/* Base Styles */
*,
*::after,
*::before {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  color: var(--color-gray-900);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  min-height: 100vh;
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: var(--color-accent);
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-accent-dark);
}

/* Pomodoro */
#tomato-container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
  padding: var(--spacing-md);
}

h1 {
  margin: var(--spacing-md) 0;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--color-primary-dark);
  text-align: center;
  font-family: "Happy Monkey", cursive;
}

/* Main */
.timer-body {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-xl);
  margin-bottom: var(--spacing-lg);
}

/* Accordion */
.accordion-wrapper {
  width: 90%;
  max-width: 800px;
  margin: 0 auto var(--spacing-md);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
}

.accordion-wrapper:hover {
  box-shadow: var(--shadow-xl);
}

.accordion {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  border: 1px solid var(--color-gray-300);
  transition: all var(--transition-base);
}

.accordion.accordion-active {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

.accordion-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: var(--spacing-lg);
  cursor: pointer;
  background: var(--color-gray-50);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  transition: background var(--transition-base);
  user-select: none;
  border: none;
}

.accordion-heading:hover {
  background: var(--color-gray-100);
}

.accordion-icon {
  font-weight: bold;
  font-size: 1.5rem;
  transition: transform var(--transition-base);
  color: var(--color-primary);
}

.accordion.accordion-active > .accordion-heading .accordion-icon {
  transform: rotate(45deg);
}

.accordion-body {
  display: none;
  background: var(--color-white);
  border-bottom-left-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
  padding: 0 var(--spacing-lg);
  opacity: 0;
  border: 1px solid var(--color-gray-300);
  border-top: none;
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--transition-slow), opacity var(--transition-base);
}

.accordion-body.accordion-active {
  display: block;
  opacity: 1;
  padding: var(--spacing-lg);
}

.accordion-body h2 {
  margin: var(--spacing-md) 0;
  color: var(--color-primary);
  font-size: 1.5rem;
}

.accordion-body p {
  color: var(--color-gray-900);
  line-height: 1.7;
}

.how-to-accordion + .accordion-body ol {
  text-align: left;
  padding-left: var(--spacing-md);
}

.how-to-accordion + .accordion-body li {
  margin-bottom: var(--spacing-sm);
  color: var(--color-gray-900);
}

/* Video Embed */
.embeded-video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  height: 0;
  margin-top: var(--spacing-md);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.embeded-video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Session & Break */
.time-container {
  background: var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  width: fit-content;
  margin: var(--spacing-xl) auto var(--spacing-md);
}

.container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-xl);
}

.session-div,
.break-div {
  background: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  text-align: center;
}

.session-div h2,
.break-div h2 {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--color-primary);
  font-size: 1.2rem;
  font-weight: 600;
}

.session-div h3,
.break-div h3 {
  font-size: 2.5rem;
  font-weight: 700;
  margin: var(--spacing-md) 0;
  color: var(--color-gray-900);
  font-family: "Courier New", monospace;
}

#session-time,
#break-time {
  display: inline-block;
}

/* Buttons */
.button {
  display: inline-block;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.button:hover {
  transform: translateY(-3px);
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
}

.button:active {
  transform: translateY(0);
}

.button.add-time,
#start {
  background: linear-gradient(135deg, var(--color-success) 0%, #05b88a 100%);
}

.button.add-time:hover,
#start:hover {
  background: linear-gradient(135deg, #05b88a 0%, var(--color-success) 100%);
}

.button.remove-time,
#stop {
  background: linear-gradient(135deg, var(--color-warning) 0%, #d62828 100%);
}

.button.remove-time:hover,
#stop:hover {
  background: linear-gradient(135deg, #d62828 0%, var(--color-warning) 100%);
}

#reset {
  background: linear-gradient(135deg, #4361ee 0%, #3a0ca3 100%);
}

#reset:hover {
  background: linear-gradient(135deg, #3a0ca3 0%, #4361ee 100%);
}

