@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

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

:root {
  --bg: #0a0a0f;
  --bg-alt: #111118;
  --card: #16161f;
  --card-hover: #1e1e2a;
  --card-border: #2a2a3a;
  --card-border-hover: #3a3a5a;
  --accent: #7cff7c;
  --accent-dim: #4a8f4a;
  --accent-glow: rgba(124, 255, 124, 0.15);
  --text: #e8e8f0;
  --text-dim: #8888a0;
  --text-muted: #555570;
  --danger: #ff4d4d;
  --danger-dim: #cc3333;
  --warning: #ffcc00;
  --info: #4da6ff;
  --success: #7cff7c;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --shadow: 0 2px 20px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 30px var(--accent-glow);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition: 0.2s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(124,255,124,0.03) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(76,167,255,0.03) 0%, transparent 50%);
}

a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: #aaffaa; text-decoration: none; }

/* ===== НАВИГАЦИЯ ===== */
.nav {
  background: rgba(22, 22, 31, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--card-border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 4px;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav .logo {
  font-size: 1.2em;
  font-weight: 800;
  color: var(--accent);
  margin-right: 12px;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav a {
  color: var(--text-dim);
  font-size: 0.88em;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.nav a:hover {
  color: var(--text);
  background: var(--card-hover);
}

.nav a.active {
  color: var(--accent);
  background: var(--accent-glow);
}

.nav .user-info {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-dim);
  font-size: 0.88em;
}

.nav .leaves {
  color: var(--accent);
  font-weight: 700;
  background: var(--accent-glow);
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 0.85em;
}

.nav-avatar { font-size: 1.3em; }
.nav-title { color: var(--accent) !important; font-size: 0.85em !important; }

/* Мобильная навигация */
.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(22, 22, 31, 0.95);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--card-border);
  padding: 6px 0 env(safe-area-inset-bottom);
  z-index: 100;
  justify-content: space-around;
}

.mobile-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: var(--text-dim);
  font-size: 0.65em;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  text-decoration: none;
  min-width: 56px;
}

.mobile-nav a:hover { color: var(--text); background: var(--card-hover); text-decoration: none; }
.mobile-nav a.active { color: var(--accent); }
.mobile-nav a .m-icon { font-size: 1.3em; }

/* ===== КОНТЕЙНЕР ===== */
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}

.container-wide {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}

/* ===== ЗАГОЛОВКИ ===== */
.page-title {
  font-size: 1.8em;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-subtitle {
  color: var(--text-dim);
  font-size: 1em;
  margin-bottom: 24px;
  margin-top: -12px;
}

.section-title {
  font-size: 1.1em;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ===== КАРТОЧКИ ===== */
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--card-border-hover);
  box-shadow: var(--shadow);
}

.card-glass {
  background: rgba(22, 22, 31, 0.6);
  backdrop-filter: blur(12px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px;
}

.card-gradient {
  background: linear-gradient(135deg, var(--card), var(--bg-alt));
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px;
}

.card-accent {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.card h2 {
  margin-bottom: 12px;
  font-size: 1.15em;
  font-weight: 700;
}

.card h3 {
  font-size: 1em;
  font-weight: 600;
  margin-bottom: 6px;
}

/* ===== КНОПКИ ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9em;
  font-weight: 600;
  font-family: var(--font);
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(255,255,255,0.15) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.btn:hover::after { opacity: 1; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #5cee5c);
  color: #000;
  box-shadow: 0 2px 10px rgba(124, 255, 124, 0.2);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(124, 255, 124, 0.3);
  color: #000;
}

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

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

.btn-secondary:hover {
  background: var(--card-border);
  border-color: var(--card-border-hover);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger), var(--danger-dim));
  color: #fff;
}

.btn-danger:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(255, 77, 77, 0.3);
}

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

.btn-ghost:hover {
  background: var(--card-hover);
  color: var(--text);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.82em;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1em;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none !important;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 50%;
  font-size: 1.1em;
}

/* ===== ПОЛЯ ВВОДА ===== */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.input-label {
  font-size: 0.82em;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

input, textarea, select {
  background: var(--bg-alt);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text);
  font-size: 0.95em;
  font-family: var(--font);
  width: 100%;
  outline: none;
  transition: border 0.2s, box-shadow 0.2s;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

input.error, textarea.error {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(255, 77, 77, 0.15);
  animation: shake 0.3s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

.input-with-icon {
  position: relative;
}

.input-with-icon input {
  padding-left: 36px;
}

.input-with-icon .input-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.1em;
}

