/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --neon-purple: #00ffff;
  --neon-pink: #0099ff;
  --neon-blue: #00ffff;
  --dark-bg: #0a0a12;
  --darker-purple: #1a0525;
  --text-color: #f0f0f0;
  --glow: 0 0 10px rgba(43, 55, 226, 0.7);
  --glow-intense: 0 0 20px rgba(55, 43, 226, 0.9);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--dark-bg);
  color: var(--text-color);
  overflow-x: hidden;
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--dark-bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid transparent;
  border-top: 4px solid var(--neon-purple);
  border-bottom: 4px solid var(--neon-pink);
  border-radius: 50%;
  animation: spin 1s linear infinite, pulse 2s ease-in-out infinite alternate;
  margin-bottom: 20px;
  box-shadow: var(--glow);
}

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

@keyframes pulse {
  0% { 
    transform: scale(1) rotate(0deg);
    box-shadow: 0 0 10px var(--neon-purple), 0 0 20px var(--neon-pink);
  }
  100% { 
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 0 20px var(--neon-purple), 0 0 40px var(--neon-pink);
  }
}


/* Main App Layout */
.main-app {
  display: grid;
  grid-template-areas: 
    "header header"
    "sidebar main";
  grid-template-columns: 250px 1fr;
  grid-template-rows: 70px 1fr;
  height: 100vh;
  background: var(--dark-bg);
}

.hidden {
  display: none !important;
}

/* Header */
.header {
  grid-area: header;
  background: var(--dark-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--neon-pink);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 30px;
  box-shadow: 0 0 20px rgba(138, 43, 226, 0.2);
  z-index: 10;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 15px;
}

.header-left i {
  font-size: 1.5rem;
  color: var(--neon-purple);
  text-shadow: 0 0 10px var(--neon-purple);
  animation: glow 2s ease-in-out infinite alternate;
}

.header-left h1 {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--neon-purple), var(--neon-pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--neon-purple);
  box-shadow: 0 0 10px var(--neon-purple);
  transition: all 0.3s ease;
}

.user-avatar:hover {
  transform: scale(1.1);
  box-shadow: 0 0 15px var(--neon-pink);
}

.logout-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--neon-purple);
  color: var(--text-color);
  padding: 10px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--glow);
}

.logout-btn:hover {
  background: rgba(255, 0, 0, 0.2);
  border-color: #ff0000;
  box-shadow: 0 0 15px rgba(255, 0, 0, 0.5);
}

/* Sidebar */
.sidebar {
  grid-area: sidebar;
  background: black;
  backdrop-filter: blur(20px);
  border-right: 2px solid var(--neon-pink);
  padding: 30px 0;
}

html[dir="rtl"] .sidebar {
  border-right: none;
  border-left: 2px solid var(--neon-pink);
}

.nav-menu {
  list-style: none;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px 30px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.nav-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, #0099ff6b, transparent);
  transition: all 0.5s ease;
}

.nav-item:hover::before {
  left: 100%;
}

.nav-item:hover {
  border-left-color: var(--neon-purple);
  border-radius: 2.5px;
}

.nav-item.active {
  border-top: 2px solid var(--neon-pink);
  border-bottom: 2px solid var(--neon-pink);
  border-radius: 2.5px;
}

.nav-item i {
  font-size: 1.2rem;
  width: 20px;
  color: var(--neon-purple);
  text-shadow: 0 0 5px var(--neon-purple);
}

.nav-item span {
  font-weight: 500;
  color: var(--text-color);
}

/* Main Content */
.main-content {
  grid-area: main;
  padding: 30px;
  overflow-y: auto;
  background: black;
  position: relative;
}

.main-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 30%, rgba(0, 0, 0, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(0, 0, 0, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.tab-content {
  display: none;
  animation: fadeIn 0.5s ease-out;
}

.tab-content.active {
  display: block;
}

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

/* Dashboard */
.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.dashboard-header h2 {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--neon-purple), var(--neon-pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.timers-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.timers-header h2 {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--neon-purple), var(--neon-pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.date-display {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.05);
  padding: 10px 20px;
  border-radius: 10px;
  backdrop-filter: blur(10px);
  border: 1px solid var(--neon-purple);
  box-shadow: var(--glow);
}

