/* ============================================
   LOGIN PAGE STYLES - PASTE AT START OF FILE
   ============================================ */

.login-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  transition: opacity 0.3s;
}

.login-container.hidden {
  display: none;
}

.login-box {
  background: var(--color-surface);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  max-width: 400px;
  width: 90%;
  text-align: center;
}

.login-box h1 {
  font-size: 28px;
  margin-bottom: 10px;
  color: var(--color-text);
}

.login-subtitle {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 30px;
}

.login-box .form-group {
  margin-bottom: 20px;
  text-align: left;
}

.login-box label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--color-text);
}

.login-box input {
  width: 100%;
  padding: 12px;
  border: 2px solid var(--color-border);
  border-radius: 6px;
  font-size: 14px;
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color 0.3s;
}

.login-box input:focus {
  outline: none;
  border-color: #667eea;
}

.btn-login {
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  margin-top: 10px;
}

.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.login-hint {
  margin-top: 25px;
  padding: 15px;
  background: var(--color-border);
  border-radius: 6px;
  font-size: 12px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.login-hint code {
  background: var(--color-success);
  color: white;
  padding: 2px 6px;
  border-radius: 3px;
  font-weight: 600;
}

.login-error {
  background: #ffebee;
  color: #c62828;
  padding: 12px;
  border-radius: 6px;
  margin-top: 15px;
  font-size: 14px;
  border-left: 4px solid #c62828;
}

[data-theme="dark"] .login-error {
  background: rgba(198, 40, 40, 0.2);
  color: #ff6b6b;
}

.app-container.hidden {
  display: none;
}

.btn-logout {
  padding: 8px 16px;
  background: #f44336;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn-logout:hover {
  opacity: 0.9;
}

/* ============================================
   EXISTING STYLES CONTINUE BELOW
   ============================================ */

:root {
  --color-bg: #f5f5f5;
  --color-surface: #ffffff;
  --color-text: #333333;
  --color-text-secondary: #666666;
  --color-border: #e0e0e0;
  --color-success: #4caf50;
  --color-success-light: #90ee90;
  --color-chart-green: #8bc34a;
  --color-chart-pink: #e1bee7;
  --color-checkbox-bg: #d0d0d0;
  --color-checkbox-checked: #666666;
  --color-danger: #f44336;
  --color-streak: #ff9800;
  --color-badge-gold: #ffd700;
  --color-badge-silver: #c0c0c0;
  --color-badge-bronze: #cd7f32;
}

/* Dark Mode Colors */
[data-theme="dark"] {
  --color-bg: #1a1a1a;
  --color-surface: #2d2d2d;
  --color-text: #e0e0e0;
  --color-text-secondary: #a0a0a0;
  --color-border: #404040;
  --color-success: #66bb6a;
  --color-success-light: #81c784;
  --color-chart-green: #9ccc65;
  --color-chart-pink: #ce93d8;
  --color-checkbox-bg: #505050;
  --color-checkbox-checked: #a0a0a0;
  --color-danger: #ef5350;
  --color-streak: #ffa726;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
}

body {
  font-family: "Segoe UI", "Roboto", sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  padding: 15px;
  line-height: 1.6;
  overflow-x: hidden;
  max-width: 100vw;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
  max-width: 100%;
  margin: 0 auto;
  overflow-x: hidden;
}

/* Header Section */
.header {
  background: var(--color-surface);
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 20px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s ease;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  flex-wrap: wrap;
  gap: 15px;
}

.header h1 {
  font-size: 24px;
  color: var(--color-text);
}

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

/* Theme Toggle Button */
.theme-toggle {
  padding: 8px 12px;
  background: var(--color-secondary);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  cursor: pointer;
  font-size: 20px;
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  background: var(--color-success-light);
  transform: scale(1.05);
}

.theme-icon {
  display: inline-block;
  transition: transform 0.3s ease;
}

/* Calendar View Toggle */
.calendar-view-toggle {
  display: flex;
  gap: 5px;
  background: var(--color-border);
  padding: 3px;
  border-radius: 6px;
}

.view-toggle-btn {
  padding: 6px 14px;
  background: transparent;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all 0.2s;
}

.view-toggle-btn.active {
  background: var(--color-success);
  color: white;
}

.view-toggle-btn:hover:not(.active) {
  background: rgba(0, 0, 0, 0.05);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 15px;
  margin-top: 15px;
}

