/* ==========================================================================
   ApexFlow Design System & Core Stylesheet
   Modern Glassmorphism, Deep Obsidian Dark Palette, Smooth Micro-Animations
   ========================================================================== */

:root {
  /* Core Color Palette */
  --bg-base: #070A11;
  --bg-primary: #0A0E1A;
  --bg-secondary: #0F172A;
  --bg-surface: #141E33;
  --bg-surface-elevated: #1B2744;
  --bg-glass: rgba(16, 24, 44, 0.72);
  --bg-glass-hover: rgba(22, 33, 60, 0.82);
  --bg-glass-modal: rgba(13, 19, 36, 0.94);

  /* Glass Borders & Shadows */
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-active: rgba(99, 102, 241, 0.4);
  --border-glow: rgba(99, 102, 241, 0.2);
  --shadow-subtle: 0 4px 20px -2px rgba(0, 0, 0, 0.4);
  --shadow-elevated: 0 12px 35px -5px rgba(0, 0, 0, 0.6), 0 0 20px rgba(99, 102, 241, 0.08);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.28);

  /* Vibrant Accents */
  --primary-indigo: #6366F1;
  --primary-indigo-hover: #4F46E5;
  --primary-indigo-dim: rgba(99, 102, 241, 0.15);
  
  --accent-purple: #8B5CF6;
  --accent-purple-dim: rgba(139, 92, 246, 0.15);

  --accent-cyan: #06B6D4;
  --accent-cyan-dim: rgba(6, 182, 212, 0.15);

  --accent-emerald: #10B981;
  --accent-emerald-dim: rgba(16, 185, 129, 0.15);

  --accent-amber: #F59E0B;
  --accent-amber-dim: rgba(245, 158, 11, 0.15);

  --accent-rose: #F43F5E;
  --accent-rose-dim: rgba(244, 63, 94, 0.15);

  /* Typography Colors */
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-dim: #475569;

  /* Priority Flag Colors */
  --p1-urgent: #EF4444;
  --p1-bg: rgba(239, 68, 68, 0.14);
  --p2-high: #F97316;
  --p2-bg: rgba(249, 115, 22, 0.14);
  --p3-medium: #3B82F6;
  --p3-bg: rgba(59, 130, 246, 0.14);
  --p4-low: #6B7280;
  --p4-bg: rgba(107, 114, 128, 0.14);

  /* Layout & Sizing */
  --header-height: 72px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Base Reset & Typography */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-base);
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(99, 102, 241, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 25%, rgba(6, 182, 212, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 50% 90%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Utility Helpers */
.text-gradient {
  background: linear-gradient(135deg, #818CF8 0%, #C084FC 50%, #38BDF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.text-emerald { color: var(--accent-emerald) !important; }
.text-indigo { color: var(--primary-indigo) !important; }
.text-cyan { color: var(--accent-cyan) !important; }
.text-amber { color: var(--accent-amber) !important; }
.text-purple { color: var(--accent-purple) !important; }
.text-rose { color: var(--accent-rose) !important; }
.text-right { text-align: right; }
.font-semibold { font-weight: 600; }

.bg-emerald-dim { background: var(--accent-emerald-dim); color: var(--accent-emerald); }
.bg-indigo-dim { background: var(--primary-indigo-dim); color: var(--primary-indigo); }
.bg-cyan-dim { background: var(--accent-cyan-dim); color: var(--accent-cyan); }
.bg-amber-dim { background: var(--accent-amber-dim); color: var(--accent-amber); }

.bg-emerald-gradient { background: linear-gradient(90deg, #10B981, #059669); }
.bg-indigo-gradient { background: linear-gradient(90deg, #6366F1, #8B5CF6); }
.bg-cyan-gradient { background: linear-gradient(90deg, #06B6D4, #3B82F6); }

/* Glass Card Base Style */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-subtle);
  transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth), transform var(--transition-smooth);
}

