/* ==================================================== */
/* PREMIUM DESIGN SYSTEM & THEME CONFIG */
/* ==================================================== */
:root {
  --font-main: 'Outfit', 'Sarabun', sans-serif;
  
  /* HSL Color Tokens */
  --hue-primary: 260;
  --hue-secondary: 190;
  --hue-success: 145;
  --hue-warning: 35;
  --hue-danger: 0;

  /* Dark Theme Variables (Default) */
  --bg-primary: #0a0a12;
  --bg-gradient: linear-gradient(135deg, #0a0a12 0%, #121026 100%);
  --panel-bg: rgba(20, 20, 35, 0.65);
  --panel-border: rgba(255, 255, 255, 0.08);
  --text-primary: #f3f3f6;
  --text-secondary: #a0a0ba;
  --text-muted: #6f6f89;
  
  --primary-color: hsl(var(--hue-primary), 85%, 65%);
  --primary-glow: rgba(138, 92, 246, 0.3);
  --secondary-color: hsl(var(--hue-secondary), 90%, 55%);
  
  --success-color: hsl(var(--hue-success), 80%, 50%);
  --warning-color: hsl(var(--hue-warning), 90%, 55%);
  --danger-color: hsl(var(--hue-danger), 85%, 55%);
  
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px rgba(138, 92, 246, 0.15);
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables */
body.light-theme {
  --bg-primary: #f5f6fc;
  --bg-gradient: linear-gradient(135deg, #f5f6fc 0%, #e9ecfd 100%);
  --panel-bg: rgba(255, 255, 255, 0.7);
  --panel-border: rgba(0, 0, 0, 0.06);
  --text-primary: #1e1e2f;
  --text-secondary: #5a5a75;
  --text-muted: #8b8ba3;
  
  --primary-color: hsl(var(--hue-primary), 75%, 55%);
  --primary-glow: rgba(138, 92, 246, 0.15);
  --secondary-color: hsl(var(--hue-secondary), 75%, 45%);
  
  --success-color: hsl(var(--hue-success), 70%, 40%);
  --warning-color: hsl(var(--hue-warning), 80%, 45%);
  --danger-color: hsl(var(--hue-danger), 75%, 50%);
  
  --shadow-md: 0 10px 30px rgba(90, 90, 120, 0.1);
  --shadow-glow: 0 0 20px rgba(138, 92, 246, 0.08);
}

/* ==================================================== */
/* GLOBAL RESET & BASE STYLES */
/* ==================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  background-image: var(--bg-gradient);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  transition: background var(--transition-normal), color var(--transition-normal);
}

/* Background floating abstract shapes */
.bg-shape {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  z-index: -1;
  opacity: 0.15;
  pointer-events: none;
  transition: transform var(--transition-normal);
}
.shape-1 {
  width: 500px;
  height: 500px;
  background: var(--primary-color);
  top: -10%;
  left: -10%;
}
.shape-2 {
  width: 400px;
  height: 400px;
  background: var(--secondary-color);
  bottom: -5%;
  right: -5%;
}
.shape-3 {
  width: 300px;
  height: 300px;
  background: var(--success-color);
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* Glassmorphism card utility */
.glass-card {
  background: var(--panel-bg);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  border: 1px solid var(--panel-border);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

/* Scrollbars styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-sm);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* Common UI Helpers */
.hide {
  display: none !important;
}
.mt-4 {
  margin-top: 1.5rem;
}
.text-muted {
  color: var(--text-muted);
  font-size: 0.85rem;
}
.badge {
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  text-transform: uppercase;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.25rem;
  border-radius: var(--border-radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, #a78bfa 100%);
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px var(--primary-color);
  opacity: 0.95;
}
.btn-secondary-outline {
  background: transparent;
  border-color: var(--text-muted);
  color: var(--text-primary);
}
.btn-secondary-outline:hover {
  background: rgba(255, 255, 255, 0.05);
}
.btn-danger-outline {
  background: transparent;
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--danger-color);
}
.btn-danger-outline:hover {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--danger-color);
}
.btn-block {
  display: flex;
  width: 100%;
}
.icon-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.icon-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