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

.stat-label {
  font-size: 11px;
  color: var(--color-text-secondary);
  margin-bottom: 5px;
}

.stat-value {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
}

.progress-bar {
  width: 100%;
  height: 20px;
  background: var(--color-border);
  border-radius: 10px;
  overflow: hidden;
  margin-top: 5px;
}

.progress-fill {
  height: 100%;
  background: var(--color-success);
  transition: width 0.3s ease;
}

/* Streaks & Badges Section */
.streaks-badges-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-bottom: 20px;
}

.streaks-container,
.badges-container {
  background: var(--color-surface);
  padding: 15px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.streak-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
}

.streak-item:last-child {
  border-bottom: none;
}

.streak-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
}

.streak-count {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-streak);
}

.streak-fire {
  font-size: 16px;
  margin-left: 5px;
}

.badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
  gap: 10px;
}

.badge {
  text-align: center;
  padding: 10px;
  border-radius: 8px;
  background: var(--color-border);
  transition: transform 0.2s;
}

.badge.earned {
  background: linear-gradient(135deg, #ffd700, #ffa500);
  animation: badgePulse 2s infinite;
}

.badge:hover {
  transform: scale(1.05);
}

.badge-icon {
  font-size: 24px;
  margin-bottom: 5px;
}

.badge-name {
  font-size: 9px;
  font-weight: 600;
  color: var(--color-text);
}

@keyframes badgePulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.section-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-text);
}

/* Main Layout */
.main-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 20px;
}

/* Calendar Section */
.calendar-section {
  background: var(--color-surface);
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  min-width: 0;
  overflow: hidden;
  transition: background-color 0.3s ease;
}

.month-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  flex-wrap: wrap;
  gap: 10px;
}

.month-title {
  font-size: 22px;
  font-weight: 600;
}

.month-nav {
  display: flex;
  gap: 8px;
}

.month-nav button {
  padding: 6px 12px;
  background: var(--color-success);
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}

.month-nav button:hover {
  opacity: 0.9;
}

/* Calendar Grid */
.calendar-grid {
  overflow-x: auto;
  margin-bottom: 20px;
  max-width: 100%;
}
.calendar-table {
  /* table-layout: fixed !important; */
  width: 100%;
}

.calendar-table td {
  border: 1px solid var(--color-border) !important;
  overflow: hidden;
}
.calendar-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 10px;
  table-layout: auto;
}

.calendar-table th {
  background: var(--color-border);
  padding: 6px 2px;
  text-align: center;
  font-weight: 600;
  border: 1px solid var(--color-border);
  font-size: 9px;
  color: var(--color-text);
}

.calendar-table td {
  padding: 5px 2px;
  text-align: center;
  border: 1px solid var(--color-border);
}

.habit-name {
  text-align: left;
  padding-left: 8px;
  font-weight: 500;
  white-space: nowrap;
  font-size: 10px;
}

.checkbox {
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-border);
  border-radius: 3px;
  display: inline-block;
  cursor: pointer;
  background: var(--color-surface);
  transition: background-color 0.2s, border-color 0.2s;
  flex-shrink: 0;
  vertical-align: middle;
}

.checkbox.checked {
  background: var(--color-checkbox-checked);
  border-color: var(--color-checkbox-checked);
}

.checkbox:hover {
  border-color: var(--color-success);
}

.summary-row {
  background: var(--color-border);
  font-weight: 600;
}

/* Day numbers row styling */
.day-numbers-row {
  background: var(--color-success-light);
  font-weight: 600;
}

.day-numbers-row th {
  background: var(--color-success-light);
  color: var(--color-text);
  font-size: 11px;
  padding: 6px 2px;
  border: 1px solid var(--color-border);
}

.day-number-cell {
  color: var(--color-success);
  font-weight: 700;
  font-size: 10px;
}

/* Chart Section */
.chart-container {
  margin-top: 25px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.chart-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 15px;
}

.chart-title-with-toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  flex-wrap: wrap;
  gap: 10px;
}

.view-toggle {
  display: flex;
  gap: 5px;
  background: var(--color-border);
  padding: 3px;
  border-radius: 6px;
}

.toggle-btn {
  padding: 5px 12px;
  background: transparent;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all 0.2s;
}

.toggle-btn.active {
  background: var(--color-success);
  color: white;
}

.toggle-btn:hover:not(.active) {
  background: rgba(0, 0, 0, 0.05);
}

canvas {
  max-width: 100%;
  height: 180px !important;
}

/* Analysis Sidebar */
.analysis-section {
  background: var(--color-surface);
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  min-width: 0;
  overflow: hidden;
  transition: background-color 0.3s ease;
}

