/* CSS Variables */
:root {
  /* Light mode colors */
  --background: 0 0% 100%;
  --foreground: 240 10% 3.9%;
  --card: 0 0% 100%;
  --card-foreground: 240 10% 3.9%;
  --primary: 240 5.9% 10%;
  --primary-foreground: 0 0% 98%;
  --secondary: 240 4.8% 95.9%;
  --secondary-foreground: 240 5.9% 10%;
  --muted: 240 4.8% 95.9%;
  --muted-foreground: 240 3.8% 46.1%;
  --accent: 240 4.8% 95.9%;
  --accent-foreground: 240 5.9% 10%;
  --border: 240 5.9% 90%;
  --input: 240 5.9% 90%;
  --ring: 240 5.9% 10%;

  /* Category colors */
  --category-client-bg: #22c55e;
  --category-client-border: #0d2818;
  --category-client-card-bg: #dcfce7;
  --category-saas-bg: #8b5cf6;
  --category-saas-border: #2d1b4e;
  --category-saas-card-bg: #ede9fe;
  --category-experiment-bg: #06b6d4;
  --category-experiment-border: #083344;
  --category-experiment-card-bg: #cffafe;
  --category-layoutprototype-bg: #f59e0b;
  --category-layoutprototype-border: #451a03;
  --category-layoutprototype-card-bg: #f59e0b;
  --category-ecom-bg: #3b82f6;
  --category-ecom-border: #0c1e3d;
  --category-ecom-card-bg: #dbeafe;
  --category-internal-bg: #64748b;
  --category-internal-border: #1e293b;
  --category-internal-card-bg: #e2e8f0;
  --category-otherproject-bg: #ec4899;
  --category-otherproject-border: #4a044e;
  --category-otherproject-card-bg: #fce7f3;

  /* Status colors */
  --status-finished-bg: #86efac;
  --status-finished-border: #14532d;
  --status-open-bg: #fde047;
  --status-open-border: #422006;
  --status-overwritten-bg: #c084fc;
  --status-overwritten-border: #3b0764;
  --status-abandoned-bg: #fca5a5;
  --status-abandoned-border: #450a0a;
  --status-notstarted-bg: #cbd5e1;
  --status-notstarted-border: #0f172a;

  /* Result colors */
  --result-success-bg: #6ee7b7;
  --result-success-border: #064e3b;
  --result-mid-bg: #fcd34d;
  --result-mid-border: #451a03;
  --result-fail-bg: #f87171;
  --result-fail-border: #7f1d1d;

  --radius: 0.5rem;
}

[data-theme="dark"] {
  --background: 240 10% 3.9%;
  --foreground: 0 0% 98%;
  --card: 240 10% 3.9%;
  --card-foreground: 0 0% 98%;
  --primary: 0 0% 98%;
  --primary-foreground: 240 5.9% 10%;
  --secondary: 240 3.7% 15.9%;
  --secondary-foreground: 0 0% 98%;
  --muted: 240 3.7% 15.9%;
  --muted-foreground: 240 5% 64.9%;
  --accent: 240 3.7% 15.9%;
  --accent-foreground: 0 0% 98%;
  --border: 240 3.7% 15.9%;
  --input: 240 3.7% 15.9%;
  --ring: 240 4.9% 83.9%;

  /* Category colors for dark mode - brighter solid colors */
  --category-client-card-bg: #1a3a25;
  --category-saas-card-bg: #2d1b4e;
  --category-experiment-card-bg: #083344;
  --category-layoutprototype-card-bg: #7d3030;
  --category-ecom-card-bg: #1e2f4a;
  --category-internal-card-bg: #2d3748;
  --category-otherproject-card-bg: #4a044e;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
  padding: 2rem;
  min-height: 100vh;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
  max-width: 1600px;
  margin: 0 auto;
}

/* Header */
header {
  margin-bottom: 2rem;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  letter-spacing: -0.025em;
}

.subtitle {
  color: hsl(var(--muted-foreground));
  font-size: 1rem;
}

.header-controls {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

/* User info in header */
.user-info-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  background: hsl(var(--secondary));
  border-radius: var(--radius);
  margin-left: 0.5rem;
}

.user-info-header .user-icon {
  display: flex;
  align-items: center;
  color: hsl(var(--muted-foreground));
}

.user-info-header .username {
  font-size: 0.875rem;
  font-weight: 500;
  color: hsl(var(--foreground));
}