.date-display i {
  color: var(--neon-purple);
  text-shadow: 0 0 5px var(--neon-purple);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.stats-card {
  background: var(--dark-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--neon-purple);
  border-radius: 15px;
  padding: 25px;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: all 0.3s ease;
  box-shadow: var(--glow);
  position: relative;
  overflow: hidden;
}

.stats-card:hover {
  transform: translateY(-5px);
}



.stat-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(138, 43, 226, 0.5);
}

.stat-icon i {
  font-size: 1.5rem;
  color: var(--text-color);
}

.stat-info h3 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: 5px;
  text-shadow: 0 0 5px var(--neon-purple);
}

.stat-info p {
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
}

.dashboard-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.recent-tasks, .upcoming-events {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid var(--neon-purple);
  border-radius: 15px;
  padding: 25px;
  box-shadow: var(--glow);
}

.recent-tasks h3, .upcoming-events h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 20px;
  border-bottom: 1px solid var(--neon-purple);
  padding-bottom: 10px;
}

/* Tasks */
.tasks-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.tasks-header h2 {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--neon-purple), var(--neon-pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.add-btn {
  background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
  color: var(--text-color);
  border: none;
  padding: 12px 25px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
  box-shadow: 0 0 15px rgba(138, 43, 226, 0.5);
  position: relative;
  overflow: hidden;
}

.add-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(138, 43, 226, 0.8);
  animation: pulseBtn 1s infinite alternate;
}

.add-btn::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    to bottom right,
    transparent 45%,
    rgba(255, 255, 255, 0.2) 50%,
    transparent 55%
  );
  animation: shine 3s linear infinite;
}

.task-filters {
  display: flex;
  gap: 10px;
  margin-bottom: 30px;
  margin-left: auto;
  margin-right: auto;
  width: fit-content;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--neon-purple);
  color: var(--text-color);
  padding: 10px 20px;
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
  box-shadow: var(--glow);
}

.filter-btn:hover, .filter-btn.active {
  background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
  border-color: transparent;
  box-shadow: 0 0 15px var(--neon-purple);
  transform: translateY(-2px);
}

.tasks-container {
  display: grid;
  gap: 15px;
}

.task-item {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid var(--neon-purple);
  border-radius: 15px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 15px;
  transition: all 0.3s ease;
  box-shadow: var(--glow);
}

.task-item:hover {
  transform: translateX(5px);
}

.task-checkbox {
  width: 20px;
  height: 20px;
  border: 2px solid var(--neon-purple);
  border-radius: 5px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  box-shadow: 0 0 5px var(--neon-purple);
}

.task-checkbox.completed {
  background: var(--neon-purple);
  box-shadow: 0 0 10px var(--neon-purple);
}

.task-checkbox.completed::after {
  content: '✓';
  color: var(--text-color);
  font-weight: bold;
  text-shadow: 0 0 5px var(--neon-purple);
}

.task-content {
  flex: 1;
}

.task-title {
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 5px;
}

.task-title.completed {
  text-decoration: line-through;
  opacity: 0.6;
}

.task-meta {
  display: flex;
  gap: 15px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

.task-priority {
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
}

.task-priority.high {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
  text-shadow: 0 0 5px rgba(239, 68, 68, 0.7);
}

.task-priority.medium {
  background: rgba(245, 158, 11, 0.2);
  color: #f59e0b;
  text-shadow: 0 0 5px rgba(245, 158, 11, 0.7);
}

.task-priority.low {
  background: rgba(34, 197, 94, 0.2);
  color: #22c55e;
  text-shadow: 0 0 5px rgba(34, 197, 94, 0.7);
}

.task-actions {
  display: flex;
  gap: 10px;
}

.task-action-btn {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--text-color);
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.task-action-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 0 5px var(--neon-purple);
}

/* Language Toggle */
.language-toggle {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--neon-purple);
  color: var(--text-color);
  padding: 8px 15px;
  border-radius: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  margin-right: 15px;
  min-width: 100px;
  box-shadow: var(--glow);
}

.language-toggle:hover {
  background: rgba(138, 43, 226, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 0 15px var(--neon-purple);
}

.language-toggle i {
  font-size: 1rem;
  color: var(--neon-purple);
}

.login-container .language-toggle:hover {
  background: rgba(138, 43, 226, 0.2);
}

/* Calendar */
.calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.calendar-header h2 {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--neon-purple), var(--neon-pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.calendar-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  margin-bottom: 30px;
}

