/* ============================================
   YMS Premium - Global Reset & Base Styles
   ============================================ */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, select, textarea { font-family: inherit; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

/* ============================================
   Scrollbar
   ============================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--gray-500); }

/* ============================================
   Utility Classes
   ============================================ */
.hidden { display: none !important; }
.visible { display: block !important; }
.flex { display: flex; }
.grid { display: grid; }
.relative { position: relative; }
.absolute { position: absolute; }

.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--text-secondary); }

.bg-primary-glow { background: var(--primary-glow); }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

/* ============================================
   Components - Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  outline: none;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition-fast);
}

.btn:hover::before { background: rgba(255,255,255,0.06); }
.btn:active::before { background: rgba(255,255,255,0.12); }

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 12px rgba(10, 132, 255, 0.35);
}
.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 4px 20px rgba(10, 132, 255, 0.5);
  transform: translateY(-1px);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 12px rgba(0, 212, 170, 0.35);
}
.btn-accent:hover {
  background: var(--accent-dark);
  box-shadow: 0 4px 20px rgba(0, 212, 170, 0.5);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
}
.btn-ghost:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover {
  background: var(--danger-dark);
  transform: translateY(-1px);
}

.btn-sm { padding: 7px 14px; font-size: 12px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-xl { padding: 18px 36px; font-size: 17px; border-radius: var(--radius-lg); }
.btn-icon {
  padding: 9px;
  aspect-ratio: 1;
  justify-content: center;
  border-radius: var(--radius-md);
}

/* ============================================
   Components - Cards
   ============================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-base);
}

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

.card-glass {
  background: rgba(20, 28, 46, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

/* ============================================
   Components - Badges
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge-success {
  background: var(--success-light);
  color: var(--success);
  border: 1px solid rgba(48, 209, 88, 0.2);
}
.badge-warning {
  background: var(--warning-light);
  color: var(--warning);
  border: 1px solid rgba(255, 159, 10, 0.2);
}
.badge-danger {
  background: var(--danger-light);
  color: var(--danger);
  border: 1px solid rgba(255, 69, 58, 0.2);
}
.badge-primary {
  background: rgba(10, 132, 255, 0.12);
  color: var(--primary);
  border: 1px solid rgba(10, 132, 255, 0.2);
}
.badge-accent {
  background: rgba(0, 212, 170, 0.12);
  color: var(--accent);
  border: 1px solid rgba(0, 212, 170, 0.2);
}
.badge-neutral {
  background: rgba(139, 154, 191, 0.1);
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
}

/* Status dot */
.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-dot.online { background: var(--success); box-shadow: 0 0 0 2px rgba(48,209,88,0.3); }
.status-dot.warning { background: var(--warning); box-shadow: 0 0 0 2px rgba(255,159,10,0.3); }
.status-dot.offline { background: var(--danger); box-shadow: 0 0 0 2px rgba(255,69,58,0.3); }
.status-dot.idle { background: var(--gray-500); }

.status-dot.pulse {
  animation: statusPulse 2s infinite;
}

@keyframes statusPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

/* ============================================
   Components - Forms
   ============================================ */
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }

.form-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.form-input {
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 10px 14px;
  font-size: 14px;
  transition: all var(--transition-fast);
  outline: none;
  width: 100%;
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
  background: var(--bg-tertiary);
}

.form-input::placeholder { color: var(--text-muted); }

.form-select {
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 10px 14px;
  font-size: 14px;
  cursor: pointer;
  outline: none;
  width: 100%;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%238B9ABF' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  transition: all var(--transition-fast);
}

.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* ============================================
   Components - Tables
   ============================================ */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table thead tr {
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border-default);
}

.data-table th {
  padding: 12px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

.data-table th:hover { color: var(--text-primary); }

.data-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: background var(--transition-fast);
}

.data-table tbody tr:hover { background: rgba(255,255,255,0.03); }
.data-table tbody tr:last-child td { border-bottom: none; }

/* ============================================
   Components - Progress Bar
   ============================================ */
.progress-bar {
  height: 6px;
  background: var(--border-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-fill.primary { background: var(--primary); }
.progress-fill.accent { background: var(--accent); }
.progress-fill.warning { background: var(--warning); }
.progress-fill.danger { background: var(--danger); }
.progress-fill.success { background: var(--success); }

/* Gradient fills */
.progress-fill.gradient-blue {
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  box-shadow: 0 0 8px rgba(10, 132, 255, 0.4);
}

/* ============================================
   Components - Modal
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95) translateY(20px);
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-xl);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--border-subtle);
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 18px;
  line-height: 1;
}

.modal-close:hover {
  background: var(--danger-light);
  color: var(--danger);
  border-color: rgba(255,69,58,0.2);
}

/* ============================================
   Components - Toast Notifications
   ============================================ */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  max-width: 400px;
  pointer-events: all;
  transform: translateX(120%);
  transition: transform var(--transition-base);
  font-size: 14px;
}

.toast.show { transform: translateX(0); }

.toast-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.toast.success .toast-icon { background: var(--success-light); color: var(--success); }
.toast.warning .toast-icon { background: var(--warning-light); color: var(--warning); }
.toast.error .toast-icon { background: var(--danger-light); color: var(--danger); }
.toast.info .toast-icon { background: rgba(10,132,255,0.12); color: var(--primary); }

.toast-body { flex: 1; }
.toast-title { font-weight: 700; color: var(--text-primary); font-size: 13px; }
.toast-message { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-24px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

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

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

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes pulse-ring {
  0% { transform: scale(0.8); opacity: 0.8; }
  100% { transform: scale(2); opacity: 0; }
}

.animate-fadeIn { animation: fadeIn var(--transition-slow) ease both; }
.animate-fadeInUp { animation: fadeInUp 0.5s ease both; }
.animate-scaleIn { animation: scaleIn 0.3s ease both; }
.animate-spin { animation: spin 1s linear infinite; }
.animate-float { animation: float 3s ease-in-out infinite; }

/* Skeleton loader */
.skeleton {
  background: linear-gradient(90deg,
    rgba(255,255,255,0.04) 25%,
    rgba(255,255,255,0.08) 50%,
    rgba(255,255,255,0.04) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

/* ============================================
   Responsive - Mobile
   ============================================ */
@media (max-width: 768px) {
  :root {
    --space-6: 20px;
    --space-8: 24px;
  }

  .btn-xl { padding: 14px 24px; font-size: 15px; }
}