/* Spin animation for spinner */
@keyframes spin {
  to { transform: rotate(360deg); }
}
.fa-spin-slow {
  animation: spin 3s linear infinite;
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-normal);
}
.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.1);
  border-left-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* ==================================================== */
/* LOGIN SCREEN DESIGN */
/* ==================================================== */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.login-card {
  width: 100%;
  max-width: 450px;
  padding: 2.5rem;
}
.login-header {
  text-align: center;
  margin-bottom: 2rem;
}
.login-header .logo-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  font-size: 1.75rem;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  box-shadow: 0 8px 24px rgba(138, 92, 246, 0.3);
}
.login-header h1 {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #fff 30%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.login-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.form-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--panel-border);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  padding: 0.8rem 1rem;
  font-family: var(--font-main);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 10px rgba(138, 92, 246, 0.2);
}
.password-input-wrapper {
  position: relative;
}
.password-input-wrapper input {
  padding-right: 3rem;
}
.toggle-password-btn {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  padding: 0.25rem;
  transition: color var(--transition-fast);
}
.toggle-password-btn:hover {
  color: var(--text-primary);
}
.error-alert {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--danger-color);
  padding: 0.75rem 1rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.login-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--panel-border);
  padding-top: 1.5rem;
}
.login-footer p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.demo-accounts {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.8rem;
  background: rgba(0, 0, 0, 0.15);
  padding: 0.6rem;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--panel-border);
}

/* ==================================================== */
/* MAIN APP WRAPPER */
/* ==================================================== */
.app-container {
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  padding: 1.5rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius-md);
}
.header-logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.header-logo .logo-icon {
  font-size: 1.5rem;
  color: var(--primary-color);
  background: rgba(138, 92, 246, 0.1);
  padding: 0.5rem;
  border-radius: 10px;
}
.header-logo h2 {
  font-size: 1.25rem;
  font-weight: 700;
}
.project-tag {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.user-profile {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-right: 1.25rem;
  border-right: 1px solid var(--panel-border);
}
.user-avatar {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(138, 92, 246, 0.2);
}
.user-info {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.user-name {
  font-size: 0.9rem;
  font-weight: 600;
}
.user-role {
  font-size: 0.7rem;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  align-self: flex-start;
  margin-top: 0.15rem;
}
body.light-theme .user-role {
  background: rgba(0, 0, 0, 0.05);
}

/* ==================================================== */
/* APP VIEW COMMON */
/* ==================================================== */
.view-section {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  animation: fadeIn var(--transition-normal);
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.view-header h1 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.view-header p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 0.25rem;
}

/* ==================================================== */
/* DASHBOARD / ANALYTICS SECTION (MANAGER) */
/* ==================================================== */
.analytics-grid {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 1.5rem;
}
@media (max-width: 992px) {
  .analytics-grid {
    grid-template-columns: 1fr;
  }
}
.card-progress {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.card-progress .card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.card-progress h3 {
  font-size: 1.1rem;
  color: var(--text-secondary);
}
.percentage-label {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--primary-color);
  text-shadow: 0 0 15px var(--primary-glow);
}
.progress-bar-container {
  width: 100%;
  height: 12px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 1rem;
}
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(138, 92, 246, 0.4);
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.progress-stats {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Stats cards row */
.stats-cards-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
@media (max-width: 576px) {
  .stats-cards-row {
    grid-template-columns: repeat(2, 1fr);
  }
}
.stat-card {
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.stat-icon {
  width: 45px;
  height: 45px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}
.stat-info {
  display: flex;
  flex-direction: column;
}
.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
}
.stat-title {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Stat color variants */
.stat-card.todo .stat-icon {
  background: rgba(160, 160, 186, 0.1);
  color: var(--text-secondary);
}
.stat-card.in-progress .stat-icon {
  background: rgba(6, 182, 212, 0.1);
  color: var(--secondary-color);
}
.stat-card.done .stat-icon {
  background: rgba(34, 197, 94, 0.1);
  color: var(--success-color);
}
.stat-card.overdue .stat-icon {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger-color);
}

/* Team Workload & Ratio Bar Charts */
.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
@media (max-width: 768px) {
  .grid-2col {
    grid-template-columns: 1fr;
  }
}
.workload-card, .status-chart-card {
  padding: 1.75rem;
}
.workload-card h3, .status-chart-card h3 {
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}
.workload-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.workload-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.workload-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
}
.workload-name {
  font-weight: 600;
}
.workload-percentage-bar {
  width: 100%;
  height: 6px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
  overflow: hidden;
}
.workload-percentage-fill {
  height: 100%;
  background: var(--primary-color);
  border-radius: 4px;
  transition: width var(--transition-normal);
}

/* Ratio Bar styling */
.chart-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  justify-content: center;
  height: 100%;
}
.ratio-bar {
  width: 100%;
  height: 25px;
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  display: flex;
  background: rgba(0, 0, 0, 0.2);
}
.ratio-segment {
  height: 100%;
  transition: width 0.8s ease;
}
.ratio-todo {
  background-color: var(--text-muted);
}
.ratio-inprogress {
  background-color: var(--secondary-color);
}
.ratio-done {
  background-color: var(--success-color);
}
.chart-legend {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.legend-item {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}
.dot-todo { background-color: var(--text-muted); }
.dot-inprogress { background-color: var(--secondary-color); }
.dot-done { background-color: var(--success-color); }

/* Empty state */
.empty-state {
  color: var(--text-muted);
  text-align: center;
  font-style: italic;
  padding: 1.5rem;
  font-size: 0.9rem;
}

