/* ==========================================================================
   TEAMFLOW CSS STYLING (Premium Dark-Theme & Glassmorphism Design System)
   ========================================================================== */

:root {
  /* Dark color palette */
  --bg-primary: #080c16;
  --bg-secondary: rgba(13, 20, 38, 0.65);
  --bg-card: rgba(22, 31, 58, 0.45);
  --bg-card-hover: rgba(28, 40, 74, 0.6);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(99, 102, 241, 0.5);
  
  /* Text colors */
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-inverse: #0f172a;

  /* Accent colors (Harmony status colors) */
  --color-primary: #6366f1; /* Indigo */
  --color-primary-hover: #4f46e5;
  --color-primary-glow: rgba(99, 102, 241, 0.25);
  
  --color-todo: #f59e0b; /* Amber */
  --color-todo-bg: rgba(245, 158, 11, 0.12);
  --color-todo-border: rgba(245, 158, 11, 0.3);
  
  --color-progress: #3b82f6; /* Blue */
  --color-progress-bg: rgba(59, 130, 246, 0.12);
  --color-progress-border: rgba(59, 130, 246, 0.3);

  --color-done: #10b981; /* Emerald Green */
  --color-done-bg: rgba(16, 185, 129, 0.12);
  --color-done-border: rgba(16, 185, 129, 0.3);

  --color-danger: #f43f5e; /* Rose Red */
  --color-danger-bg: rgba(244, 63, 94, 0.12);
  --color-danger-border: rgba(244, 63, 94, 0.3);

  /* Fonts */
  --font-family: 'Inter', 'Sarabun', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  
  /* Layout constraints */
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  --shadow-premium: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Glow Background Effects */
.bg-glow {
  position: fixed;
  width: 50vw;
  height: 50vw;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.15;
  z-index: -1;
  pointer-events: none;
}

.bg-glow-1 {
  background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
  top: -10%;
  left: -10%;
}

.bg-glow-2 {
  background: radial-gradient(circle, var(--color-progress) 0%, transparent 70%);
  bottom: -10%;
  right: -10%;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.02);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  transition: var(--transition-smooth);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* ==========================================================================
   LAYOUT STRUCTURE
   ========================================================================== */

.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px;
  gap: 24px;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 32px;
  background: var(--bg-secondary);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-premium);
  z-index: 10;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-progress));
  border-radius: var(--border-radius-sm);
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--text-main);
  box-shadow: 0 4px 15px var(--color-primary-glow);
}

.logo-icon i {
  width: 24px;
  height: 24px;
}

.logo-text h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.2;
  background: linear-gradient(to right, var(--text-main), var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-tagline {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Role Selector Dropdown */
.role-selector-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.role-selector-container label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}

.role-selector-container label i {
  width: 16px;
  height: 16px;
}

.custom-select-wrapper {
  position: relative;
  width: 240px;
}

select {
  width: 100%;
  padding: 10px 16px;
  padding-right: 40px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-main);
  font-family: var(--font-family);
  font-size: 0.95rem;
  font-weight: 500;
  appearance: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  backdrop-filter: blur(5px);
}

select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 10px var(--color-primary-glow);
}

select option {
  background-color: #0d1326;
  color: var(--text-main);
  padding: 12px;
}

.select-arrow {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  display: flex;
  align-items: center;
}

.select-arrow i {
  width: 16px;
  height: 16px;
}

/* Main Panels */
.app-main {
  flex-grow: 1;
}

.view-panel {
  display: none;
  flex-direction: column;
  gap: 24px;
  animation: fadeIn 0.4s ease-out forwards;
}

.view-panel.active {
  display: flex;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.view-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.view-title-area .section-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.view-title-area .section-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-family);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-progress));
  color: var(--text-main);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

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

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-color);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--text-muted);
}

.btn-danger {
  background: var(--color-danger-bg);
  border-color: var(--color-danger-border);
  color: var(--color-danger);
}

.btn-danger:hover {
  background: var(--color-danger);
  color: var(--text-main);
  box-shadow: 0 4px 15px rgba(244, 63, 94, 0.3);
}

