/* Enhanced UI for Zen-Todo
 * This file contains UI/UX improvements for the application
 */

/* ===== GENERAL IMPROVEMENTS ===== */
:root {
  /* Primary Colors - Indigo-based */
  --primary-50: #eef2ff;
  --primary-100: #e0e7ff;
  --primary-200: #c7d2fe;
  --primary-300: #a5b4fc;
  --primary-400: #818cf8;
  --primary-500: #6366f1;
  --primary-600: #4f46e5;
  --primary-700: #4338ca;
  --primary-800: #3730a3;
  --primary-900: #312e81;
  
  /* Secondary/Accent Colors - Teal-based */
  --accent-50: #f0fdfa;
  --accent-100: #ccfbf1;
  --accent-200: #99f6e4;
  --accent-300: #5eead4;
  --accent-400: #2dd4bf;
  --accent-500: #14b8a6;
  --accent-600: #0d9488;
  --accent-700: #0f766e;
  --accent-800: #115e59;
  --accent-900: #134e4a;
  
  /* Earth Tones - Warm neutrals */
  --earth-50: #fafaf9;
  --earth-100: #f5f5f4;
  --earth-200: #e7e5e4;
  --earth-300: #d6d3d1;
  --earth-400: #a8a29e;
  --earth-500: #78716c;
  --earth-600: #57534e;
  --earth-700: #44403c;
  --earth-800: #292524;
  --earth-900: #1c1917;
  
  /* Gray Scale - Stone */
  --gray-50: #fafaf9;
  --gray-100: #f5f5f4;
  --gray-200: #e7e5e4;
  --gray-300: #d6d3d1;
  --gray-400: #a8a29e;
  --gray-500: #78716c;
  --gray-600: #57534e;
  --gray-700: #44403c;
  --gray-800: #292524;
  --gray-900: #1c1917;
  
  /* Mindful Notification Colors */
  --attention: #d97706;  /* Amber-600 - warm attention */
  --caution: #b45309;    /* Amber-700 - deeper attention */
  --present: #0f766e;    /* Teal-700 - today/present focus */
  --future: #6366f1;     /* Indigo-500 - upcoming */
  --neutral: #78716c;    /* Stone-500 - neutral information */
  
  /* Priority Colors - Mindful Productivity */
  --priority-p1: #4338ca; /* Indigo-700 - focused attention */
  --priority-p2: #0f766e; /* Teal-700 - balanced attention */
  --priority-p3: #059669; /* Emerald-600 - gentle awareness */
  --priority-p4: #65a30d; /* Lime-600 - supportive tasks */
  
  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  
  /* Other */
  --border-radius-sm: 4px;
  --border-radius-md: 6px;
  --border-radius-lg: 8px;
  --shadow-sm: 0 1px 2px 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);
  --transition-fast: 0.15s ease;
  --transition-normal: 0.2s ease;
}

/* Base Typography Improvements */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  line-height: 1.2;
}

/* ===== PROJECT LIST STYLING ===== */
.project-list-item {
  display: flex;
  background-color: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  margin-bottom: var(--space-2);
  border-left: 3px solid #4c1d95; /* Purple-900 to match project tag color */
  padding: var(--space-2) var(--space-3);
}

.project-list-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.project-list-item .project-name {
  color: var(--gray-800);
  font-weight: 500;
}

/* Styling for active/selected project */
.project-list-item.active-project {
  background-color: rgba(79, 70, 229, 0.08);
  border-left-width: 4px;
  border-left-color: #6d28d9; /* Purple-700 */
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

html.dark .project-list-item.active-project {
  background-color: rgba(109, 40, 217, 0.15);
  border-left-color: #8b5cf6; /* Purple-500 - brighter in dark mode */
}

html.dark .project-list-item {
  background-color: var(--gray-800);
  border-left-color: #7c3aed; /* Purple-600 for better visibility in dark mode */
}

html.dark .project-list-item .project-name {
  color: var(--gray-100);
}

/* ===== ENHANCED TASK CARDS ===== */
#task-list li {
  display: flex;
  background-color: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  margin-bottom: var(--space-3);
  border-left: 4px solid transparent;
}

#task-list li:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Priority indicators with zen-inspired colors */
#task-list li[data-priority="p1"] {
  border-left-color: var(--priority-p1);
  border-left-width: 5px;
}

#task-list li[data-priority="p2"] {
  border-left-color: var(--priority-p2);
  border-left-width: 5px;
}

#task-list li[data-priority="p3"] {
  border-left-color: var(--priority-p3);
}

#task-list li[data-priority="p4"] {
  border-left-color: var(--priority-p4);
}

/* Task content styling */
.task-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--space-2);
}