.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

/* ==========================================================================
   App Header & Navigation
   ========================================================================== */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  padding: 0 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(7, 10, 17, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  user-select: none;
}

.logo-icon-wrap {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #6366F1, #8B5CF6);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.4);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
}

.logo-badge {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
}

/* Nav Segmented Control */
.nav-segmented-control {
  display: flex;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 4px;
  gap: 4px;
}

.nav-segment-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.nav-segment-btn i {
  width: 16px;
  height: 16px;
}

.nav-segment-btn:hover {
  color: var(--text-primary);
}

.nav-segment-btn.active {
  background: linear-gradient(135deg, #6366F1 0%, #4F46E5 100%);
  color: #fff;
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.35);
}

.admin-indicator-pill {
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  font-weight: 700;
  text-transform: uppercase;
}

/* Focus Pill in Header */
.focus-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--bg-surface);
  border: 1px solid rgba(99, 102, 241, 0.3);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.focus-pill-btn:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--primary-indigo);
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.25);
}

.focus-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
}

.focus-dot.pulse {
  animation: pulse-ring 2s infinite ease-out;
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.timer-mini-icon {
  width: 14px;
  height: 14px;
  color: var(--text-secondary);
}

/* Streak Pill */
.streak-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-full);
  color: var(--accent-amber);
  font-size: 0.85rem;
  font-weight: 700;
}

.streak-fire {
  font-size: 1rem;
  animation: flame-bounce 1.5s infinite alternate ease-in-out;
}

@keyframes flame-bounce {
  from { transform: translateY(0) scale(1); }
  to { transform: translateY(-2px) scale(1.1); }
}

/* User Profile Menu */
.user-profile-menu {
  position: relative;
}

.user-profile-btn {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.user-profile-btn:hover {
  background: rgba(255, 255, 255, 0.05);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary-indigo);
}

.user-meta {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.user-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.user-role-badge {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.dropdown-chevron {
  width: 16px;
  height: 16px;
  color: var(--text-secondary);
}

.dropdown-card {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 260px;
  background: var(--bg-glass-modal);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-elevated);
  padding: 0.75rem;
  display: none;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 200;
  animation: dropdown-fade-in 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.dropdown-card.show {
  display: flex;
}

@keyframes dropdown-fade-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.dropdown-header {
  padding: 0.25rem 0.5rem;
}

.dropdown-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.user-switch-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 220px;
  overflow-y: auto;
}

.user-switch-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem;
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--text-primary);
  width: 100%;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: background var(--transition-fast);
}

.user-switch-item:hover {
  background: var(--bg-surface-elevated);
}

.user-switch-item.active {
  background: var(--primary-indigo-dim);
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.user-switch-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
}

.user-switch-info {
  display: flex;
  flex-direction: column;
}

.user-switch-name {
  font-size: 0.8rem;
  font-weight: 600;
}

.user-switch-role {
  font-size: 0.68rem;
  color: var(--text-muted);
}

.dropdown-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 0.25rem 0;
}

.dropdown-item-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem;
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.8rem;
  cursor: pointer;
  font-family: inherit;
}

.dropdown-item-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.dropdown-item-btn i {
  width: 16px;
  height: 16px;
}

/* ==========================================================================
   Main Content Layout & View Switcher
   ========================================================================== */
.main-content-wrapper {
  max-width: 1560px;
  margin: 0 auto;
  padding: 2rem 1.75rem 4rem;
}

.view-section {
  display: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

.view-section.active-view {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* KPI Banner Grid */
.kpi-banner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.kpi-card {
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 155px;
}

.kpi-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.kpi-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.kpi-icon-pill {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.kpi-icon-pill i {
  width: 18px;
  height: 18px;
}

.kpi-metric-main {
  display: flex;
  flex-direction: column;
  margin-bottom: 0.6rem;
}

.kpi-large-number {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.1;
}

.kpi-subtext {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.kpi-hint {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