/* ==========================================================================
   METRICS SECTION (Leader Dashboard)
   ========================================================================== */

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.metric-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--bg-secondary);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-premium);
  transition: var(--transition-smooth);
}

.metric-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.15);
}

.metric-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.25rem;
}

.metric-icon.val-total {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.metric-icon.val-todo {
  background: var(--color-todo-bg);
  color: var(--color-todo);
  border: 1px solid var(--color-todo-border);
}

.metric-icon.val-progress {
  background: var(--color-progress-bg);
  color: var(--color-progress);
  border: 1px solid var(--color-progress-border);
}

.metric-icon.val-done {
  background: var(--color-done-bg);
  color: var(--color-done);
  border: 1px solid var(--color-done-border);
}

.metric-icon.val-overdue {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  border: 1px solid var(--color-danger-border);
}

.metric-info {
  display: flex;
  flex-direction: column;
}

.metric-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.metric-value {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.2;
}

/* ==========================================================================
   CARDS AND DASHBOARD CONTENT
   ========================================================================== */

.dashboard-details {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.content-card {
  background: var(--bg-secondary);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-premium);
  overflow: hidden;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 16px;
}

.card-header h3 {
  font-size: 1.15rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-header h3 i {
  color: var(--color-primary);
  width: 20px;
  height: 20px;
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Search Box styling */
.search-box {
  position: relative;
  width: 200px;
}

.search-box i {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 16px;
  height: 16px;
}

.search-box input {
  width: 100%;
  padding: 8px 16px;
  padding-left: 36px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-main);
  font-family: var(--font-family);
  font-size: 0.85rem;
  transition: var(--transition-smooth);
}

.search-box input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.08);
}

/* Table styles */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th, td {
  padding: 16px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

th {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.5px;
}

td {
  font-size: 0.95rem;
}

tr:last-child td {
  border-bottom: none;
}

/* Team Summary Table Specific */
.team-summary-table tbody tr {
  transition: var(--transition-smooth);
}

.team-summary-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* Progress bar in table */
.progress-bar-container {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 180px;
}

.progress-track {
  flex-grow: 1;
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(to right, var(--color-primary), var(--color-done));
  border-radius: 4px;
  width: 0%;
  transition: width 0.6s ease-out;
}

.progress-text {
  font-size: 0.85rem;
  font-weight: 600;
  width: 35px;
  text-align: right;
}

/* Tasks Table (Leader View) Specific */
.cell-task-name {
  font-weight: 600;
  max-width: 300px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cell-task-desc {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-top: 4px;
  max-width: 280px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Member avatar/badge */
.member-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}

.member-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f472b6, var(--color-primary));
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--text-main);
  font-size: 0.75rem;
  font-weight: 700;
}

.member-badge-manee .member-avatar {
  background: linear-gradient(135deg, #f472b6, #ec4899);
}

.member-badge-wichai .member-avatar {
  background: linear-gradient(135deg, #60a5fa, #3b82f6);
}

.member-badge-somchai .member-avatar {
  background: linear-gradient(135deg, #34d399, #059669);
}

/* Status Badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
}

.status-badge.status-todo {
  background: var(--color-todo-bg);
  color: var(--color-todo);
  border: 1px solid var(--color-todo-border);
}

.status-badge.status-inprogress {
  background: var(--color-progress-bg);
  color: var(--color-progress);
  border: 1px solid var(--color-progress-border);
}

.status-badge.status-done {
  background: var(--color-done-bg);
  color: var(--color-done);
  border: 1px solid var(--color-done-border);
}

/* Deadline styles */
.deadline-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 500;
}

.deadline-badge i {
  width: 14px;
  height: 14px;
  color: var(--text-muted);
}

.deadline-overdue {
  color: var(--color-danger);
  font-weight: 600;
}

.deadline-overdue i {
  color: var(--color-danger);
}

/* Action button in tables */
.btn-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--border-radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  display: inline-flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--text-main);
  color: var(--text-main);
}

/* Empty data state placeholder */
.no-data-placeholder {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}