.task-title {
  font-weight: 600;
  color: var(--gray-800);
  margin: 0;
}

.task-due-date {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  color: var(--neutral);
  background-color: var(--earth-100);
  padding: 3px 10px;
  border-radius: 12px;
  transition: all var(--transition-fast);
}

.task-due-date .due-date-icon {
  width: 14px;
  height: 14px;
}

/* Overdue - warm amber tone instead of alarming red */
.task-due-date.text-error {
  color: var(--caution);
  background-color: rgba(180, 83, 9, 0.08);
}

/* Today - teal for present focus */
.task-due-date.text-success {
  color: var(--present);
  background-color: rgba(15, 118, 110, 0.08);
}

/* Future dates could also have a special style */
.task-due-date.future {
  color: var(--future);
  background-color: rgba(99, 102, 241, 0.08);
}

.task-tags {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

/* Project tag with a distinct slate blue color to separate from priorities */
.task-project {
  background-color: rgba(79, 70, 229, 0.1);
  color: #4c1d95; /* Purple-900 */
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  transition: all var(--transition-fast);
  border-left: 2px solid #6d28d9; /* Purple-700 */
}

.task-project:hover {
  background-color: rgba(79, 70, 229, 0.15);
}

.task-status {
  background-color: var(--earth-100);
  color: var(--earth-600);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  transition: all var(--transition-fast);
}

.task-status:hover {
  background-color: var(--earth-200);
}

/* Priority-specific tag styles */
.task-status.priority-p1 {
  color: var(--priority-p1);
  background-color: rgba(67, 56, 202, 0.08);
}

.task-status.priority-p2 {
  color: var(--priority-p2);
  background-color: rgba(15, 118, 110, 0.08);
}

.task-status.priority-p3 {
  color: var(--priority-p3);
  background-color: rgba(5, 150, 105, 0.08);
}

.task-status.priority-p4 {
  color: var(--priority-p4);
  background-color: rgba(101, 163, 13, 0.08);
}

/* Task actions */
.task-actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.task-action-btn {
  width: 28px;
  height: 28px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background-color: var(--gray-100);
  color: var(--gray-500);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.task-action-btn svg {
  width: 16px;
  height: 16px;
}

.task-action-btn:hover {
  background-color: var(--gray-200);
  color: var(--gray-700);
}

.task-action-btn.complete-btn:hover {
  background-color: var(--accent-100);
  color: var(--accent-700);
}

.task-action-btn.edit-btn:hover {
  background-color: var(--primary-100);
  color: var(--primary-700);
}

.task-action-btn.delete-btn:hover {
  background-color: #fee2e2;
  color: #b91c1c;
}

/* ===== ENHANCED NOTE CARDS ===== */
#note-list li {
  background-color: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-4);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  margin-bottom: var(--space-4);
  border-left: 4px solid var(--primary-400);
}

#note-list li:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.note-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-3);
}

.note-title {
  font-weight: 600;
  color: var(--gray-800);
  margin: 0;
}

.note-date {
  font-size: 0.75rem;
  color: var(--gray-500);
}

.note-content {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-bottom: var(--space-4);
  line-height: 1.5;
  /* Limit to 3 lines and add ellipsis */
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
}

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

.note-project-tag {
  background-color: #e0e7ff; /* Indigo light */
  color: #4f46e5; /* Indigo dark */
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 12px;
}

/* ===== IMPROVED FORMS ===== */
.input-group {
  margin-bottom: var(--space-4);
}

.input-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: var(--space-1);
}

.input-group input,
.input-group select,
.input-group textarea {
  width: 100%;
  padding: 10px var(--space-3);
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius-md);
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
  outline: none;
}

.required-indicator {
  color: var(--error);
  margin-left: var(--space-1);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--gray-200);
}

.form-row {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.form-col {
  flex: 1;
}

/* ===== IMPROVED BUTTONS ===== */
.btn {
  padding: 8px var(--space-4);
  border-radius: var(--border-radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
}

.btn-primary {
  background-color: var(--primary-500);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-600);
}

.btn-secondary {
  background-color: white;
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
  background-color: var(--gray-100);
}

.btn-danger {
  background-color: white;
  color: var(--error);
  border: 1px solid #fee2e2;
}

.btn-danger:hover {
  background-color: #fee2e2;
}

.btn-success {
  background-color: var(--accent-500);
  color: white;
}

.btn-success:hover {
  background-color: var(--accent-600);
}

.btn-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-md);
  background-color: transparent;
  color: var(--gray-500);
  transition: all var(--transition-fast);
  border: none;
  cursor: pointer;
}