#pomodoro-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-lg);
}

/* Settings Panel */
.settings-container {
  text-align: right;
  padding: var(--spacing-md) var(--spacing-md) 0;
}

.open-settings {
  color: var(--color-primary);
  font-size: 1.2rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0;
  transition: all var(--transition-base);
  cursor: pointer;
  margin-bottom: var(--spacing-sm);
  transition: transform var(--transition-slow);
  background-color: transparent;
  box-shadow: none;
}

.open-settings:hover {
  background: var(--color-gray-300);
  color: var(--color-primary-dark);
  transform: rotate(180deg);
  box-shadow: none;
}

.side-settings {
  height: 100vh;
  width: 0;
  position: fixed;
  z-index: 1;
  top: 0;
  right: 0;
  background: linear-gradient(
    180deg,
    var(--color-primary-dark) 0%,
    var(--color-primary) 100%
  );
  overflow-x: hidden;
  padding-top: var(--spacing-2xl);
  transition: width var(--transition-slow);
  color: var(--color-white);
}

.side-settings.open {
  width: 360px;
}

.close-settings {
  color: var(--color-accent);
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  background-color: transparent;
  box-shadow: none;
}

.close-settings:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-accent-dark);
  background-color: transparent;
  box-shadow: none;
  transform: scale(1.2);
}

.settings-heading {
  color: var(--color-white);
  text-align: center;
  margin: var(--spacing-md) 0;
  font-size: 1.8rem;
  font-weight: 700;
}

.volume-container {
  padding: var(--spacing-md);
}

.volume-heading {
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--color-white);
  font-size: 1.25rem;
  text-align: center;
}

#update-volume {
  width: 75%;
  margin: var(--spacing-sm) 0;
}

.button.fa-plus {
  padding: var(--spacing-sm);
  background: linear-gradient(135deg, var(--color-success) 0%, #05b88a 100%);
}

.button.fa-plus:hover {
  background: linear-gradient(135deg, #05b88a 0%, var(--color-success) 100%);
}

.button.fa-minus {
  padding: var(--spacing-sm);
  background: linear-gradient(135deg, var(--color-warning) 0%, #d62828 100%);
}

.button.fa-minus:hover {
  background: linear-gradient(135deg, #d62828 0%, var(--color-warning) 100%);
}

/* Todo List */
.todo-container {
  --primary-color: var(--color-primary);
  --light-color: var(--color-gray-50);
  --dark-color: var(--color-gray-900);
  --warning-color: var(--color-warning);

  margin: var(--spacing-lg) 0;
  padding: var(--spacing-lg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-weight: 400;
  font-size: 1rem;
  background: var(--color-white);
  color: var(--dark-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  display: grid;
  gap: var(--spacing-sm);
  grid-template-columns: 1fr;
  grid-template-areas:
    "header"
    "lists"
    "active";
  align-items: start;
}

.title {
  grid-area: header;
  text-align: center;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--color-primary-dark);
  font-family: "Happy Monkey", cursive;
}

.all-tasks {
  grid-area: lists;
  background: var(--color-gray-200);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  height: fit-content;
}

.task-list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.task-list-title,
.task-list-count {
  margin: 0 0 var(--spacing-sm) 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: var(--color-primary-light);
  text-decoration-thickness: 2px;
}

.task-list-count {
  font-size: 1.2rem;
}

.task-list {
  font-size: 1.125rem;
  line-height: 1.6;
  list-style: none;
  padding: 0;
  margin: 0 0 var(--spacing-sm) 0;
  flex: 1;
}

.list-name {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--color-gray-700);
}

.list-name:hover {
  background: var(--color-gray-300);
  color: var(--color-primary-dark);
  transform: translateX(3px);
}

.list-name-text {
  flex: 1;
}

.list-action-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
  opacity: 0;
}

