/* ===== CSS Reset & Base ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0a0a0f;
  --bg-card: rgba(18, 18, 28, 0.85);
  --bg-card-hover: rgba(25, 25, 40, 0.95);
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(99, 102, 241, 0.3);
  --text: #e2e8f0;
  --text-muted: #64748b;
  --text-dim: #475569;
  --primary: #6366f1;
  --primary-glow: rgba(99, 102, 241, 0.15);
  --success: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.1);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.1);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --accent: #06b6d4;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== Animated Background ===== */
.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(99, 102, 241, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 80% 20%, rgba(6, 182, 212, 0.06), transparent),
    radial-gradient(ellipse 50% 60% at 50% 80%, rgba(139, 92, 246, 0.05), transparent);
}

.floating-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  z-index: 0;
  animation: float 20s ease-in-out infinite;
  pointer-events: none;
}

.orb-1 {
  width: 400px; height: 400px;
  background: rgba(99, 102, 241, 0.07);
  top: -100px; left: -100px;
  animation-delay: 0s;
}

.orb-2 {
  width: 300px; height: 300px;
  background: rgba(6, 182, 212, 0.06);
  top: 50%; right: -80px;
  animation-delay: -7s;
}

.orb-3 {
  width: 350px; height: 350px;
  background: rgba(139, 92, 246, 0.05);
  bottom: -100px; left: 30%;
  animation-delay: -14s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -40px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(40px, 30px) scale(1.02); }
}

/* ===== Container ===== */
.container {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 20px 60px;
}

/* ===== Header ===== */
.header {
  margin-bottom: 32px;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-icon {
  font-size: 36px;
  width: 56px; height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.25);
}

.header h1 {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--success-bg);
  border: 1px solid rgba(34, 197, 94, 0.2);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  color: var(--success);
}

.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font);
  backdrop-filter: blur(10px);
}

.btn:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0) scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  border: none;
  color: #fff;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 24px rgba(99, 102, 241, 0.4);
  background: linear-gradient(135deg, #7c7ff7, #9d7cfa);
}

.btn-secondary {
  background: rgba(6, 182, 212, 0.1);
  border-color: rgba(6, 182, 212, 0.2);
  color: var(--accent);
}

.btn-secondary:hover {
  background: rgba(6, 182, 212, 0.15);
  border-color: rgba(6, 182, 212, 0.3);
}

.btn-refresh svg {
  transition: transform 0.6s ease;
}

.btn-refresh.spinning svg {
  animation: spin 0.8s linear infinite;
}

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

/* ===== Stats Bar ===== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  text-align: center;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.stat-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.stat-value {
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -1px;
  background: linear-gradient(135deg, #fff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}

/* ===== Notification Setup ===== */
.notify-setup {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}

.notify-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.notify-icon {
  font-size: 28px;
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--warning-bg);
  border-radius: var(--radius-sm);
}

.notify-header h3 {
  font-size: 16px;
  font-weight: 800;
}

.notify-header p {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.notify-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.info-step {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

.step-num {
  width: 24px; height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-glow);
  color: var(--primary);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 800;
  flex-shrink: 0;
}

.info-step code {
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  font-size: 11px;
  font-weight: 600;
}

.notify-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ===== Filter Bar ===== */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.filter-group {
  display: flex;
  gap: 6px;
}

.filter-btn {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: transparent;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font);
}

.filter-btn:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

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

.region-select {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  backdrop-filter: blur(10px);
  outline: none;
}

.region-select:focus {
  border-color: var(--primary);
}

.region-select option {
  background: #1a1a2e;
}

/* ===== Plans Grid ===== */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

/* ===== Plan Card ===== */
.plan-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.plan-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.plan-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(99, 102, 241, 0.1);
}

.plan-card:hover::before {
  opacity: 1;
}

.plan-card.sold-out {
  opacity: 0.5;
}

.plan-card.sold-out:hover {
  opacity: 0.7;
}

.plan-card.available::before {
  background: linear-gradient(90deg, var(--success), var(--accent));
  opacity: 1;
}

.plan-card.new-plan {
  border-color: var(--success);
  animation: glow-green 2s ease-in-out infinite;
}

@keyframes glow-green {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.2); }
  50% { box-shadow: 0 0 20px 4px rgba(34, 197, 94, 0.15); }
}

.plan-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 14px;
}

.plan-name {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.3px;
}

.plan-price {
  text-align: right;
}

.plan-price .amount {
  font-size: 22px;
  font-weight: 900;
  color: var(--primary);
  letter-spacing: -1px;
}

.plan-price .period {
  font-size: 10px;
  color: var(--text-dim);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.plan-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.plan-region {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: var(--radius-xs);
  font-size: 10px;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.plan-region img {
  width: 14px;
  height: auto;
  border-radius: 2px;
}

.plan-machine {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 12px;
}

.plan-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.spec-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
}

.plan-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stock-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stock-badge.in-stock {
  background: var(--success-bg);
  color: var(--success);
}

.stock-badge.low-stock {
  background: var(--warning-bg);
  color: var(--warning);
}

.stock-badge.out-of-stock {
  background: var(--danger-bg);
  color: var(--danger);
}

.vm-type {
  padding: 4px 10px;
  background: rgba(139, 92, 246, 0.1);
  border-radius: var(--radius-xs);
  font-size: 10px;
  font-weight: 800;
  color: #8b5cf6;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===== Loading ===== */
.loading-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 20px;
}

.spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  margin: 0 auto 16px;
  animation: spin 0.8s linear infinite;
}

.loading-state p {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
}

/* ===== Empty State ===== */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
}

.empty-state .emoji {
  font-size: 48px;
  margin-bottom: 16px;
}

.empty-state p {
  font-size: 14px;
  font-weight: 600;
}

/* ===== Toast ===== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  background: var(--bg-card-hover);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
  animation: slideIn 0.3s ease;
  max-width: 360px;
}

.toast.success {
  border-color: rgba(34, 197, 94, 0.3);
}

.toast.error {
  border-color: rgba(239, 68, 68, 0.3);
}

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

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .container {
    padding: 16px 12px 40px;
  }

  .header h1 {
    font-size: 20px;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .notify-setup {
    padding: 16px;
  }

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

  .filter-group {
    justify-content: center;
  }
}