/* ==========================================================================
   KINETIC STRUCTURE + GROOVE PERSONALITY — DESIGN SYSTEM STYLES
   Corpus: Dance Business App (Mudra SaaS)
   ========================================================================== */

:root {
  /* Color System Tokens */
  --color-primary: #2563EB;
  --color-primary-hover: #1D4ED8;
  --color-primary-soft: #EFF6FF;

  --color-attention: #F97316;
  --color-attention-hover: #EA580C;
  --color-attention-soft: #FFF7ED;

  --color-success: #10B981;
  --color-success-hover: #059669;
  --color-success-soft: #ECFDF5;

  --color-secondary-accent: #8B5CF6;
  --color-secondary-soft: #F5F3FF;

  --color-critical: #EF4444;
  --color-critical-soft: #FFF1F2;

  --color-canvas: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-surface-subtle: #F1F5F9;

  --color-text-primary: #0F172A;
  --color-text-secondary: #475569;
  --color-text-muted: #94A3B8;

  --color-border: #E2E8F0;
  --color-border-subtle: #F1F5F9;

  --color-sidebar: #0B0F19;

  /* Backward Compatibility Aliases */
  --color-coral: #2563EB;
  --color-coral-hover: #1D4ED8;
  --color-aqua: #10B981;
  --color-aqua-light: #ECFDF5;
  --color-sand: #F8FAFC;
  --color-card: #FFFFFF;
  --color-ink: #0F172A;
  --color-muted: #475569;

  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;

  /* Radius Tokens */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;

  /* Transitions */
  --duration-fast: 150ms;
  --duration-normal: 200ms;
}

/* Base Body Scroll Locking */
body.drawer-open {
  overflow: hidden !important;
}

/* Sidebar Rail Mode Transitions */
.sidebar-expanded {
  width: 240px !important;
}
.sidebar-collapsed {
  width: 72px !important;
}

/* Tooltip popup for collapsed rail */
.rail-tooltip {
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  margin-left: 10px;
  background-color: #0F172A;
  color: #F8FAFC;
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 150ms ease;
  z-index: 50;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  border: 1px solid rgba(255,255,255,0.1);
}

.has-rail-tooltip:hover .rail-tooltip,
.has-rail-tooltip:focus-within .rail-tooltip {
  opacity: 1;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94A3B8;
}

/* Material Symbols Styling */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}
.material-symbols-outlined.fill {
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* ==========================================================================
   SHARED COMPONENT FOUNDATIONS (KINETIC + GROOVE)
   ========================================================================== */

/* 1. BUTTON FOUNDATIONS */

/* Primary Button (Electric Royal Blue signature) */
.btn-primary, .btn-primary-blue {
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-lg);
  padding: 0.5rem 1rem;
  box-shadow: 0 1px 3px rgba(37, 99, 235, 0.2);
  transition: all var(--duration-fast) ease-in-out;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 1px solid transparent;
}
.btn-primary:hover, .btn-primary-blue:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* Secondary Button (Clean white with subtle border) */
.btn-secondary, .btn-secondary-neutral {
  background-color: #FFFFFF;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-lg);
  padding: 0.5rem 1rem;
  transition: all var(--duration-fast) ease-in-out;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.btn-secondary:hover, .btn-secondary-neutral:hover {
  background-color: var(--color-surface-subtle);
  border-color: #CBD5E1;
  color: #0F172A;
}

/* Ghost Button (Quiet interactive) */
.btn-ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-lg);
  padding: 0.5rem 1rem;
  transition: all var(--duration-fast) ease-in-out;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.btn-ghost:hover {
  background-color: var(--color-surface-subtle);
  color: var(--color-text-primary);
}

/* Danger / Critical Action Button */
.btn-danger, .btn-danger-red {
  background-color: #FFFFFF;
  color: var(--color-critical);
  border: 1px solid #FECACA;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-lg);
  padding: 0.5rem 1rem;
  transition: all var(--duration-fast) ease-in-out;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.btn-danger:hover, .btn-danger-red:hover {
  background-color: var(--color-critical-soft);
  border-color: #FCA5A5;
}

/* Attention Action Button (Warm Coral/Orange) */
.btn-attention {
  background-color: var(--color-attention);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-lg);
  padding: 0.5rem 1rem;
  box-shadow: 0 1px 3px rgba(249, 115, 22, 0.2);
  transition: all var(--duration-fast) ease-in-out;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.btn-attention:hover {
  background-color: var(--color-attention-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

