fast);
    outline: none;
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
  }
  
  button:disabled {
    pointer-events: none;
    opacity: 0.6;
    background: var(--color-shade-3);
  }
  
  button:hover {
    box-shadow: var(--shadow-md);
    background-color: var(--color-shade-3);
    transform: translateY(-1px);
  }
  
  button:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.25);
  }
  
  button:active {
    box-shadow: var(--shadow-sm);
    transform: translateY(0);
  }

  button.secondary {
    border: 1px solid var(--color-btn-border);
  }

h2 {
  margin: 0 0 0 0;
}

.global-spinner {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-bg-overlay);
  z-index: 9998;
  display: flex;
  justify-content: center;
  align-items: center;
}

.global-spinner:after {
  content: " ";
  display: block;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 4px solid var(--color-primary);
  border-color: var(--color-info) transparent var(--color-info) transparent;
  animation: spinner 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

@keyframes spinner {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.dropdown {
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 10rem;
  position: relative;
}

.dropdown select {
  -webkit-tap-highlight-color: transparent;
  cursor: pointer;
  border-radius: 0.5rem;
  font-size: 0.9rem;
  padding: 0.7rem 1rem;
  width: 100%;
  color: var(--color-text);
  border: 1px solid var(--color-shade-3);
  background-color: var(--color-bg);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.dropdown select:hover {
  border-color: var(--color-shade-4);
  box-shadow: var(--shadow-md);
}

.dropdown select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.25);
  outline: none;
}

.dropdown:active {
  box-shadow: none;
}

select {
  background: url("data:image/svg+xml,<svg height='10px' width='10px' viewBox='0 0 16 16' fill='%236B7280' xmlns='http://www.w3.org/2000/svg'><path d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/></svg>") no-repeat;
  background-position: calc(100% - 0.75rem) center !important;
  -moz-appearance:none !important;
  -webkit-appearance: none !important; 
  appearance: none !important;
  padding-right: 2rem !important;
  border-color: var(--color-border);
}

.card {
  padding: 1.5em;
  background-color: var(--color-bg);
  border: 1px solid var(--color-shade-3);
  border-radius: 0.75rem;
  display: inline-block;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.flex {
  display: flex;
  flex-wrap: wrap;
  gap: 1em;
}

.flex-center {
  align-items: center;
}

.toolbar-gap {
  gap: var(--toolbar-gap);
}

.flex-1 {
  flex: 1;
}

.gap-1 { gap: 1rem; }
.gap-2 { gap: 2rem; }
.gap-5 { gap: 5rem; }

.login-button {
  padding: 0.9em 2em;
  max-height: 5em;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.login-button:before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: all 0.6s;
}

.login-button:hover:before {
  left: 100%;
}

.mt-1 {
    margin-top: 1rem;
}

.mt-2 {
    margin-top: 2rem;
}

.mt-4 {
    margin-top: 4rem;
}

.p-1 {
  padding: 1rem;
}

.p-2 {
  padding: 2rem;
}

.my-1 {
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.my-0 {
  margin-top: 0;
  margin-bottom: 0;
}

.block {
  display: inline-block;
}

/* toast */

#toast {
  visibility: hidden;
  min-width: 280px;
  margin-left: -140px;
  background-color: var(--color-bg);
  color: var(--color-text);
  text-align: center;
  border-radius: 0.5rem;
  padding: 1rem;
  position: fixed;
  z-index: 1000;
  left: 50%;
  top: 30px;
  font-size: 0.95rem;
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--color-warning);
  transform: translateY(-20px);
}

#toast.show {
  visibility: visible;
  transform: translateY(0);
  transition: all 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
  animation: toast-show 0.5s, toast-hide 0.5s 3s;
}

@keyframes toast-show {
  from {
    opacity: 0;
    transform: translateY(-20px);
  } 
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes toast-hide {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(-20px);
  }
}

.flex {
  display: flex;
  flex-direction: column;
}

.flex-row {
  display: flex;
  flex-direction: row;
}

.flex-align-center {
  align-items: center;
}

.flex-1 {
  flex: 1;
}

.text-left {
  text-align: left;
}

.text-center{
	text-align: center;
}

.text-right {
  text-align: right;
}

th {
  text-align: left;
}


.no-wrap {
  white-space: nowrap;
  overflow: hidden;
}

.no-wrap-dots {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

input {
  padding: 0.5rem;
  border-radius: 0.3rem;
  font-size: 12pt;
}

input {
    color: var(--color-text-light);
    margin: 0.1rem;
    padding: 0.8rem 1rem;
    border: none;
    border-radius: 0.5rem;
    background-color: var(--color-shade-1);
    font-size: 1rem;
    outline: none;
    font-family: inherit;
}

textarea {
  color: var(--color-text);
  margin: 0.1rem;
  padding: 0.8rem 1rem;
  border: none;
  border-radius: 0.5rem;
  background-color: var(--color-shade-1);
  font-size: 1rem;
  outline: none;
  font-family: inherit;
  resize: vertical;
  min-height: 6rem;
  box-sizing: border-box;
}

input:focus {
    box-shadow: 0 0 0 2px var(--color-primary);
}

textarea:focus {
  box-shadow: 0 0 0 2px var(--color-primary);
}

.info-container {
  padding: 1rem;
  max-width: 50ch;
  border-radius: 1rem;
}

.info {
  & h3 {
    color: var(--color-shade-7);
  }
}

.info p {
    margin: 1rem 0;
    line-height: 1.5rem;
}

.loading {
  position: relative;
  overflow: hidden;
  color: transparent !important;
  pointer-events: none;
}

.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1rem;
  height: 1rem;
  margin-top: -0.75em;
  margin-left: -0.75em;
  border: 0.15em solid var(--color-text-contrast);
  border-right-color: transparent;
  border-radius: 50%;
  animation: loading-spin 0.75s linear infinite;  
}

@keyframes loading-spin {
  to {
    transform: rotate(360deg);
  }
}

.grid {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 150px));
}

@media (max-width: 720px)  {
  .grid {
    grid-template-columns: 1fr;
  }  
}

a {
	color: var(--color-c2a);
  letter-spacing: 0.04rem;
}

.page {
  width: 100%;
}

.plainbg {
  background: transparent;
}

.search-input {
  max-width: 10rem;
  width: 7rem;
}

.tip {
  padding: 0.2rem 0.8rem;
  margin: 0.3rem;
  font-size: 10pt;
  border-radius: 1rem;
  color: black;
  border: 1px solid var(--color-border);
  background-color: var(--color-info);
  display: inline-block;
}

.pointer {
  cursor: pointer;
}

.sticky {
  position: sticky;
  top: 0;
}

.solid-bg {
  background: var(--color-shade-1);
}