/* ==================================================== */
/* PROJECT WORK TABLE SECTION (MANAGER) */
/* ==================================================== */
.task-list-card {
  padding: 1.5rem 0;
}
.card-title-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem 1rem 1.5rem;
  border-bottom: 1px solid var(--panel-border);
  flex-wrap: wrap;
  gap: 1rem;
}
.card-title-bar h3 {
  font-size: 1.15rem;
}
.filter-controls {
  display: flex;
  gap: 0.75rem;
}
.form-control-inline {
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--panel-border);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  padding: 0.4rem 0.8rem;
  font-family: var(--font-main);
  font-size: 0.85rem;
  cursor: pointer;
}
.form-control-inline:focus {
  outline: none;
  border-color: var(--primary-color);
}
.table-wrapper {
  overflow-x: auto;
  width: 100%;
}
.task-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}
.task-table th, .task-table td {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--panel-border);
}
.task-table th {
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}
.task-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}
body.light-theme .task-table tr:hover td {
  background: rgba(0, 0, 0, 0.01);
}
.task-table td .task-title-cell {
  font-weight: 600;
  cursor: pointer;
  transition: color var(--transition-fast);
}
.task-table td .task-title-cell:hover {
  color: var(--primary-color);
  text-decoration: underline;
}
.task-table td .deadline-cell {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.table-actions {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
}
.action-btn-sm {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.action-btn-sm:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}
.action-btn-sm.edit-btn:hover {
  color: var(--secondary-color);
  border-color: rgba(6, 182, 212, 0.3);
}
.action-btn-sm.delete-btn:hover {
  color: var(--danger-color);
  border-color: rgba(239, 68, 68, 0.3);
}

/* Status badging */
.status-badge-todo {
  background: rgba(160, 160, 186, 0.15);
  color: var(--text-secondary);
  border: 1px solid rgba(160, 160, 186, 0.25);
}
.status-badge-inprogress {
  background: rgba(6, 182, 212, 0.15);
  color: var(--secondary-color);
  border: 1px solid rgba(6, 182, 212, 0.25);
}
.status-badge-done {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success-color);
  border: 1px solid rgba(34, 197, 94, 0.25);
}
.status-badge-overdue {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger-color);
  border: 1px solid rgba(239, 68, 68, 0.25);
}

/* ==================================================== */
/* KANBAN BOARD SYSTEM (STAFF) */
/* ==================================================== */
.kanban-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: flex-start;
  min-height: 550px;
}
@media (max-width: 900px) {
  .kanban-board {
    grid-template-columns: 1fr;
  }
}
.kanban-column {
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--panel-border);
  border-radius: var(--border-radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-height: 80vh;
  overflow-y: auto;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
body.light-theme .kanban-column {
  background: rgba(0, 0, 0, 0.03);
}
.kanban-column.dragover {
  border-color: var(--primary-color);
  background: rgba(138, 92, 246, 0.05);
}
.column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.25rem 0.5rem;
}
.column-title {
  font-weight: 700;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.column-badge {
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 20px;
  color: var(--text-secondary);
}
body.light-theme .column-badge {
  background: rgba(0, 0, 0, 0.06);
}
.indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.indicator.todo { background-color: var(--text-muted); }
.indicator.in-progress { background-color: var(--secondary-color); }
.indicator.done { background-color: var(--success-color); }

.kanban-cards {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 350px;
  padding-bottom: 2rem;
}

/* Kanban Cards styling */
.kanban-card {
  padding: 1.25rem;
  cursor: grab;
  user-select: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: var(--panel-bg);
  box-shadow: var(--shadow-sm);
}
.kanban-card:active {
  cursor: grabbing;
}
.kanban-card.dragging {
  opacity: 0.4;
  border-style: dashed;
}
.kanban-card-title {
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.3;
}
.kanban-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}
.kanban-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 0.6rem;
  font-size: 0.75rem;
}
.kanban-card-date {
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* Kanban quick action controls on cards */
.card-quick-actions {
  display: flex;
  gap: 0.25rem;
}
.quick-move-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--panel-border);
  color: var(--text-secondary);
  border-radius: 4px;
  cursor: pointer;
  padding: 0.15rem 0.35rem;
  font-size: 0.7rem;
  transition: all var(--transition-fast);
}
.quick-move-btn:hover {
  background: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
}