/* Productivity Score Circular Gauge Card */
.kpi-score-card {
  background: linear-gradient(145deg, rgba(20, 29, 52, 0.8), rgba(12, 17, 33, 0.9));
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.score-tier-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--primary-indigo-dim);
  color: #818CF8;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.kpi-score-body {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.score-circle-wrap {
  position: relative;
  width: 84px;
  height: 84px;
  flex-shrink: 0;
}

.score-ring-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.score-ring-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.08);
  stroke-width: 8;
}

.score-ring-fill {
  fill: none;
  stroke: url(#scoreGradient);
  stroke: var(--primary-indigo);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 263.89; /* 2 * PI * 42 */
  stroke-dashoffset: 26.38; /* default 90% */
  transition: stroke-dashoffset 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.score-number-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.score-val {
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
}

.score-total {
  font-size: 0.65rem;
  color: var(--text-muted);
}

.score-meta-breakdown {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  flex-grow: 1;
}

.score-metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
}

.metric-label {
  color: var(--text-secondary);
}

.metric-val {
  font-weight: 600;
}

/* Progress Bar Components */
.progress-bar-track {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: 0.4rem;
}

.progress-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.kpi-mini-stat-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: 0.72rem;
  margin-top: 0.3rem;
}

.stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 7px;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
}

.stat-pill i {
  width: 12px;
  height: 12px;
}

/* ==========================================================================
   Two Column Layout (Client View)
   ========================================================================== */
.client-two-column-layout {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 1.5rem;
  align-items: flex-start;
}

/* Left Column: Task Composer & Task List */
.tasks-column-container {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Task Quick Add Form */
.task-composer-card {
  padding: 1.25rem;
  background: linear-gradient(160deg, rgba(20, 30, 55, 0.8), rgba(13, 20, 38, 0.8));
  border: 1px solid rgba(99, 102, 241, 0.25);
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.3);
}

.task-composer-form {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.composer-top-row {
  display: flex;
  gap: 0.75rem;
}

.input-with-icon {
  position: relative;
  flex-grow: 1;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 14px;
  width: 18px;
  height: 18px;
  color: var(--primary-indigo);
}

.modern-input {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem 0.75rem 2.6rem;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: all var(--transition-fast);
}

.modern-input:focus {
  border-color: var(--primary-indigo);
  background: var(--bg-surface-elevated);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.modern-input::placeholder {
  color: var(--text-muted);
}

.composer-options-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.option-pill-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.select-pill-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 0.25rem 0.65rem;
  transition: border-color var(--transition-fast);
}

.select-pill-wrap:focus-within {
  border-color: var(--primary-indigo);
}

.pill-icon {
  width: 14px;
  height: 14px;
  color: var(--text-muted);
}

.pill-select, .pill-date-input {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.78rem;
  outline: none;
  cursor: pointer;
}

.pill-select option {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
}

.pill-date-input {
  color-scheme: dark;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #6366F1 0%, #4F46E5 100%);
  border: none;
  border-radius: var(--radius-md);
  padding: 0.75rem 1.25rem;
  color: #fff;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.65rem 1.1rem;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--bg-surface-elevated);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-danger {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-md);
  padding: 0.65rem 1rem;
  color: #F87171;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.25);
}

.btn-sm {
  padding: 0.45rem 0.8rem;
  font-size: 0.78rem;
}

/* Task List Toolbar */
.task-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.task-filters-scroll {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  overflow-x: auto;
  padding-bottom: 2px;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 0.4rem 0.85rem;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.filter-chip:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.filter-chip.active {
  background: var(--bg-surface-elevated);
  border-color: var(--primary-indigo);
  color: #fff;
}

.filter-count {
  font-size: 0.7rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 1px 6px;
  border-radius: var(--radius-full);
}

.task-search-sort {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.search-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 10px;
  width: 14px;
  height: 14px;
  color: var(--text-muted);
}

.search-input {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.45rem 0.8rem 0.45rem 2rem;
  font-size: 0.8rem;
  color: var(--text-primary);
  outline: none;
  width: 160px;
  transition: all var(--transition-fast);
}

