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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: #0f172a;
  color: #e2e8f0;
  height: 100vh;
  overflow: hidden;
}

/* Navbar */
nav {
  background: #1e293b;
  border-bottom: 2px solid #334155;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  height: 60px;
  gap: 0.5rem;
}

nav .logo {
  font-size: 1.5rem;
  font-weight: bold;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-right: auto;
}

nav a {
  color: #94a3b8;
  text-decoration: none;
  padding: 0.75rem 1.25rem;
  border-radius: 0.5rem;
  transition: all 0.2s;
  font-weight: 500;
}

nav a:hover {
  background: #334155;
  color: #e2e8f0;
}

nav a.active {
  background: #3b82f6;
  color: white;
}

/* Main Content */
#main-content {
  height: calc(100vh - 60px);
  overflow: hidden;
}

.content-section {
  display: none;
  height: 100%;
  overflow: auto;
}

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

/* Panel Styles */
.panel {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 0.5rem;
}

/* Drive Styles */
.drive-layout {
  display: grid;
  grid-template-columns: 250px 1fr 300px;
  gap: 1rem;
  padding: 1rem;
  height: 100%;
}

.drive-sidebar, .drive-details {
  overflow-y: auto;
}

.drive-main {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.nav-item {
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  border-radius: 0.375rem;
  margin: 0.25rem 0.5rem;
  transition: background 0.2s;
}

.nav-item:hover {
  background: #334155;
}

.nav-item.active {
  background: #3b82f6;
}

.file-list {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
}

.file-item {
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  border-radius: 0.375rem;
  border-bottom: 1px solid #334155;
  transition: background 0.2s;
}

.file-item:hover {
  background: #334155;
}

.file-item.selected {
  background: #1e40af;
}

.file-icon {
  font-size: 2rem;
}

/* Tasks Styles */
.tasks-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
}

.task-input {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.task-input input {
  flex: 1;
  padding: 0.75rem;
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 0.5rem;
  color: #e2e8f0;
  font-size: 1rem;
}

.task-input input:focus {
  outline: none;
  border-color: #3b82f6;
}

.task-input button {
  padding: 0.75rem 1.5rem;
  background: #3b82f6;
  color: white;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.2s;
}

.task-input button:hover {
  background: #2563eb;
}

.task-list {
  list-style: none;
}

.task-item {
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 0.5rem;
  margin-bottom: 0.5rem;
}

.task-item.completed span {
  text-decoration: line-through;
  opacity: 0.5;
}

.task-item input[type="checkbox"] {
  width: 1.25rem;
  height: 1.25rem;
  cursor: pointer;
}

.task-item span {
  flex: 1;
}

.task-item button {
  background: #ef4444;
  color: white;
  border: none;
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  cursor: pointer;
  transition: background 0.2s;
}

.task-item button:hover {
  background: #dc2626;
}

.task-filters {
  display: flex;
  gap: 0.5rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid #334155;
}

.task-filters button {
  padding: 0.5rem 1rem;
  background: #334155;
  color: #e2e8f0;
  border: none;
  border-radius: 0.375rem;
  cursor: pointer;
  transition: all 0.2s;
}

.task-filters button.active {
  background: #3b82f6;
}

/* Mail Styles */
.mail-layout {
  display: grid;
  grid-template-columns: 250px 350px 1fr;
  gap: 1rem;
  padding: 1rem;
  height: 100%;
}

.mail-sidebar, .mail-list, .mail-content {
  overflow-y: auto;
}

.mail-item {
  padding: 1rem;
  cursor: pointer;
  border-bottom: 1px solid #334155;
  transition: background 0.2s;
}

.mail-item:hover {
  background: #334155;
}

.mail-item.unread {
  font-weight: 600;
}

.mail-item.selected {
  background: #1e40af;
}

.mail-content-view {
  padding: 2rem;
}

.mail-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #334155;
}

.mail-body {
  line-height: 1.6;
}

/* Buttons */
button {
  font-family: inherit;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Utility */
h1, h2, h3 {
  margin-bottom: 1rem;
}

.text-sm {
  font-size: 0.875rem;
}

.text-xs {
  font-size: 0.75rem;
}

.text-gray {
  color: #94a3b8;
}

[x-cloak] {
  display: none !important;
}