.btn-logout {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.375rem;
  background: transparent;
  border: none;
  color: hsl(var(--muted-foreground));
  cursor: pointer;
  border-radius: calc(var(--radius) - 2px);
  transition: all 0.2s;
  text-decoration: none;
}

.btn-logout:hover {
  background: hsl(var(--accent));
  color: hsl(var(--foreground));
}

/* Buttons */
.btn-primary {
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  border: none;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: opacity 0.2s ease;
}

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

.btn-secondary {
  background: hsl(var(--secondary));
  color: hsl(var(--secondary-foreground));
  border: 1px solid hsl(var(--border));
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: background-color 0.2s ease;
}

.btn-secondary:hover {
  background: hsl(var(--accent));
}

.icon-btn {
  background: hsl(var(--secondary));
  border: 1px solid hsl(var(--border));
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease;
}

.icon-btn:hover {
  background: hsl(var(--accent));
}

.icon-btn svg {
  width: 1.25rem;
  height: 1.25rem;
  color: hsl(var(--foreground));
}

/* Tabs */
.tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid hsl(var(--border));
}

.tab-btn {
  background: none;
  border: none;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: hsl(var(--muted-foreground));
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.tab-btn:hover {
  color: hsl(var(--foreground));
}

.tab-btn.active {
  color: hsl(var(--foreground));
  border-bottom-color: hsl(var(--primary));
}

.tab-content {
  display: none;
}

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

/* Controls Bar */
.controls-bar {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  align-items: center;
}

.search-wrapper {
  position: relative;
  flex: 1;
  min-width: 250px;
}

.search-wrapper svg {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1rem;
  height: 1rem;
  color: hsl(var(--muted-foreground));
}

.search-wrapper input {
  width: 100%;
  padding: 0.625rem 0.75rem 0.625rem 2.5rem;
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  font-size: 0.875rem;
}

.search-wrapper input:focus {
  outline: none;
  border-color: hsl(var(--ring));
}

.filter-group {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-dropdown {
  position: relative;
}

.filter-btn {
  background: hsl(var(--secondary));
  border: 1px solid hsl(var(--border));
  padding: 0.625rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: background-color 0.2s ease;
  color: hsl(var(--foreground));
}

.filter-btn svg {
  color: hsl(var(--foreground));
}

.filter-btn:hover {
  background: hsl(var(--accent));
}

.filter-dropdown-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 0.5rem;
  min-width: 200px;
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  z-index: 50;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.filter-dropdown-menu.active {
  display: flex;
}

.filter-dropdown-menu label {
  padding: 0.5rem;
  cursor: pointer;
  border-radius: calc(var(--radius) - 2px);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: background-color 0.2s ease;
}

.filter-dropdown-menu label:hover {
  background: hsl(var(--accent));
}

.filter-dropdown-menu input[type="checkbox"] {
  cursor: pointer;
  accent-color: #22c55e;
  width: 1rem;
  height: 1rem;
}

.view-toggle {
  display: flex;
  gap: 0.25rem;
  background: hsl(var(--secondary));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 0.25rem;
}

.view-btn {
  background: none;
  border: none;
  width: 2rem;
  height: 2rem;
  border-radius: calc(var(--radius) - 2px);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease;
  color: hsl(var(--foreground));
}

.view-btn svg {
  color: hsl(var(--foreground));
}

.view-btn:hover {
  background: hsl(var(--accent));
}

.view-btn.active {
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
}

.view-btn.active svg {
  color: hsl(var(--primary-foreground));
}

/* Active Filters */
.active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: hsl(var(--secondary));
  border-radius: var(--radius);
  border: 1px solid hsl(var(--border));
}

.filter-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.75rem;
  background: #22c55e;
  color: #ffffff;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-tag:hover {
  background: #16a34a;
  transform: scale(1.05);
}

.filter-tag svg {
  width: 0.875rem;
  height: 0.875rem;
  color: #ffffff;
}

/* Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.5rem;
  transition: all 0.3s ease;
}

.grid.list-view {
  grid-template-columns: 1fr;
}

/* Cards */
.card {
  background: hsl(var(--card));
  border: 2px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  position: relative;
}

.card[data-category="clientwork"] {
  background: var(--category-client-card-bg);
  border-color: var(--category-client-bg);
}

.card[data-category="saas"] {
  background: var(--category-saas-card-bg);
  border-color: var(--category-saas-bg);
}

.card[data-category="experiment"] {
  background: var(--category-experiment-card-bg);
  border-color: var(--category-experiment-bg);
}

