body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  max-width: 1100px;
  min-width: 200px;
  margin: 40px auto;
  background: linear-gradient(-45deg, #f9f9fb, #e0eafc, #c2d8ff, #f9f9fb);
  background-size: 400% 400%;
  animation: gradientBackground 25s ease infinite;
  padding: 30px;
  color: #333;
  display: flex;
  flex-direction: column;
  align-items: center;
}

@keyframes gradientBackground {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.3s ease;
  padding: 20px;
  box-sizing: border-box;
}

.popup-overlay.show {
  visibility: visible;
  opacity: 1;
}

.popup-content {
  background: white;
  padding: 20px 30px;
  border-radius: 12px;
  max-width: 400px;
  min-width: 200px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  margin-top: -100px;
}

.popup-content h2 {
  font-size: 1.3rem;
  color: #333;
}

.popup-content p {
  color: #4a90e2;
}
  
.popup-content ul {
  list-style: none;
  padding: 0;
  margin: 20px auto;
  max-width: 90%;
}

.popup-content li {
  position: relative;
  display: flex;
  justify-content: center;   /* Centers the text horizontally */
  align-items: center;     /* Makes room for the checkmark */
  margin-bottom: 12px;
  color: #555;
  font-size: 1em;
  line-height: 1.5;
  word-wrap: break-word;
  transition: color 0.25s ease, text-shadow 0.25s ease;
  cursor: default;
  text-align: center;
}

/* Checkmark appears on hover 
.popup-content li::after {
  content: '✓';
  position: absolute;
  right: 0;                
  top: 50%;
  transform: translateY(-50%) scale(0.8);
  color: #4a90e2;
  font-weight: bold;
  font-size: 18px;
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
*/

.popup-content li:hover::after {
  opacity: 1;
  transform: translateY(-50%) scale(1.2);
}

.popup-content li:hover {
  color: #4a90e2;
}

.popup-content button {
  background: #4a90e2;
  color: white;
  border: none;
  padding: 10px;
  border-radius: 6px;
  font-weight: bold;
  cursor: pointer;
  font-size: 16px;
  width: 100%;
  margin-top: 10px;
}

#float-modal {
  margin-top: -80px;
}

.float-title {
  font-size: 16px;
  text-align: left;
  color: #333;
  margin-bottom: 0px;
  font-weight: normal;
  display: block;
  user-select: none;
}

#save-float {
  background: #4a90e2;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: bold;
  cursor: pointer;
  font-size: 16px;
  margin-top: 20px;
  width: 100%;
}

#save-float[type="submit"]:hover {
  background: #3c78c2;
  box-shadow: 0 4px 10px rgba(60,120,194,0.6);
}

.popup-content button:hover {
  background: #357abd;
}

#help-button {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  background-color: #4a90e2;
  color: white;
  font-weight: bold;
  font-size: 28px;
  border-radius: 50%;
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  z-index: 1000;
  transition: background-color 0.3s ease;
}

#help-button:hover {
  background-color: #357ABD;
}

.chart-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 1100px;
  width: 100%;
  position: relative;
  margin-top: 0vh;
}

/* Adjusted total-container for float button on LEFT and calendar button on RIGHT */
.total-container {
  position: relative;
  width: 100%;
  max-width: 300px;
  margin-bottom: 20px;
  font-weight: 100;
  font-size: 20px;
  display: flex;
  align-items: center;
}

/* Float button on LEFT inside total container */
.total-container .float-btn {
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 26px;
  color: #5a7081;
  cursor: pointer;
  padding: 0 6px 2px 6px;
  user-select: none;
  transition: color 0.3s ease, transform 0.2s ease;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  z-index: 3;
}

.total-container .float-btn:hover {
  color: #357abd;
  transform: translateY(-50%) scale(1.2);
}

/* Dollar sign shifted right to avoid overlap with float button */
.total-container span {
  position: absolute;
  left: 40px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  font-size: 16px;
  color: #555;
  user-select: none;
  z-index: 2;
}

/* Input with left padding for float button + dollar sign, and right padding for calendar button */
.total-container input {
  font-size: 20px;
  font-weight: 600;
  text-align: center;
  width: 100%;
  padding: 6px 56px 6px 56px; /* balance left and right */
  border-radius: 6px;
  border: 2px solid #4a90e2;
  color: #333;
  box-sizing: border-box;
  position: relative;
  z-index: 1;
}


/* Calendar button on RIGHT side */
.calendar-btn {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: #4a90e2;
  padding: 0;
  margin: 0;
  transition: transform 0.2s ease, color 0.2s ease;
  z-index: 999;
}