.nav-btn {
  background: black;
  border: 1px solid var(--neon-purple);
  color: var(--text-color);
  padding: 10px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--glow);
}

.nav-btn:hover {
  background: var(--neon-pink);
  transform: scale(1.1);
  box-shadow: 0 0 15px var(--neon-purple);
}

#calendar-month-year {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-color);
  min-width: 200px;
  text-align: center;
  text-shadow: 0 0 5px var(--neon-purple);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  border: 1.5px solid var(--neon-pink);
  background: black;
  border-radius: 15px;
  overflow: hidden;
  margin-bottom: 30px;
  box-shadow: 0 0 10px var(--neon-purple);
}

.calendar-day {
  background: black;
  padding: 15px 10px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  min-height: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  position: relative;
  border: 2.5px solid var(--neon-pink);
}

.calendar-day:hover {
  background: var(--glow-intense);
}

.calendar-day.today {
  background: var(--neon-pink);
  color: var(--text-color);
  font-weight: 600;
  box-shadow: inset 0 0 10px var(--neon-purple);
}

.calendar-day.other-month {
  opacity: 0.3;
}

.calendar-day.has-events {
  border-bottom: 3px solid var(--neon-purple);
}

.calendar-day.has-events::after {
  content: '';
  position: absolute;
  bottom: 5px;
  width: 6px;
  height: 6px;
  background: var(--neon-purple);
  border-radius: 50%;
  box-shadow: 0 0 5px var(--neon-purple);
}

.day-number {
  font-weight: 600;
  margin-bottom: 5px;
}

.day-events {
  font-size: 0.7rem;
  color: var(--neon-blue);
  text-shadow: 0 0 3px var(--neon-blue);
}

.events-sidebar {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid var(--neon-purple);
  border-radius: 15px;
  padding: 25px;
  box-shadow: var(--glow);
}

.events-sidebar h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 20px;
  border-bottom: 1px solid var(--neon-purple);
  padding-bottom: 10px;
}

.event-item {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 15px;
  margin-bottom: 10px;
  border-left: 4px solid var(--neon-purple);
  transition: all 0.3s ease;
}

.event-item:hover {
  transform: translateX(5px);
  box-shadow: 0 0 4px var(--neon-purple);
}

.event-title {
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 5px;
}

.event-time {
  font-size: 0.9rem;
  color: var(--neon-blue);
}

/* Analytics */
.analytics-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

.analytics-header h2 {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--neon-purple), var(--neon-pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.analytics-period select {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--neon-purple);
  color: var(--text-color);
  padding: 10px 15px;
  border-radius: 10px;
  cursor: pointer;
  box-shadow: var(--glow);
}

.analytics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.chart-container {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid var(--neon-purple);
  border-radius: 15px;
  padding: 25px;
  box-shadow: var(--glow);
  transition: all 0.3s ease;
}

.chart-container:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 7.5px var(--neon-purple);
}

.chart-container h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 20px;
  text-align: center;
}

.productivity-metrics {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid var(--neon-purple);
  border-radius: 15px;
  padding: 25px;
  box-shadow: var(--glow);
  transition: all 0.3s ease;
}

.productivity-metrics:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 7.5px var(--neon-purple);
}

.productivity-metrics h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 20px;
}

.metric {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
  border-bottom: 1px solid rgba(138, 43, 226, 0.3);
}

.metric:last-child {
  border-bottom: none;
}

.metric span:first-child {
  color: rgba(255, 255, 255, 0.8);
}

.metric span:last-child {
  font-weight: 600;
  color: var(--neon-purple);
  text-shadow: 0 0 5px var(--neon-purple);
}

/* Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(10px);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: black;
  border: 1px solid var(--neon-pink);
  border-radius: 20px;
  padding: 30px;
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 0 30px var(--neon-pink);
  position: relative;
}

.modal-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 30%, rgba(138, 43, 226, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255, 0, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
  border-radius: 20px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--neon-purple);
}

.modal-header h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-color);
  background: linear-gradient(90deg, var(--neon-purple), var(--neon-pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.close-btn {
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 5px;
  border-radius: 5px;
  transition: all 0.3s ease;
}

.close-btn:hover {
  color: var(--neon-pink);
  transform: rotate(90deg);
  text-shadow: 0 0 10px var(--neon-pink);
}