/* Glowing alerts for Deadlines */
@keyframes warning-glow {
  0% { box-shadow: 0 0 5px rgba(249, 115, 22, 0.15); }
  50% { box-shadow: 0 0 15px rgba(249, 115, 22, 0.4); }
  100% { box-shadow: 0 0 5px rgba(249, 115, 22, 0.15); }
}
@keyframes danger-glow {
  0% { box-shadow: 0 0 5px rgba(239, 68, 68, 0.2); }
  50% { box-shadow: 0 0 20px rgba(239, 68, 68, 0.55); }
  100% { box-shadow: 0 0 5px rgba(239, 68, 68, 0.2); }
}
.kanban-card.deadline-warning {
  border-left: 3px solid var(--warning-color);
  animation: warning-glow 3s infinite ease-in-out;
}
.kanban-card.deadline-danger {
  border-left: 3px solid var(--danger-color);
  animation: danger-glow 2s infinite ease-in-out;
}

/* ==================================================== */
/* MODAL SYSTEM (COMMON) */
/* ==================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 5, 10, 0.75);
  backdrop-filter: blur(8px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  animation: modalFadeIn var(--transition-fast) forwards;
}
@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.modal-card {
  width: 100%;
  max-width: 550px;
  padding: 2rem;
  position: relative;
  animation: modalSlideUp var(--transition-fast) forwards;
}
.detail-modal-card {
  max-width: 650px;
}
@keyframes modalSlideUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--panel-border);
}
.modal-header h2 {
  font-size: 1.35rem;
  font-weight: 700;
}
.close-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.close-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}
.grid-2col-form {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
}
@media (max-width: 576px) {
  .grid-2col-form {
    grid-template-columns: 1fr;
  }
}
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 2rem;
  border-top: 1px solid var(--panel-border);
  padding-top: 1.25rem;
}
.required {
  color: var(--danger-color);
}

/* Detail modal styles */
.detail-header-info {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.detail-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  background: rgba(0, 0, 0, 0.15);
  padding: 1rem;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--panel-border);
}
@media (max-width: 576px) {
  .detail-meta-grid {
    grid-template-columns: 1fr;
  }
}
.meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.meta-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
}
.meta-value {
  font-size: 0.9rem;
  font-weight: 600;
}
.editable-desc {
  background: rgba(0, 0, 0, 0.25);
}
.editable-desc:focus {
  background: rgba(0, 0, 0, 0.35);
}
.countdown-alert.urgent {
  color: var(--danger-color);
}

/* Responsive Hide Utilities */
@media (max-width: 768px) {
  .hide-mobile {
    display: none !important;
  }
}

/* ==================================================== */
/* COMMENTS SECTION */
/* ==================================================== */
.comments-section {
  border-top: 1px solid var(--panel-border);
  padding-top: 1.5rem;
}
.comments-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.comments-header h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.comment-count-badge {
  background: var(--primary-color);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 8px var(--primary-glow);
}

/* Comments list */
.comments-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  max-height: 260px;
  overflow-y: auto;
  padding-right: 0.25rem;
  margin-bottom: 1.25rem;
}
.comments-loading {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: center;
  padding: 1rem 0;
}
.comments-empty {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-style: italic;
  text-align: center;
  padding: 1.25rem 0;
  border: 1px dashed var(--panel-border);
  border-radius: var(--border-radius-sm);
}

/* Individual Comment bubble */
.comment-item {
  display: flex;
  gap: 0.75rem;
  animation: fadeIn 0.25s ease;
}
.comment-avatar {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 3px 8px rgba(138, 92, 246, 0.2);
}
.comment-body {
  flex: 1;
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--panel-border);
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) var(--border-radius-sm);
  padding: 0.75rem 1rem;
  position: relative;
}
body.light-theme .comment-body {
  background: rgba(0, 0, 0, 0.04);
}
.comment-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.4rem;
}
.comment-author {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary-color);
}
.comment-time {
  font-size: 0.73rem;
  color: var(--text-muted);
}
.comment-content {
  font-size: 0.88rem;
  color: var(--text-primary);
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}
.comment-delete-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.75rem;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast), background var(--transition-fast);
}
.comment-item:hover .comment-delete-btn {
  display: inline-flex;
}
.comment-delete-btn:hover {
  color: var(--danger-color);
  background: rgba(239, 68, 68, 0.1);
}

/* Add Comment input box */
.add-comment-box {
  border-top: 1px solid var(--panel-border);
  padding-top: 1.25rem;
  margin-top: 0.25rem;
}
.comment-input-row {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}
.comment-user-avatar {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 3px 8px rgba(138, 92, 246, 0.2);
}
.comment-input-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.comment-input-wrapper textarea {
  width: 100%;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--panel-border);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  padding: 0.7rem 1rem;
  font-family: var(--font-main);
  font-size: 0.9rem;
  resize: vertical;
  min-height: 68px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.comment-input-wrapper textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 10px rgba(138, 92, 246, 0.15);
}
.comment-actions-row {
  display: flex;
  justify-content: flex-end;
}
.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
}
.comment-readonly-hint {
  font-size: 0.82rem;
  text-align: center;
  padding: 0.75rem;
  border: 1px dashed var(--panel-border);
  border-radius: var(--border-radius-sm);
}