.analysis-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 15px;
}

.analysis-item {
  display: grid;
  grid-template-columns: 35px 35px 1fr;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
  font-size: 11px;
}

.analysis-label {
  font-weight: 500;
  color: var(--color-text-secondary);
}

.analysis-value {
  font-weight: 600;
}

.analysis-bar {
  height: 18px;
  background: var(--color-border);
  border-radius: 9px;
  overflow: hidden;
}

.analysis-bar-fill {
  height: 100%;
  background: var(--color-success);
  transition: width 0.3s ease;
}

/* Mental State Section */
.mental-state {
  margin-top: 25px;
}

.mental-state-grid {
  display: grid;
  grid-template-columns: 90px repeat(auto-fill, minmax(28px, 1fr));
  gap: 4px;
  margin-bottom: 8px;
  overflow-x: auto;
}

.mental-label {
  font-weight: 600;
  font-size: 11px;
  display: flex;
  align-items: center;
}

.mental-value {
  text-align: center;
  padding: 3px;
  font-size: 10px;
  cursor: pointer;
  border-radius: 3px;
  border: 1px solid var(--color-border);
  min-width: 28px;
  background: var(--color-surface);
  color: var(--color-text);
}

.mental-value:hover {
  background: var(--color-border);
}

.day-number {
  text-align: center;
  padding: 3px;
  font-size: 10px;
  font-weight: 600;
  color: var(--color-text-secondary);
  min-width: 28px;
}

/* Habit Setup Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  overflow-y: auto;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--color-surface);
  padding: 25px;
  border-radius: 12px;
  max-width: 480px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  margin: 20px;
  transition: background-color 0.3s ease;
}

.modal-header {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 20px;
}

.habit-input {
  margin-bottom: 15px;
}

.habit-input label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
  font-size: 13px;
}

.habit-input input {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 14px;
  background: var(--color-surface);
  color: var(--color-text);
}

.emoji-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 8px;
  margin-top: 10px;
}

.emoji-option {
  font-size: 22px;
  cursor: pointer;
  text-align: center;
  padding: 6px;
  border-radius: 6px;
  border: 2px solid transparent;
}

.emoji-option:hover {
  background: var(--color-border);
}

.emoji-option.selected {
  border-color: var(--color-success);
  background: var(--color-success-light);
}

.button-group {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.btn {
  flex: 1;
  padding: 11px 20px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

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

.btn-primary:hover {
  opacity: 0.9;
}

.btn-secondary {
  background: var(--color-border);
  color: var(--color-text);
}

.btn-secondary:hover {
  opacity: 0.8;
}

.add-habit-btn {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 56px;
  height: 56px;
  background: var(--color-success);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 30px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s;
  z-index: 100;
}

.add-habit-btn:hover {
  transform: scale(1.1);
}

.remove-habit-btn {
  position: fixed;
  bottom: 90px;
  right: 25px;
  width: 56px;
  height: 56px;
  background: var(--color-danger);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 36px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s;
  z-index: 100;
  line-height: 1;
  padding-bottom: 4px;
}

.remove-habit-btn:hover {
  transform: scale(1.1);
}

.habit-list {
  max-height: 400px;
  overflow-y: auto;
}

.habit-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  margin-bottom: 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-border);
}

.habit-item-name {
  font-size: 15px;
  font-weight: 500;
}

.btn-remove {
  padding: 7px 14px;
  background: var(--color-danger);
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
}

.btn-remove:hover {
  opacity: 0.9;
}

/* Responsive Design */
@media (max-width: 1100px) {
  .main-layout {
    grid-template-columns: 1fr;
  }

  .streaks-badges-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  body {
    padding: 8px;
  }

  .header h1 {
    font-size: 20px;
  }

  .stats-row {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .calendar-table {
    font-size: 9px;
  }

  .checkbox {
    width: 14px;
    height: 14px;
  }

  .add-habit-btn,
  .remove-habit-btn {
    width: 48px;
    height: 48px;
    font-size: 24px;
  }

  .remove-habit-btn {
    bottom: 80px;
  }

  .month-title {
    font-size: 18px;
  }

  .chart-title-with-toggle {
    flex-direction: column;
    align-items: flex-start;
  }
}

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

  .emoji-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}