.card[data-category="ecom"] {
  background: var(--category-ecom-card-bg);
  border-color: var(--category-ecom-bg);
}

.card[data-category="internal"] {
  background: var(--category-internal-card-bg);
  border-color: var(--category-internal-bg);
}

.card[data-category="layoutprototype"] {
  /* background: var(--category-layoutprototype-card-bg); */
  border-color: var(--category-layoutprototype-bg);
}

.card[data-category="otherproject"] {
  background: var(--category-otherproject-card-bg);
  border-color: var(--category-otherproject-bg);
}

.card:hover {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.card.collapsed .card-versions {
  display: none;
}

.card.collapsed .card-metadata {
  display: none;
}

.card.collapsed .card-notes {
  display: none;
}

.card.dragging {
  opacity: 0.5;
  cursor: move;
}

.card-notes {
  padding: 0.75rem 0;
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  line-height: 1.5;
  border-top: 1px solid hsl(var(--border));
  margin-top: 0.5rem;
}

.card-header {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
  color: hsl(var(--foreground));
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.collapse-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  display: inline-flex;
  align-items: center;
  color: hsl(var(--muted-foreground));
  transition: transform 0.2s ease;
}

.card.collapsed .collapse-btn {
  transform: rotate(-90deg);
}

.card-actions {
  display: flex;
  gap: 0.25rem;
}

.card-action-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: calc(var(--radius) - 2px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: hsl(var(--muted-foreground));
  transition: all 0.2s ease;
}

.card-action-btn:hover {
  background: hsl(var(--accent));
  color: hsl(var(--foreground));
}

.card-action-btn svg {
  width: 1rem;
  height: 1rem;
}

.card-action-btn.reorder-btn {
  opacity: 0.6;
}

.card-action-btn.reorder-btn:hover {
  opacity: 1;
}

.card-metadata {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
}

.pill {
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* Category pills */
.pill.category-client {
  background-color: var(--category-client-bg);
  border-color: var(--category-client-border);
  color: var(--category-client-border);
}

.pill.category-saas {
  background-color: var(--category-saas-bg);
  border-color: var(--category-saas-border);
  color: var(--category-saas-border);
}

.pill.category-experiment {
  background-color: var(--category-experiment-bg);
  border-color: var(--category-experiment-border);
  color: var(--category-experiment-border);
}

.pill.category-ecom {
  background-color: var(--category-ecom-bg);
  border-color: var(--category-ecom-border);
  color: var(--category-ecom-border);
}

.pill.category-internal {
  background-color: var(--category-internal-bg);
  border-color: var(--category-internal-border);
  color: var(--category-internal-border);
}

.pill.category-layoutprototype {
  background-color: var(--category-layoutprototype-bg);
  border-color: var(--category-layoutprototype-border);
  color: var(--category-layoutprototype-border);
}

.pill.category-otherproject {
  background-color: var(--category-otherproject-bg);
  border-color: var(--category-otherproject-border);
  color: var(--category-otherproject-border);
}

/* Status pills */
.pill.status-finished {
  background-color: var(--status-finished-bg);
  border-color: var(--status-finished-border);
  color: var(--status-finished-border);
}

.pill.status-open {
  background-color: var(--status-open-bg);
  border-color: var(--status-open-border);
  color: var(--status-open-border);
}

.pill.status-overwritten {
  background-color: var(--status-overwritten-bg);
  border-color: var(--status-overwritten-border);
  color: var(--status-overwritten-border);
}

.pill.status-abandoned {
  background-color: var(--status-abandoned-bg);
  border-color: var(--status-abandoned-border);
  color: var(--status-abandoned-border);
}

.pill.status-notstarted {
  background-color: var(--status-notstarted-bg);
  border-color: var(--status-notstarted-border);
  color: var(--status-notstarted-border);
}

/* Result pills */
.pill.result-notspecified {
  background-color: #e2e8f0;
  border-color: #475569;
  color: #475569;
}

.pill.result-success {
  background-color: var(--result-success-bg);
  border-color: var(--result-success-border);
  color: var(--result-success-border);
}

.pill.result-mid {
  background-color: var(--result-mid-bg);
  border-color: var(--result-mid-border);
  color: var(--result-mid-border);
}

.pill.result-fail {
  background-color: var(--result-fail-bg);
  border-color: var(--result-fail-border);
  color: var(--result-fail-border);
}

