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

:root {
  --color-bg: #f5f7fa;
  --color-surface: #ffffff;
  --color-primary: #4f6df5;
  --color-primary-hover: #3b57d9;
  --color-text: #1a1a2e;
  --color-text-secondary: #6b7280;
  --color-border: #e5e7eb;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 10px 25px rgba(0, 0, 0, 0.1), 0 4px 10px rgba(0, 0, 0, 0.05);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  line-height: 1.5;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: background 0.2s, box-shadow 0.2s, transform 0.1s;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 12px rgba(79, 109, 245, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.btn-outline:hover {
  background: var(--color-surface);
  color: var(--color-text);
}

/* Landing */

.landing {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
  padding: 24px;
}

.landing-content h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.landing-content p {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

/* Dashboard */

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.dashboard-header h1 {
  font-size: 1.25rem;
  font-weight: 600;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

#user-name {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.dashboard-main {
  max-width: 960px;
  margin: 40px auto;
  padding: 0 24px;
}

/* App Grid */

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.app-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s, transform 0.2s;
}

.app-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.app-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
}

.app-icon-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff;
  font-size: 1.25rem;
  font-weight: 600;
}

.app-info {
  flex: 1;
  min-width: 0;
}

.app-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.app-description {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-arrow {
  width: 20px;
  height: 20px;
  color: var(--color-text-secondary);
  flex-shrink: 0;
  opacity: 0;
  transition: opacity 0.2s;
}

.app-card:hover .app-arrow {
  opacity: 1;
}

/* Empty State */

.empty-state {
  text-align: center;
  padding: 64px 24px;
  color: var(--color-text-secondary);
  font-size: 1.05rem;
}

/* Mobile */

@media (max-width: 480px) {
  .landing-content h1 {
    font-size: 1.75rem;
  }

  .dashboard-header {
    padding: 12px 16px;
  }

  .dashboard-header h1 {
    font-size: 1rem;
  }

  .dashboard-main {
    margin: 24px auto;
    padding: 0 16px;
  }

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

.hidden { display:none; }