/* Backward compatibility button aliases */
.btn-primary-coral {
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-weight: 600;
  border-radius: var(--radius-lg);
  padding: 0.5rem 1rem;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
  transition: all var(--duration-fast) ease-in-out;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.btn-primary-coral:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.btn-whatsapp-green {
  background-color: #059669;
  color: #FFFFFF;
  font-weight: 600;
  border-radius: var(--radius-lg);
  padding: 0.5rem 1rem;
  box-shadow: 0 2px 6px rgba(5, 150, 105, 0.2);
  transition: all var(--duration-fast) ease-in-out;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.btn-whatsapp-green:hover {
  background-color: #047857;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(5, 150, 105, 0.3);
}

.stage-cta-btn {
  background: var(--color-primary);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
  transition: all 0.18s ease-in-out;
}
.stage-cta-btn:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
}

/* 2. INPUT & SELECT FOUNDATIONS */
.input-field, input[type="text"].input-field, input[type="number"].input-field, input[type="search"].input-field {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 0.5rem 0.875rem;
  font-size: 0.875rem;
  color: var(--color-text-primary);
  transition: all var(--duration-fast) ease-in-out;
}
.input-field:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.select-field, select.select-field {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 0.5rem 0.875rem;
  font-size: 0.875rem;
  color: var(--color-text-primary);
  transition: all var(--duration-fast) ease-in-out;
}
.select-field:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* 3. TABS FOUNDATION */
.tab-item {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
  transition: all var(--duration-fast) ease-in-out;
  cursor: pointer;
}
.tab-item:hover {
  color: var(--color-text-primary);
  background-color: var(--color-surface-subtle);
}
.tab-item.active, .tab-item-active {
  color: var(--color-primary);
  background-color: var(--color-primary-soft);
  font-weight: 700;
}

/* 4. STATUS BADGES FOUNDATION */
.status-badge, .badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
}

.badge-blue, .badge-primary {
  background-color: var(--color-primary-soft);
  color: #1D4ED8;
  border: 1px solid #BFDBFE;
}
.badge-orange, .badge-attention {
  background-color: var(--color-attention-soft);
  color: #C2410C;
  border: 1px solid #FED7AA;
}
.badge-green, .badge-success {
  background-color: var(--color-success-soft);
  color: #047857;
  border: 1px solid #A7F3D0;
}
.badge-purple, .badge-secondary {
  background-color: var(--color-secondary-soft);
  color: #6D28D9;
  border: 1px solid #DDD6FE;
}
.badge-red, .badge-critical {
  background-color: var(--color-critical-soft);
  color: #B91C1C;
  border: 1px solid #FECACA;
}
.badge-neutral {
  background-color: var(--color-surface-subtle);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

/* 5. CARDS & SURFACES FOUNDATION */
.saas-card {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.02);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.saas-card:hover {
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.04);
}

.card-hero-glow {
  position: relative;
  background: #FFFFFF;
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: var(--radius-xl);
  box-shadow: 0 8px 24px -6px rgba(37, 99, 235, 0.08);
}
.card-hero-glow::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #2563EB 0%, #3B82F6 50%, #10B981 100%);
  border-top-left-radius: inherit;
  border-top-right-radius: inherit;
}

.side-rail {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
}

/* Monospace Tabular Metrics */
.num-mono {
  font-family: 'JetBrains Mono', monospace;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

/* Attention Cards */
.card-attention-zero {
  background-color: var(--color-canvas);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.card-attention-urgent {
  background-color: var(--color-critical-soft);
  border: 1px solid #FEE2E2;
  color: #991B1B;
}
.card-attention-warning {
  background-color: var(--color-attention-soft);
  border: 1px solid #FFEDD5;
  color: #9A3412;
}
.card-attention-active {
  background-color: var(--color-success-soft);
  border: 1px solid #D1FAE5;
  color: #065F46;
}

/* Smooth Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(3px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.18s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.phase2-empty-state {
  max-width: 480px;
  margin: 2rem auto;
  padding: 2.5rem 1.5rem;
  text-align: center;
  background-color: #FFFFFF;
  border: 1px dashed #CBD5E1;
  border-radius: var(--radius-xl);
}