.card-versions {
  list-style: none;
}

.card-versions li {
  margin-bottom: 0.5rem;
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.version-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  background: #ffffff;
  color: #000000;
  text-decoration: none;
  border-radius: calc(var(--radius) - 2px);
  border: 1px solid hsl(var(--border));
  transition: all 0.2s ease;
  font-size: 0.875rem;
  font-weight: 500;
  flex: 1;
}

[data-theme="dark"] .version-link {
  background: #1a1a1a;
  color: #ffffff;
}

.version-link:hover {
  background: #f5f5f5;
  transform: translateX(2px);
}

[data-theme="dark"] .version-link:hover {
  background: #2a2a2a;
}

.version-link::after {
  content: "";
  display: inline-block;
  width: 0.875rem;
  height: 0.875rem;
  margin-left: auto;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23000000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M7 7h10v10'%3E%3C/path%3E%3Cpath d='M7 17 17 7'%3E%3C/path%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0.6;
  transition: opacity 0.2s ease;
}

[data-theme="dark"] .version-link::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M7 7h10v10'%3E%3C/path%3E%3Cpath d='M7 17 17 7'%3E%3C/path%3E%3C/svg%3E");
}

.version-link:hover::after {
  opacity: 1;
}

.drag-handle {
  cursor: grab;
  color: hsl(var(--muted-foreground));
  display: inline-flex;
  align-items: center;
  padding: 0.25rem;
}

.drag-handle:active {
  cursor: grabbing;
}

.list-view .card {
  flex-direction: row;
  align-items: center;
  gap: 1.5rem;
}

.list-view .card-header {
  margin-bottom: 0;
  flex: 1;
}

.list-view .card-metadata {
  margin-bottom: 0;
}

.list-view .card-versions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.list-view .card-versions li {
  margin-bottom: 0;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: hsl(var(--muted-foreground));
}

.empty-state svg {
  width: 4rem;
  height: 4rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: hsl(var(--foreground));
}

.empty-state p {
  margin-bottom: 1.5rem;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  backdrop-filter: blur(4px);
}

.modal.active {
  display: flex;
}

.modal-content {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.modal-large {
  max-width: 900px;
}

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

.modal-header h2 {
  font-size: 1.5rem;
  font-weight: 600;
}

.expand-modal-body {
  padding: 1.5rem;
}

.expand-modal-body .card-metadata {
  margin-bottom: 1.5rem;
}

.expand-modal-body .card-versions {
  margin-top: 1rem;
}

/* Form */
form {
  padding: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  font-size: 0.875rem;
  color: hsl(var(--foreground));
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.625rem 0.75rem;
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  font-size: 0.875rem;
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: hsl(var(--ring));
}

.version-item {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  align-items: center;
}

.version-item input {
  flex: 1;
}

.version-reorder-controls {
  display: flex;
  gap: 0.25rem;
}

.version-reorder-btn {
  background: hsl(var(--secondary));
  border: 1px solid hsl(var(--border));
  width: 1.75rem;
  height: 1.75rem;
  border-radius: calc(var(--radius) - 2px);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: hsl(var(--muted-foreground));
  transition: all 0.2s ease;
  opacity: 0.7;
}

.version-reorder-btn:hover {
  background: hsl(var(--accent));
  color: hsl(var(--foreground));
  opacity: 1;
}

.version-reorder-btn svg {
  width: 0.875rem;
  height: 0.875rem;
}

.version-remove-btn {
  background: hsl(var(--secondary));
  border: 1px solid hsl(var(--border));
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: hsl(var(--foreground));
}

.version-remove-btn:hover {
  background: hsl(var(--accent));
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid hsl(var(--border));
}

/* Footer */
footer {
  margin-top: 4rem;
  text-align: center;
  color: hsl(var(--muted-foreground));
  font-size: 0.875rem;
  padding: 1rem 0;
  border-top: 1px solid hsl(var(--border));
}

/* Responsive */
@media (max-width: 1024px) {
  .grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

@media (max-width: 768px) {
  body {
    padding: 1rem;
  }

  h1 {
    font-size: 2rem;
  }

  .header-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .controls-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .search-wrapper {
    min-width: 100%;
  }

  .filter-group {
    width: 100%;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .list-view .card {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Drag and drop */
.drag-over {
  border: 2px dashed hsl(var(--primary));
  background: hsl(var(--accent));
}

.drop-indicator {
  height: 4px;
  background: hsl(var(--primary));
  border-radius: 2px;
  margin: 0.5rem 0;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.drop-indicator.active {
  opacity: 1;
}