/* Form Styles */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-color);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: rgba(0, 179, 255, 0.15);
  border: 1px solid var(--neon-purple);
  color: var(--text-color);
  padding: 12px;
  border-radius: 10px;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-shadow: var(--glow);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--neon-blue);
  box-shadow: 0 0 15px var(--neon-blue);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-actions {
  display: flex;
  gap: 15px;
  justify-content: flex-end;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--neon-purple);
}

.cancel-btn {
  background: rgba(0, 179, 255, 0.15);
  border: 1px solid var(--neon-purple);
  color: var(--text-color);
  padding: 12px 25px;
  border-radius: 10px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--glow);
}

.cancel-btn:hover {
  background: rgba(255, 0, 0, 0.2);
  border-color: #ff0000;
  box-shadow: 0 0 15px rgba(255, 0, 0, 0.5);
}

.submit-btn {
  background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
  color: var(--text-color);
  border: none;
  padding: 12px 25px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 0 15px rgba(138, 43, 226, 0.5);
  position: relative;
  overflow: hidden;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(138, 43, 226, 0.8);
}

.submit-btn::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    to bottom right,
    transparent 45%,
    rgba(255, 255, 255, 0.2) 50%,
    transparent 55%
  );
  animation: shine 3s linear infinite;
}

/* Bottom Navigation for Mobile */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: black;
  backdrop-filter: blur(20px);
  padding: 10px 0;
  z-index: 100;
  box-shadow: 0 -2.5px 7.5px var(--neon-pink);
}

.bottom-nav .nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 5px 5px;
  cursor: pointer;
  transition: all 0.3s ease;
  border-radius: 10px;
  margin: 5px;
}

.bottom-nav .nav-item:hover,
.bottom-nav .nav-item.active {
  background: black;
  box-shadow: -1px -1px 5px var(--neon-purple);
}

.bottom-nav .nav-item i {
  font-size: 0.75rem;
  color: var(--neon-purple);
}

.bottom-nav .nav-item span {
  font-size: 0.625rem;
  color: var(--text-color);
  font-weight: 500;
}

.bottom-nav .nav-item.active i {
  color: var(--neon-pink);
  text-shadow: 0 0 10px var(--neon-pink);
}

@media (max-width: 570px) {
    /* Header: Adjusts for smaller screens */
    .header-right .language-toggle {
        padding: 6px 8px;
        font-size: 0.75rem;
    }

    .calendar-day-header {
      max-width: 40px;
      padding: 6px;
      font-size: 0.8rem;
    }
}

@media (max-width: 400px) {

  .language-toggle {
    padding: 5px 7px;
    font-size: 0.6rem;
    margin-left: 10px;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .main-app {
    grid-template-areas: 
      "header"
      "main";
    grid-template-columns: 1fr;
    grid-template-rows: 70px 1fr;
  }
  
  /* Hide the sidebar completely on mobile */
  .sidebar {
    display: none;
  }
  
  /* Add bottom navigation bar */
  .bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.66);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 100;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    padding: 8px 0;
  }
  
  .bottom-nav .nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 5px;
    font-size: 0.7rem;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
  }
  
  .bottom-nav .nav-item i {
    font-size: 1.2rem;
  }
  
  
  .bottom-nav .nav-item:hover {
    color: #ffffff;
  }
  
  /* Adjust main content to account for bottom nav */
  .main-content {
    padding-bottom: 100px;
  }

  html[dir="rtl"] .main-content {
    padding-bottom: 100px;
  }
  
  /* Dashboard adjustments */
  .dashboard-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }
  
  .dashboard-grid {
    grid-template-columns: 1fr 1fr;
    gap: 15px;
  }
  
  .stats-card {
    padding: 15px;
  }
  
  .stat-icon {
    width: 40px;
    height: 40px;
  }
  
  .stat-info h3 {
    font-size: 1.5rem;
  }
  
  .dashboard-content {
    grid-template-columns: 1fr;
  }
  
  /* Task adjustments */
  .tasks-header button, 
  .calendar-header button,
  .analytics-header button,
  .timers-header button{
    transform: scale(0.8);
  }
  