.search-input:focus {
  border-color: var(--primary-indigo);
  width: 200px;
}

.sort-select {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.45rem 0.75rem;
  color: var(--text-secondary);
  font-size: 0.8rem;
  outline: none;
  cursor: pointer;
}

/* Task Cards Container */
.task-cards-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Individual Task Card */
.task-card {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 1rem 1.15rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.task-card:hover {
  background: var(--bg-glass-hover);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

.task-card.is-completed {
  opacity: 0.6;
  background: rgba(14, 21, 38, 0.5);
}

.task-card.is-completed .task-card-title {
  text-decoration: line-through;
  color: var(--text-muted);
}

.task-checkbox-wrap {
  margin-top: 3px;
}

.task-checkbox-custom {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  border: 2px solid var(--border-subtle);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.task-checkbox-custom:hover {
  border-color: var(--accent-emerald);
}

.task-card.is-completed .task-checkbox-custom {
  background: var(--accent-emerald);
  border-color: var(--accent-emerald);
}

.check-icon {
  width: 14px;
  height: 14px;
  color: #fff;
  opacity: 0;
  transform: scale(0.6);
  transition: all var(--transition-fast);
}

.task-card.is-completed .check-icon {
  opacity: 1;
  transform: scale(1);
}

.task-card-body {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.task-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.task-card-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

.task-card-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.task-meta-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
  font-size: 0.72rem;
  margin-top: 2px;
}

/* Priority Badges */
.badge-priority {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.badge-priority.p1 { background: var(--p1-bg); color: var(--p1-urgent); border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-priority.p2 { background: var(--p2-bg); color: var(--p2-high); border: 1px solid rgba(249, 115, 22, 0.3); }
.badge-priority.p3 { background: var(--p3-bg); color: var(--p3-medium); border: 1px solid rgba(59, 130, 246, 0.3); }
.badge-priority.p4 { background: var(--p4-bg); color: var(--p4-low); border: 1px solid rgba(107, 114, 128, 0.3); }

/* Category Tag Badges */
.badge-category {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-weight: 500;
}

.badge-due {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text-muted);
}

.badge-due.is-overdue {
  color: var(--accent-rose);
  font-weight: 600;
}

.badge-subtasks-summary {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  color: var(--accent-cyan);
}

/* Task Actions Row */
.task-actions-col {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

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

.task-action-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.task-action-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.task-action-btn.btn-focus-task {
  color: var(--primary-indigo);
}

.task-action-btn.btn-focus-task:hover {
  background: var(--primary-indigo-dim);
}

.empty-state-box {
  padding: 3rem 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
}

.empty-state-box i {
  width: 48px;
  height: 48px;
  color: var(--text-dim);
}

/* ==========================================================================
   Right Column: Focus Timer & Deep Productivity Analysis
   ========================================================================== */
.analytics-column-container {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Deep Work Timer Card */
.timer-widget-card {
  padding: 1.5rem;
  background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.25) 0%, rgba(16, 24, 44, 0.8) 70%);
  border: 1px solid rgba(99, 102, 241, 0.35);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.timer-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.timer-badge-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

.timer-badge-title i {
  width: 20px;
  height: 20px;
}

.timer-modes-tabs {
  display: flex;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 3px;
  gap: 2px;
}

.timer-mode-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.timer-mode-btn.active {
  background: var(--primary-indigo);
  color: #fff;
}

.timer-countdown-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem 0;
}

.timer-digits {
  font-family: 'JetBrains Mono', monospace;
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: #fff;
  text-shadow: 0 0 25px rgba(99, 102, 241, 0.4);
  line-height: 1;
}

.timer-active-task-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.75rem;
  max-width: 90%;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.link-icon {
  width: 14px;
  height: 14px;
  color: var(--primary-indigo);
  flex-shrink: 0;
}