.list-name:hover .list-action-btn {
  opacity: 1;
}

.list-action-btn:hover {
  background-color: rgba(255, 255, 255, 0.45);
}

.list-action-btn i {
  color: var(--color-white);
}

.list-name-input {
  flex: 1;
  background: rgba(255, 255, 255, 0.95);
  border: 2px solid var(--color-primary);
  color: var(--color-gray-900);
  font-size: 1.125rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  outline: none;
  font-family: inherit;
}

.active-list {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
}

.active-list:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
}

/* Legal Pad */
.todo-list {
  grid-area: active;
  background: var(--legal-pad-yellow);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

/* Legal pad header */
.todo-header {
  padding: var(--spacing-md) var(--spacing-lg);
  background: linear-gradient(135deg, #8b7355 0%, #6b5847 100%);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.todo-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  font-family: "Happy Monkey", cursive;
}

.todo-header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* Sort Button */
.sort-button {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: rgba(255, 255, 255, 0.3);
  border: 2px solid rgba(255, 255, 255, 0.6);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition-base);
  font-family: inherit;
}

.sort-button:hover {
  background: rgba(255, 255, 255, 0.45);
  border-color: rgba(255, 255, 255, 0.9);
  transform: translateY(-3px);
}

.sort-button.active {
  background: var(--color-primary);
  border-color: var(--color-primary-light);
  box-shadow: 2px 4px 8px rgba(0, 0, 0, 0.45);
}

.sort-button.active .sort-icon {
  transform: rotate(180deg);
}

.sort-icon {
  font-size: 1.2rem;
  transition: transform var(--transition-base);
  display: inline-block;
}

.sort-text {
  font-size: 0.9rem;
  text-transform: uppercase;
}

.task-count {
  margin: 0;
  font-size: 0.9rem;
  opacity: 0.9;
  background: rgba(255, 255, 255, 0.3);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  border: 2px solid rgba(255, 255, 255, 0.6);
}

/* Legal pad body with lines */
.todo-body {
  padding: var(--spacing-md);
  position: relative;
  background-image: repeating-linear-gradient(
    var(--legal-pad-yellow) 0px,
    var(--legal-pad-yellow) 31px,
    var(--legal-pad-line) 31px,
    var(--legal-pad-line) 32px
  );
  /* margin line */
  border-left: 3px solid var(--legal-pad-margin);
  margin-left: var(--spacing-2xl);
}

.todo-body::before {
  content: "";
  position: absolute;
  left: -3px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--legal-pad-margin);
  box-shadow: 2px 4px 8px rgba(240, 128, 128, 0.75);
}

.tasks {
  padding: 0;
  margin-bottom: var(--spacing-sm);
}

.task {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  cursor: pointer;
  position: relative;
  margin-bottom: var(--spacing-sm);
  padding: var(--spacing-xs) 0;
  flex-wrap: wrap;
}

.task label {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  font-family: "Courier New", Courier, monospace;
  font-size: 1.2rem;
  color: var(--color-gray-900);
  flex: 1;
  min-width: 0;
}

.check[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.custom-checkbox {
  --size: 1.25rem;
  display: inline-block;
  width: var(--size);
  height: var(--size);
  margin-right: var(--spacing-md);
  border: 2px solid var(--color-gray-700);
  border-radius: 4px;
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.task:hover .custom-checkbox {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 6px rgba(74, 124, 89, 0.45);
}

.check[type="checkbox"]:checked + label .custom-checkbox {
  background: var(--color-primary);
  border-color: var(--color-primary);
  position: relative;
}

.check[type="checkbox"]:checked + label .custom-checkbox::after {
  content: "✓";
  position: absolute;
  color: white;
  font-size: 1rem;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.check[type="checkbox"]:checked + label {
  opacity: 0.9;
  text-decoration: line-through;
  text-decoration-color: var(--color-gray-700);
}

.task-actions {
  display: flex;
  gap: var(--spacing-xs);
  margin-left: auto;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.task:hover .task-actions {
  opacity: 1;
}