.no-data-placeholder i {
  width: 48px;
  height: 48px;
  margin-bottom: 12px;
  stroke-width: 1.5;
}

.no-data-placeholder p {
  font-size: 0.95rem;
}

/* ==========================================================================
   KANBAN BOARD SECTION
   ========================================================================== */

.kanban-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.kanban-column {
  background: var(--bg-secondary);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-premium);
  display: flex;
  flex-direction: column;
  max-height: 80vh;
}

.column-header {
  display: flex;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  gap: 10px;
}

.column-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.column-dot.dot-todo { background-color: var(--color-todo); }
.column-dot.dot-inprogress { background-color: var(--color-progress); }
.column-dot.dot-done { background-color: var(--color-done); }

.column-header h3 {
  font-size: 0.95rem;
  font-weight: 600;
  flex-grow: 1;
}

.task-count-badge {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 2px 10px;
  font-size: 0.8rem;
  font-weight: 600;
}

.column-cards-container {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
  min-height: 250px;
}

.column-cards-container.drag-over {
  background: rgba(99, 102, 241, 0.05);
  outline: 2px dashed var(--color-primary);
  border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
}

/* Kanban Task Card */
.task-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 16px;
  cursor: grab;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.task-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.15);
  background: var(--bg-card-hover);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.task-card:active {
  cursor: grabbing;
}

.task-card.dragging {
  opacity: 0.4;
  transform: scale(0.96);
  border: 1px dashed var(--color-primary);
}

.card-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.task-card-title {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.3;
}

.btn-card-edit {
  color: var(--text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: var(--transition-smooth);
}

.btn-card-edit:hover {
  color: var(--text-main);
}

.task-card-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 4px;
}

/* Inline Card Navigation Controls (for Mobile/No-drag accessibility) */
.card-nav-controls {
  display: flex;
  gap: 4px;
}

.btn-nav {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  font-size: 0.7rem;
  transition: var(--transition-smooth);
}

.btn-nav:hover {
  background: var(--color-primary);
  color: var(--text-main);
  border-color: var(--color-primary);
}

/* ==========================================================================
   MODAL WINDOW (Task Modal)
   ========================================================================== */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(4, 6, 12, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 100;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: #0d1428;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--border-radius-md);
  width: 100%;
  max-width: 550px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  overflow: hidden;
  transform: translateY(-20px);
  transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 1.15rem;
  font-weight: 600;
}

.btn-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 4px;
  transition: var(--transition-smooth);
}

.btn-close:hover {
  color: var(--text-main);
  transform: rotate(90deg);
}

.modal-body {
  padding: 24px;
}

/* Forms styling */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

.form-group label .required {
  color: var(--color-danger);
}

.form-row {
  display: flex;
  gap: 16px;
}

.col-6 {
  flex: 0 0 calc(50% - 8px);
}

input[type="text"],
textarea,
input[type="date"] {
  width: 100%;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-main);
  font-family: var(--font-family);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

input[type="text"]:focus,
textarea:focus,
input[type="date"]:focus {
  outline: none;
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 8px var(--color-primary-glow);
}

textarea {
  resize: vertical;
}

input[readonly] {
  opacity: 0.7;
  cursor: not-allowed;
}

.form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 28px;
}

.form-actions-right {
  display: flex;
  gap: 12px;
  margin-left: auto;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.app-footer {
  text-align: center;
  padding: 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  margin-top: 24px;
}

/* ==========================================================================
   RESPONSIVE DESIGN (Media Queries)
   ========================================================================== */

@media (max-width: 1024px) {
  .kanban-board {
    gap: 16px;
  }
}

@media (max-width: 768px) {
  .app-header {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    padding: 16px 20px;
  }
  
  .role-selector-container {
    justify-content: space-between;
  }
  
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .kanban-board {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .kanban-column {
    max-height: 500px;
  }

  .form-row {
    flex-direction: column;
    gap: 0;
  }
  
  .col-6 {
    flex: 0 0 100%;
  }

  .view-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .btn-add-task {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  
  .app-container {
    padding: 12px;
  }
}