/* ===== СЕТКА ===== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }

/* ===== ТАБЫ ===== */
.tabs {
  display: flex;
  gap: 2px;
  margin-bottom: 20px;
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
  padding: 3px;
  overflow-x: auto;
}

.tab {
  flex: 1;
  padding: 8px 16px;
  text-align: center;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-dim);
  font-size: 0.9em;
  font-weight: 500;
  white-space: nowrap;
  border: none;
  background: none;
  font-family: var(--font);
}

.tab:hover { color: var(--text); }

.tab.active {
  background: var(--card);
  color: var(--accent);
  box-shadow: 0 1px 8px rgba(0,0,0,0.2);
}

/* ===== МОДАЛКИ ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes modalSlide {
  from { transform: scale(0.95) translateY(10px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

.modal {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  min-width: 320px;
  max-width: 90vw;
  max-height: 85vh;
  overflow-y: auto;
  animation: modalSlide 0.25s ease;
  box-shadow: var(--shadow-lg);
}

.modal h2 { margin-bottom: 16px; font-size: 1.2em; }

/* ===== УВЕДОМЛЕНИЯ ===== */
.notification-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.notification {
  pointer-events: all;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 280px;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
  animation: notifIn 0.3s ease;
  position: relative;
  overflow: hidden;
}

.notification .notif-close {
  margin-left: auto;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.2s;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1em;
  padding: 2px;
}

.notification .notif-close:hover { opacity: 1; }

.notification .notif-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--accent);
  animation: notifBar 3s linear forwards;
}

.notification.error { border-color: var(--danger); }
.notification.error .notif-bar { background: var(--danger); }
.notification.info { border-color: var(--info); }
.notification.info .notif-bar { background: var(--info); }
.notification.warning { border-color: var(--warning); color: #000; }
.notification.warning .notif-bar { background: var(--warning); }

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

@keyframes notifBar {
  from { width: 100%; }
  to { width: 0%; }
}

.notification.out {
  animation: notifOut 0.3s ease forwards;
}

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

/* ===== БЕЙДЖИ ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 0.75em;
  font-weight: 700;
}

.badge-accent { background: var(--accent-glow); color: var(--accent); }
.badge-danger { background: rgba(255, 77, 77, 0.15); color: var(--danger); }
.badge-warning { background: rgba(255, 204, 0, 0.15); color: var(--warning); }

/* ===== СТАТУСЫ ===== */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
}

.status-dot.online { background: var(--accent); box-shadow: 0 0 6px var(--accent); }
.status-dot.offline { background: var(--text-muted); }

/* ===== ПУСТЫЕ СОСТОЯНИЯ ===== */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-dim);
}

.empty-state .empty-icon {
  font-size: 3em;
  margin-bottom: 12px;
  opacity: 0.5;
}

.empty-state p { font-size: 0.95em; }

/* ===== ЗАГРУЗКА ===== */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--card-border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.skeleton {
  background: linear-gradient(90deg, var(--card) 25%, var(--card-hover) 50%, var(--card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ===== РАЗДЕЛИТЕЛИ ===== */
.divider {
  height: 1px;
  background: var(--card-border);
  margin: 16px 0;
}

/* ===== СТАТИСТИКА ===== */
.stat-card {
  text-align: center;
  padding: 20px;
  background: var(--bg-alt);
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
}

.stat-card .stat-label {
  font-size: 0.82em;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.stat-card .stat-value {
  font-size: 1.8em;
  font-weight: 800;
  color: var(--accent);
  margin-top: 4px;
}

/* ===== ПРОГРЕСС-БАР ===== */
.progress-bar {
  height: 6px;
  background: var(--bg-alt);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar .progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent));
  border-radius: 3px;
  transition: width 0.5s ease;
}

/* ===== АДАПТИВ ===== */
@media (max-width: 768px) {
  .nav { padding: 0 12px; gap: 2px; height: 50px; }
  .nav .logo { font-size: 1em; margin-right: 6px; }
  .nav a { font-size: 0.78em; padding: 6px 8px; }
  .nav .user-info .nav-avatar { font-size: 1.1em; }
  .container { padding: 16px 12px 70px; }
  .grid { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .page-title { font-size: 1.4em; }
  .mobile-nav { display: flex; }
  .nav a.nav-desktop { display: none; }
}

@media (max-width: 480px) {
  .nav .user-info span:not(.leaves):not(.nav-avatar) { display: none; }
}