.btn-icon:hover {
  background-color: var(--gray-100);
  color: var(--gray-700);
}

/* ===== DARK MODE REFINEMENTS ===== */
html.dark {
  color-scheme: dark;
}

html.dark #task-list li,
html.dark #note-list li {
  background-color: var(--gray-800);
}

html.dark .task-title,
html.dark .note-title {
  color: var(--gray-100);
}

html.dark .task-content,
html.dark .note-content {
  color: var(--gray-300);
}

html.dark .task-due-date,
html.dark .note-date {
  color: var(--gray-400);
}

html.dark .task-project {
  background-color: #1e3a8a;
  color: #bfdbfe;
}

html.dark .task-status {
  background-color: #065f46;
  color: #a7f3d0;
}

html.dark .note-project-tag {
  background-color: #312e81;
  color: #c7d2fe;
}

html.dark .task-action-btn {
  background-color: var(--gray-700);
  color: var(--gray-400);
}

html.dark .task-action-btn:hover {
  background-color: var(--gray-600);
  color: var(--gray-200);
}

html.dark .task-action-btn.complete-btn:hover {
  background-color: #064e3b;
  color: #a7f3d0;
}

html.dark .task-action-btn.edit-btn:hover {
  background-color: #1e3a8a;
  color: #bfdbfe;
}

html.dark .task-action-btn.delete-btn:hover {
  background-color: #7f1d1d;
  color: #fecaca;
}

html.dark .input-group label {
  color: var(--gray-300);
}

html.dark .input-group input,
html.dark .input-group select,
html.dark .input-group textarea {
  background-color: var(--gray-700);
  border-color: var(--gray-600);
  color: var(--gray-100);
}

html.dark .input-group input:focus,
html.dark .input-group select:focus,
html.dark .input-group textarea:focus {
  border-color: var(--primary-400);
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

html.dark .form-actions {
  border-color: var(--gray-700);
}

html.dark .btn-secondary {
  background-color: var(--gray-700);
  color: var(--gray-300);
  border-color: var(--gray-600);
}

html.dark .btn-secondary:hover {
  background-color: var(--gray-600);
}

html.dark .btn-danger {
  background-color: var(--gray-700);
  color: #ef4444;
  border-color: #7f1d1d;
}

html.dark .btn-danger:hover {
  background-color: #7f1d1d;
}

html.dark .btn-icon {
  color: var(--gray-400);
}

html.dark .btn-icon:hover {
  background-color: var(--gray-700);
  color: var(--gray-200);
}

/* ===== MICROINTERACTIONS ===== */
/* Button press effect */
.btn:active {
  transform: scale(0.98);
}

/* Form field focus visual feedback */
.input-focus-effect {
  position: relative;
}

.input-focus-effect::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--primary-500);
  transition: width 0.3s ease, left 0.3s ease;
}

.input-focus-effect:focus-within::after {
  width: 100%;
  left: 0;
}

/* Checkbox animations */
.animated-checkbox input[type="checkbox"] {
  appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--gray-400);
  border-radius: 4px;
  margin: 0;
  position: relative;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.animated-checkbox input[type="checkbox"]:checked {
  background-color: var(--primary-500);
  border-color: var(--primary-500);
}

.animated-checkbox input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
  width: 4px;
  height: 8px;
  border-right: 2px solid white;
  border-bottom: 2px solid white;
  animation: checkmark 0.2s ease-in-out;
}

@keyframes checkmark {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(45deg) scale(0.8);
  }
  100% {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(45deg) scale(1);
  }
}

/* Toast notifications */
.toast {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--border-radius-md);
  background-color: white;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  z-index: 1000;
  animation: toast-slide-in 0.3s ease-out;
}

.toast.error {
  border-left: 4px solid var(--error);
}

.toast.success {
  border-left: 4px solid var(--success);
}

.toast.info {
  border-left: 4px solid var(--info);
}

.toast.warning {
  border-left: 4px solid var(--warning);
}

.toast-icon {
  flex-shrink: 0;
}

.toast-content {
  flex-grow: 1;
}

.toast-title {
  font-weight: 600;
  margin-bottom: 2px;
}

.toast-message {
  font-size: 0.875rem;
  color: var(--gray-600);
}

.toast-close {
  color: var(--gray-400);
  background: none;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}

@keyframes toast-slide-in {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

html.dark .toast {
  background-color: var(--gray-800);
}

html.dark .toast-message {
  color: var(--gray-400);
}

/* Loading indicators and spinners */
.loader {
  width: 20px;
  height: 20px;
  border: 2px solid var(--gray-200);
  border-top-color: var(--primary-500);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Accessibility focus styles */
:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}