.calendar-btn:hover {
  transform: scale(1.2) rotate(5deg);
  color: #2d70c4;
}

.flatpickr-input {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 16px;
  width: 100%;
  box-sizing: border-box;
  background-color: white;
  margin-top: 10px;
}
/* NEW MODAL OVERLAY & MODAL STYLES */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.4);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 999;
}

/* Show modal overlay when active */
.modal-overlay.show {
  display: flex;
}

.modal {
  background: white;
  padding: 30px 30px;
  border-radius: 10px;
  width: 60vw;
  max-width: 300px;
  min-width: 200px;
  position: relative;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  bottom: 8%;
}

.modal label {
  font-size: 16px;
  text-align: left;
  color: #333;
  margin-bottom: 20px;
  display: block;
  user-select: none;
}

input[type="date"],
input[type="number"],
select {
  font-size: 16px;
  padding: 10px;
  height: 42px;
  line-height: 1.2;
  box-sizing: border-box;
  border: 1px solid #ccc;
  border-radius: 6px;
  background-color: white;
  color: #333;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  width: 100%;
  margin-top: 10px;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.modal input:focus,
.modal select:focus {
  outline: none;
  border-color: #4a90e2;
  box-shadow: 0 0 8px rgba(74,144,226,0.6);
}

.modal button[type="submit"] {
  background: #4a90e2;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: bold;
  cursor: pointer;
  font-size: 16px;
  margin-top: 5px;
  width: 100%;
}

.modal button[type="submit"]:hover {
  background: #3c78c2;
  box-shadow: 0 4px 10px rgba(60,120,194,0.6);
}

.close-modal {
  position: absolute;
  top: 10px;
  right: 14px;
  background: none;
  border: none;
  font-size: 24px;
  color: #999;
  cursor: pointer;
}

.close-modal:hover {
  color: red;
}

.chart-container {
  position: relative;
  width: 100%;
  max-width: 300px;
  height: 60vh;
  max-height: 450px;
  background: #e0e0e0;
  border-radius: 20px;
  box-shadow: inset 0 2px 10px rgba(0,0,0,0.15);
  overflow: hidden;
}

.toggle-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 20px;
  background: white;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #4a90e2;
  box-shadow: 0 1px 5px rgba(0,0,0,0.15);
  cursor: pointer;
  transition: color 0.3s ease;
  z-index: 10;
  user-select: none;
}

.toggle-btn:hover {
  color: #f5a623;
}

.toggle-symbol.dollar {
  position: relative;
  top: -1px;
}

.legend {
  width: 100%;
  max-width: 300px;
  padding: 10px 14px;
  padding-top: 20px;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  user-select: none;
  overflow-y: auto;
  max-height: 200px;
  box-sizing: border-box;
  margin-top: 20px;
  display: none;
}

.legend-item {
  display: flex;
  align-items: center;
  margin-bottom: 8px;
  width: 100%;
  font-size: 15px;
  color: #333;
  cursor: default;
}

.legend-color-box {
  width: 20px;
  height: 20px;
  border-radius: 5px;
  margin-right: 8px;
  flex-shrink: 0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.legend-text {
  flex-grow: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 700;
}

.legend-value {
  font-style: italic;
  font-weight: 600;
  font-size: 14px;
  margin-right: 5px;
  white-space: nowrap;
  color: #555;
}

/* Inputs/selects inside bills table cells */
#bills-tbody td input,
#bills-tbody td select {
  width: 0%;
  box-sizing: border-box;
  border: none;
  padding: 6px 8px;
  font-family: inherit;
  font-size: inherit;
  background-color: #fff;
  border-radius: 6px;
  outline: none;
  opacity: 0;
  animation: fadeInInput 0.25s forwards;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

/* Highlight on focus */
#bills-tbody td input:focus,
#bills-tbody td select:focus {
  background-color: #f0f8ff;
  box-shadow: 0 0 6px #4a90e2;
}

/* Fade-in keyframes */
@keyframes fadeInInput {
  to {
    opacity: 1;
  }
}

.segment {
  position: absolute;
  left: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: white;
  box-sizing: border-box;
  padding: 4px 6px;
  box-shadow: inset 0 1px 4px rgba(0,0,0,0.12);
  user-select: none;
  overflow: hidden;
  line-height: 1.2;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  transition: background-color 0.3s ease;
  border-radius: 0;
}

.segment.first {
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
}

.segment.last {
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
}

.segment .name {
  font-weight: 700;
  font-size: 18px;
  text-shadow: 0 0 2px rgba(0,0,0,0.4);
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.segment .value {
  font-style: italic;
  font-size: 13px;
  opacity: 0.85;
  margin-top: 2px;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
  padding: 0 8px;
}