.task-action-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.task-action-btn:hover {
  background-color: rgba(255, 255, 255, 0.45);
}

.delete-task-btn:hover {
  background-color: rgba(255, 0, 0, 0.6);
}

.task-name-input {
  flex: 1 1 75%;
  background: rgba(255, 255, 255, 0.9);
  border: 2px solid var(--color-primary);
  color: var(--color-gray-900);
  font-size: 1.2rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  outline: none;
  font-family: "Courier New", Courier, monospace;
  margin-left: var(--spacing-md);
}

.task-name-text {
  display: inline;
}

@media (hover: hover) {
  .task-actions {
    opacity: 0;
  }

  .task:hover .task-actions {
    opacity: 1;
  }

  .list-action-btn {
    opacity: 0;
  }

  .list-name:hover .list-action-btn {
    opacity: 1;
  }
}

@media (hover: none) {
  .task-actions {
    opacity: 1;
  }

  .list-action-btn {
    opacity: 1;
  }
}

/* Form Inputs */
.new-task-creator,
form[data-new-list-form] {
  margin-top: var(--spacing-sm);
}

form {
  display: flex;
  gap: var(--spacing-sm);
  align-items: stretch;
}

/* Task Input Group */
.task-input-group {
  display: flex;
  gap: var(--spacing-sm);
  flex: 1;
  align-items: center;
}

.new-input {
  flex: 1;
  background: rgba(255, 255, 255, 0.8);
  border: 2px solid var(--color-gray-300);
  color: var(--dark-color);
  font-size: 1.05rem;
  outline: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.new-input:focus {
  background: var(--color-white);
  border-bottom-color: var(--color-primary);
  box-shadow: 2px 4px 6px 8px rgba(74, 124, 89, 0.3);
}

.new-input::placeholder {
  color: var(--color-gray-700);
  opacity: 0.6;
}

.new-input.list {
  font-family: "Courier New", Courier, monospace;
  font-size: 0.95rem;
}

.priority-select {
  background: rgba(255, 255, 255, 0.9);
  border: 2px solid var(--color-gray-400);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
  font-size: 0.9rem;
  font-family: "Courier New", Courier, monospace;
  cursor: pointer;
  outline: none;
  transition: all var(--transition-base);
  min-width: 100px;
}

.priority-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(74, 124, 89, 0.1);
}

/* Priority Indicator */
.priority-indicator {
  font-size: 1.2rem;
  margin-right: var(--spacing-xs);
  display: inline-flex;
  align-items: center;
  padding-left: var(--spacing-sm);
}

/* Priority styling */
.task-priority-high {
  border-left: 3px solid #ef4444;
}

.task-priority-medium {
  border-left: 3px solid #f59e0b;
}

.task-priority-low {
  border-left: 3px solid #10b981;
}

.task-priority-high:hover {
  background: rgba(239, 68, 68, 0.75);
}

.task-priority-medium:hover {
  background: rgba(245, 158, 11, 0.75);
}

.task-priority-low:hover {
  background: rgba(16, 185, 129, 0.75);
}

.todo-container .button.create {
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  padding: 0;
}

.todo-container .button.create:hover {
  background: var(--color-primary-dark);
  transform: rotate(90deg) scale(1.1);
}

/* Delete Buttons */
.delete-list {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 2px dashed var(--legal-pad-line);
}

.button.delete {
  background: transparent;
  color: var(--color-gray-700);
  border: 2px solid var(--color-gray-300);
  font-size: 0.875rem;
  font-weight: 600;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: none;
}