.timer-actions-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.btn-timer-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #6366F1 0%, #4F46E5 100%);
  border: none;
  border-radius: var(--radius-full);
  padding: 0.75rem 1.75rem;
  color: #fff;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(99, 102, 241, 0.4);
  transition: all var(--transition-fast);
}

.btn-timer-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(99, 102, 241, 0.55);
}

.btn-timer-secondary {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-timer-secondary:hover {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Charts & Widgets Base */
.chart-card, .heatmap-card {
  padding: 1.25rem;
}

.widget-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.widget-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.widget-title-wrap h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.widget-title-wrap i {
  width: 18px;
  height: 18px;
}

.widget-sub {
  font-size: 0.74rem;
  color: var(--text-muted);
}

.chart-canvas-wrapper {
  position: relative;
  width: 100%;
}

.chart-canvas-wrapper canvas {
  width: 100% !important;
  display: block;
}

/* Activity Heatmap Grid */
.heatmap-grid-container {
  display: grid;
  grid-template-columns: repeat(15, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 6px;
  padding: 0.5rem 0 0.75rem;
}

.heatmap-cell {
  aspect-ratio: 1;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  transition: transform var(--transition-fast), filter var(--transition-fast);
  cursor: pointer;
  position: relative;
}

.heatmap-cell:hover {
  transform: scale(1.25);
  z-index: 10;
  filter: brightness(1.2);
}

.heatmap-cell.lvl-0 { background: rgba(255, 255, 255, 0.04); }
.heatmap-cell.lvl-1 { background: rgba(16, 185, 129, 0.25); }
.heatmap-cell.lvl-2 { background: rgba(16, 185, 129, 0.5); }
.heatmap-cell.lvl-3 { background: rgba(16, 185, 129, 0.75); }
.heatmap-cell.lvl-4 { background: #10B981; box-shadow: 0 0 10px rgba(16, 185, 129, 0.4); }

.heatmap-legend {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 5px;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.legend-cell {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

/* Category Breakdown Bars */
.category-breakdown-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.cat-bar-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.cat-bar-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
}

.cat-bar-name {
  color: var(--text-secondary);
  font-weight: 500;
}

.cat-bar-val {
  color: var(--text-primary);
  font-weight: 600;
}

.cat-track {
  width: 100%;
  height: 7px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.07);
  overflow: hidden;
}

.cat-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   VIEW 2: ADMIN MANAGEMENT & OVERSIGHT PORTAL
   ========================================================================== */
.admin-welcome-banner {
  padding: 1.75rem 2rem;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  background: linear-gradient(135deg, rgba(20, 29, 54, 0.85) 0%, rgba(12, 18, 36, 0.95) 100%);
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.welcome-text-side {
  max-width: 650px;
}

.admin-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  padding: 3px 9px;
  border-radius: var(--radius-full);
  font-size: 0.68rem;
  font-weight: 700;
  color: #F87171;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.admin-badge i {
  width: 13px;
  height: 13px;
}

.admin-welcome-banner h2 {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 0.35rem;
}

.admin-welcome-banner p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.admin-quick-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.admin-charts-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

/* User Leaderboard Table Card */
.admin-table-card {
  padding: 1.5rem;
}

.table-header-control-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.table-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.table-title-wrap i {
  width: 28px;
  height: 28px;
}

.table-title-wrap h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.table-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.table-action-filters {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.table-responsive-container {
  overflow-x: auto;
}

.modern-data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 6px;
}

.modern-data-table th {
  text-align: left;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.6rem 0.9rem;
}

.modern-data-table tbody tr {
  background: var(--bg-surface);
  transition: all var(--transition-fast);
}

.modern-data-table tbody tr:hover {
  background: var(--bg-surface-elevated);
  transform: translateY(-1px);
}

.modern-data-table td {
  padding: 0.85rem 0.9rem;
  font-size: 0.84rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.modern-data-table td:first-child {
  border-left: 1px solid var(--border-subtle);
  border-top-left-radius: var(--radius-md);
  border-bottom-left-radius: var(--radius-md);
}

