:root {
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --bg-dark: #0f172a;
  --card-bg: rgba(30, 41, 59, 0.7);
  --border: rgba(148, 163, 184, 0.1);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --danger: #ef4444;
  --success: #10b981;
  --glass-blur: 12px;
}

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

body {
  font-family: "Inter", sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  background-image:
    radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(139, 92, 246, 0.15) 0px, transparent 50%);
  min-height: 100vh;
}

h1,
h2,
h3 {
  font-family: "Outfit", sans-serif;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

header {
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
}

.logo span {
  color: var(--primary);
}

.btn {
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  font-size: 0.9rem;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

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

.btn-outline:hover {
  background: rgba(148, 163, 184, 0.1);
  border-color: var(--text-muted);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
  background: var(--danger);
  color: white;
}

.btn-icon {
  padding: 0.5rem;
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
}

.btn-icon:hover {
  background: rgba(148, 163, 184, 0.1);
  color: var(--text-main);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.hero {
  padding: 4rem 0;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  background: linear-gradient(to right, #fff, var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

main {
  padding: 3rem 0;
}

#manager-content {
  margin-top: 3rem;
}

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

@media (max-width: 900px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.form-section h3,
.list-header h3 {
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
}

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

.input-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.input-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: white;
  font-family: inherit;
  transition: all 0.2s;
}

.input-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.list-header h3 {
  margin-bottom: 0;
}

#link-list {
  list-style: none;
}

.link-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: rgba(15, 23, 42, 0.3);
  border-radius: 10px;
  margin-bottom: 0.75rem;
  transition: transform 0.2s;
  border: 1px solid var(--border);
}

.link-item:hover {
  transform: translateX(4px);
  border-color: rgba(99, 102, 241, 0.3);
}

.link-info {
  overflow: hidden;
}

.link-key {
  font-weight: 600;
  color: var(--primary);
  display: block;
  font-size: 1rem;
}

.link-url {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
  max-width: 300px;
}

.link-actions {
  display: flex;
  gap: 0.5rem;
}

.hidden {
  display: none !important;
}

.loader-container {
  display: flex;
  justify-content: center;
  padding: 3rem 0;
}

.loader {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(99, 102, 241, 0.1);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

#notification-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
}

.notification {
  background: var(--card-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  padding: 1rem 1.5rem;
  border-radius: 10px;
  margin-top: 1rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  gap: 1rem;
  animation: slideIn 0.3s ease-out;
  max-width: 350px;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.notification.success {
  border-left: 4px solid var(--success);
}
.notification.error {
  border-left: 4px solid var(--danger);
}

footer {
  padding: 2rem 0;
  text-align: center;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

footer p {
  color: var(--text-muted);
  font-size: 0.85rem;
}