.button.delete:hover {
  background: var(--color-warning);
  color: var(--color-white);
  border-color: var(--color-warning);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Footer */
.tomato-footer {
  width: fit-content;
  padding: var(--spacing-md);
  text-align: center;
  color: var(--color-primary);
  background-color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
  font-weight: bold;
  max-width: 1400px;
  margin: 0 auto;
  border-radius: var(--radius-md);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: var(--spacing-xl);
  right: var(--spacing-xl);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-width: 400px;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  transform: translateX(calc(100% + var(--spacing-xl)));
  transition: transform var(--transition-base);
  min-width: 300px;
  border-left: 6px solid;
}

.toast-show {
  transform: translateX(0);
}

.toast-icon {
  font-size: 1.5rem;
  font-weight: bold;
  flex-shrink: 0;
}

.toast-message {
  flex: 1;
  font-size: 0.95rem;
  color: var(--color-gray-900);
}

.toast-success {
  border-left-color: var(--color-success);
}

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

.toast-error {
  border-left-color: var(--color-warning);
}

.toast-error .toast-icon {
  color: var(--color-warning);
}

.toast-warning {
  border-left-color: #f59e0b;
}

.toast-warning .toast-icon {
  color: #f59e0b;
}

.toast-info {
  border-left-color: var(--color-primary);
}

.toast-info .toast-icon {
  color: var(--color-primary);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  backdrop-filter: blur(4px);
  animation: fadeIn var(--transition-base);
}

.modal-overlay.hidden {
  display: none;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.modal {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 450px;
  width: 90%;
  max-height: 90vh;
  overflow: auto;
  animation: slideUp 1.2s ease-out;
}

@keyframes slideUp {
  from {
    transform: translateY(50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .modal {
    animation: none !important;
  }
}

.modal-header {
  text-align: center;
  padding: var(--spacing-md);
  border-bottom: 2px solid var(--color-gray-700);
}

.modal-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gray-900);
}

.modal-body {
  padding: var(--spacing-md);
}

.modal-message {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--color-gray-700);
}

.modal-actions {
  padding: var(--spacing-md);
  border-top: 2px solid var(--color-gray-700);
  display: flex;
  justify-content: space-between;
}

.modal-button {
  min-width: 100px;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 1rem;
}

.modal-cancel-button {
  background: var(--color-gray-300);
  color: var(--color-gray-900);
}

.modal-cancel-button:hover {
  color: var(--color-gray-900);
  background: rgba(0, 0, 0, 0.3);
}

.modal-confirm-button {
  background: var(--color-primary);
  color: var(--color-white);
}

.modal-confirm-button:hover {
  background: var(--color-primary-dark);
}

.modal-danger .modal-title {
  color: var(--color-warning);
}

.modal-danger .modal-confirm-button {
  background: linear-gradient(135deg, var(--color-warning) 0%, #d62828 100%);
}

.modal-danger .modal-confirm-button:hover {
  background: linear-gradient(135deg, #d62828 0%, var(--color-warning) 100%);
}

.modal-warning .modal-title {
  color: #f59e0b;
}

.modal-warning .modal-confirm-button {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.modal-warning .modal-confirm-button:hover {
  background: linear-gradient(135deg, #d97706 0%, #f59e0b 100%);
}

.modal-info .modal-title {
  color: var(--color-primary);
}

/* Utility Classes */
.hidden {
  display: none !important;
}

/* Responsive Design */
@media screen and (min-width: 768px) {
  .todo-container {
    grid-template-columns: minmax(250px, 300px) 1fr;
    grid-template-areas:
      "header header"
      "lists active";
  }
}

@media screen and (max-width: 768px) {
  .container {
    flex-direction: column;
  }

  .todo-header {
    flex-direction: column;
  }

  .todo-header-actions {
    width: 100%;
    justify-content: space-between;
  }

  .accordion-wrapper {
    width: 100%;
  }
}

@media screen and (max-width: 480px) {
  .session-div,
  .break-div {
    width: 100%;
  }

  .toast-container {
    top: var(--spacing-md);
    right: var(--spacing-md);
    left: var(--spacing-md);
    max-width: none;
  }

  .toast {
    min-width: auto;
  }
}