.handle {
  position: absolute;
  left: 50%;
  transform: translate(-50%, -7.8px);
  width: 30px;
  height: 12px;
  background: #333;
  border-radius: 6px;
  cursor: ns-resize;
  z-index: 5;
  box-shadow: 0 2px 4px rgba(0,0,0,0.3);
  border: 2px solid #fff;
  user-select: none;
  transition: background-color 0.3s ease;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
}

.collapse-container {
  width: auto;
  margin-top: 20px;
  margin-bottom: 40px;
  text-align: center;
  min-width: 300px
}

.collapse-toggle {
  cursor: pointer;
  color: #4a90e2;
  font-weight: 600;
  font-size: 16px;
  user-select: none;
  margin-bottom: 10px;
  display: inline-block;
  transition: color 0.3s ease;
}

.collapse-toggle:hover {
  color: #f5a623;
}

.collapse-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  box-sizing: border-box;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  background: white;
  padding: 0 10px;
  opacity: 0;
  visibility: hidden;
}

.collapse-content.open {
  max-height: none;
  max-width: 90vw;
  min-width: 300px;
  padding: 20px 20px 10px 20px;
  overflow: visible;
  opacity: 1;
  visibility: visible;
  margin: 0 auto;
}

.add-bill-form {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  align-items: stretch;
  width: 100%;
  box-sizing: border-box;
}

.add-bill-form > div {
  margin-bottom: 14px;
}

.add-bill-form input[type="text"],
.add-bill-form input[type="number"] {
  padding: 10px 10px;
  border: 1.5px solid #bbb;
  border-radius: 6px;
  font-size: 16px;
  transition: border-color 0.3s ease;
  width: 100%;
  box-sizing: border-box;
}

.add-bill-form input[type="text"]:focus,
.add-bill-form input[type="number"]:focus {
  outline: none;
  border-color: #4a90e2;
  box-shadow: 0 0 5px rgba(74,144,226,0.5);
}

#new-bill-start-date {
  width: 100%;
  padding-right: ;
}

.add-bill-form button {
  background: #4a90e2;
  border: none;
  color: white;
  padding: 10px 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 700;
  font-size: 16px;
  box-shadow: 0 3px 7px rgba(0, 0, 0, 0.15);
  transition: background 0.3s ease, box-shadow 0.3s ease;
  user-select: none;
  width: 100%;
  text-align: center;
  box-sizing: border-box;
  margin-top: 10px;
}

.add-bill-form button:hover {
  background: #3c78c2;
  box-shadow: 0 4px 10px rgba(60,120,194,0.6);
}

.add-bill-form button:focus {
  outline: 2px solid #f5a623;
  outline-offset: 2px;
}

table {
  width: 100%;
  margin: 0 auto;
  border-collapse: collapse;
}

th, td {
  padding: 10px 14px;
  border-bottom: 1px solid #ddd;
  font-size: 15px;
  color: #333;
  text-align: left;
}

th {
  background: #5a7081;
  color: white;
  font-weight: 600;
}

tr.sortable-chosen {
  background: #e0eaff;
}

tr.sortable-ghost {
  opacity: 0.4;
}

.delete-btn {
  background: none;
  border: none;
  font-size: .9em;
  color: #999;
  cursor: pointer;
}

.delete-btn:hover {
  color: red;
}

/* Remove number input arrows for better style */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type=number] {
  -moz-appearance: textfield;
}

th {
  white-space: nowrap;
}

/* Hide columns that won't fit on smaller screens */
/* For example, hide 3rd column on screens below 600px */
@media (max-width: 600px) {
  table th:nth-child(3),
  table td:nth-child(3) {
    display: none;
  }
}

/* Hide 4th column on screens below 400px */
@media (max-width: 430px) {
  table th:nth-child(4),
  table td:nth-child(4) {
    display: none;
  }
  
  .handle {
    position: absolute;
    width: 100%;
    height: 20px;
    border-radius: 0;
    border: none;
    background-color: rgba(0, 0, 0, 0.2); /* black with 40% opacity */
    cursor: row-resize;
    transform: translate(-50%, -11px);
  }
  
  .segment .name {
    font-size: 19px;
  }
  
  .segment .value {
    font-size: 14px;
  }
  
  body {
    margin: 20px 25px 0 25px;
  }
}


@media (max-width: 320px) {
  .popup-content .gray-text {
    display: none;
  }

  .popup-content {
    max-width: 90vw;
    padding: 10px 15px;
  }

  .popup-content h2 {
    font-size: 1.3rem;
  }
}