  .task-filters {
    flex-wrap: wrap;
  }
  
  .filter-btn {
    padding: 8px 12px;
    font-size: 0.8rem;
  }
  

  
  .calendar-day {
    min-height: 50px;
    padding: 7px 4px;
  }
  
  /* Modal adjustments */
  .modal-content {
    width: 95%;
    padding: 20px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .stats-card {
    padding: 15px;
  }

  .calendar-day {
    min-height: 40px;
    padding: 5px 3px;
    font-size: 0.7rem;
    max-width: 50px;
  }

  .day-events {
    font-size: 0.6rem;
  }

  .task-item {
    padding: 12px;
  }

  .modal-content {
    margin: 10px;
    padding: 20px;
  }

  .login-container {
    padding: 25px 15px;
    margin: 10px;
  }

  .login-header h1 {
    font-size: 1.8rem;
  }

  .login-header i {
    font-size: 2rem;
  }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  display: none;
  width: 8px;
}

::-webkit-scrollbar-track {
  display: none;
  background: rgba(10, 10, 18, 0.5);
}

::-webkit-scrollbar-thumb {
  display: none;
  background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
  border-radius: 10px;
  box-shadow: 0 0 10px var(--neon-purple);
}

::-webkit-scrollbar-thumb:hover {
  display: none;
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
  box-shadow: 0 0 15px var(--neon-pink);
}

/* Additional Animations */
@keyframes slideInUp {
  from {
    transform: translateY(30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    transform: translateX(-30px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.task-item {
  animation: slideInUp 0.3s ease-out;
}

.nav-item {
  animation: slideInLeft 0.3s ease-out;
}

/* Loading Animation Enhancement */
.loading-screen p {
  color: var(--text-color);
  font-size: 1.1rem;
  font-weight: 500;
  animation: pulse 2s ease-in-out infinite alternate;
}

/* Focus Styles */
button:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--neon-blue);
  outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --neon-purple: #bb86fc;
    --neon-pink: #ff79c6;
    --neon-blue: #8be9fd;
    --text-color: #ffffff;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}


@media (max-width: 680px) {
  .user-info {
    display: none;
  }

  .language-toggle {
    transform: scale(0.9);
    margin-right: -5px;
  }
}

/* Timer Specific Styles */
.timers-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.timer-item {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid var(--neon-blue);
  border-radius: 15px;
  padding: 20px;
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.timer-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
}

.timer-item::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    to bottom right,
    transparent 45%,
    rgba(0, 255, 255, 0.1) 50%,
    transparent 55%
  );
  animation: shine 5s linear infinite;
  z-index: -1;
}

.timer-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--neon-blue);
  text-shadow: 0 0 10px var(--neon-blue);
  margin-bottom: 15px;
  text-align: center;
}

.timer-countdown {
  display: flex;
  justify-content: space-around;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap; /* Allow items to wrap on smaller screens */
}

.countdown-segment {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 5px; /* Add some margin for wrapping */
}

.countdown-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-color);
  text-shadow: 0 0 15px var(--neon-pink);
  background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding: 5px 10px;
  border-radius: 8px;
  animation: pulseText 1.5s infinite alternate;
}

@keyframes pulseText {
  0% { transform: scale(1); text-shadow: 0 0 10px var(--neon-pink); }
  100% { transform: scale(1.05); text-shadow: 0 0 20px var(--neon-pink); }
}

.countdown-label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  margin-top: 5px;
}

.timer-target-date {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  text-align: center;
  margin-bottom: 15px;
}

.timer-actions {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 15px;
}

.timer-action-btn {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--text-color);
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.timer-action-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 0 5px var(--neon-blue);
}

.timer-item.completed-timer {
  opacity: 0.6;
  border-color: var(--neon-pink);
  box-shadow: 0 0 20px rgba(255, 0, 255, 0.3);
}

.timer-item.completed-timer .timer-title {
  text-decoration: line-through;
  color: rgba(255, 255, 255, 0.5);
  text-shadow: none;
}

.timer-item.completed-timer .countdown-value {
  color: rgba(255, 255, 255, 0.5);
  text-shadow: none;
  animation: none;
}

.timer-item.completed-timer .countdown-label {
  color: rgba(255, 255, 255, 0.4);
}

/* For smaller screens, adjust countdown segment size */
@media (max-width: 480px) {
  .countdown-value {
    font-size: 2rem;
  }
  .countdown-label {
    font-size: 0.7rem;
  }
  .timer-title {
    font-size: 1.2rem;
  }
}