.modern-data-table td:last-child {
  border-right: 1px solid var(--border-subtle);
  border-top-right-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
}

.user-cell {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.rank-number {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-muted);
  width: 20px;
}

.rank-gold { color: #F59E0B; }
.rank-silver { color: #E2E8F0; }
.rank-bronze { color: #D97706; }

.table-user-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
}

.table-user-details {
  display: flex;
  flex-direction: column;
}

.table-user-name {
  font-weight: 600;
  color: var(--text-primary);
}

.table-user-email {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.table-score-badge {
  display: inline-flex;
  align-items: center;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
}

.status-badge.active { background: rgba(16, 185, 129, 0.15); color: #10B981; }
.status-badge.suspended { background: rgba(239, 68, 68, 0.15); color: #EF4444; }

.action-buttons-wrap {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.35rem;
}

.btn-table-action {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-table-action:hover {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   Modals
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 7, 14, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.modal-overlay.open {
  display: flex;
  opacity: 1;
}

.modal-dialog {
  width: 100%;
  max-width: 540px;
  background: var(--bg-glass-modal);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  box-shadow: 0 25px 60px -10px rgba(0, 0, 0, 0.8), 0 0 30px rgba(99, 102, 241, 0.15);
  overflow: hidden;
  animation: modal-pop-up 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-dialog.modal-lg {
  max-width: 760px;
}

@keyframes modal-pop-up {
  from { opacity: 0; transform: scale(0.94) translateY(12px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.modal-title-wrap h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.modal-body-form {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.modern-textarea {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.88rem;
  outline: none;
  resize: vertical;
  transition: all var(--transition-fast);
}

.modern-textarea:focus {
  border-color: var(--primary-indigo);
  background: var(--bg-surface-elevated);
}

/* Subtasks in Modal */
.subtasks-section {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.02);
  padding: 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

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

.subtasks-counter {
  font-size: 0.75rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

.subtasks-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.subtask-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.35rem 0.5rem;
  background: var(--bg-surface);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
}

.subtask-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.subtask-checkbox {
  cursor: pointer;
}

.subtask-delete-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
}

.subtask-delete-btn:hover {
  color: var(--accent-rose);
}

.subtask-add-row {
  display: flex;
  gap: 0.5rem;
}

.input-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.82rem;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.modal-footer-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* User Drill Down Modal Details */
.modal-body-content {
  padding: 1.5rem;
}

.drilldown-header-hero {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.5rem;
}

.drilldown-avatar-large {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 3px solid var(--primary-indigo);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

.drilldown-hero-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.drilldown-hero-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
}

.drilldown-hero-sub {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.drilldown-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.drilldown-stat-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
}

.drilldown-stat-lbl {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.drilldown-stat-val {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 4px;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  pointer-events: none;
}

.toast-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-glass-modal);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(16px);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-elevated);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 500;
  animation: toast-slide-in 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: auto;
}

.toast-item.toast-success { border-color: rgba(16, 185, 129, 0.4); }
.toast-item.toast-info { border-color: rgba(99, 102, 241, 0.4); }
.toast-item.toast-error { border-color: rgba(239, 68, 68, 0.4); }

@keyframes toast-slide-in {
  from { opacity: 0; transform: translateY(12px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1200px) {
  .kpi-banner-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .client-two-column-layout {
    grid-template-columns: 1fr;
  }
  .admin-charts-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .app-header {
    padding: 0 1rem;
    height: auto;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    flex-wrap: wrap;
    gap: 0.75rem;
  }
  .kpi-banner-grid {
    grid-template-columns: 1fr;
  }
  .drilldown-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .admin-welcome-banner {
    flex-direction: column;
    align-items: flex-start;
  }
  .task-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .task-search-sort {
    justify-content: space-between;
  }
  .search-input {
    width: 100%;
  }
  .form-row-2 {
    grid-template-columns: 1fr;
  }
}