/* =====================================================
   STARLINK VMS — Base & Reset
   ===================================================== */

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

html {
  font-size: var(--font-size-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
}

#app {
  min-height: 100vh;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}
a:hover { color: var(--color-primary-dark); text-decoration: underline; }
a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

img, svg { display: block; max-width: 100%; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

input, select, textarea {
  font-family: inherit;
}

/* =====================================================
   Spinner Animation
   ===================================================== */
@keyframes spin {
  to { transform: rotate(360deg); }
}
.spinner {
  animation: spin 0.8s linear infinite;
  display: inline-block;
}
.spinner--lg { width: 32px; height: 32px; }

/* =====================================================
   Shimmer Animation
   ===================================================== */
@keyframes shimmer {
  0%   { background-position: -300px 0; }
  100% { background-position: 300px 0; }
}
.shimmer {
  background: linear-gradient(90deg, #F4F6F7 25%, #E8EAED 50%, #F4F6F7 75%);
  background-size: 600px 100%;
  animation: shimmer 1.5s infinite linear;
  border-radius: var(--radius-md);
}

/* =====================================================
   Pulse Animation for On Site indicator
   ===================================================== */
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(1.3); }
}
.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse 1.5s ease-in-out infinite;
  display: inline-block;
  flex-shrink: 0;
}

/* =====================================================
   Toast Notifications
   ===================================================== */
#toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.toast {
  width: 320px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  padding: var(--space-4);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  border-left: 4px solid transparent;
  pointer-events: auto;
  transform: translateX(100%);
  opacity: 0;
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.toast--show { transform: translateX(0); opacity: 1; }
.toast--success { border-left-color: var(--color-success); }
.toast--error   { border-left-color: var(--color-error); }
.toast--warning { border-left-color: var(--color-warning); }
.toast--info    { border-left-color: var(--color-primary); }

.toast__icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
}
.toast--success .toast__icon { color: var(--color-success); }
.toast--error   .toast__icon { color: var(--color-error); }
.toast--warning .toast__icon { color: var(--color-warning); }
.toast--info    .toast__icon { color: var(--color-primary); }

.toast__content { flex: 1; }
.toast__title { font-weight: 600; font-size: var(--font-size-sm); color: var(--color-text); }
.toast__body  { font-size: var(--font-size-sm); color: var(--color-text-secondary); margin-top: 2px; }

.toast__close {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--color-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}
.toast__close:hover { color: var(--color-text); }

/* =====================================================
   Modal
   ===================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 42, 74, 0.6);
  backdrop-filter: blur(4px);
  z-index: 8000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  animation: fadeIn 200ms ease;
}

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

.modal {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-modal);
  width: 100%;
  max-width: 480px;
  padding: var(--space-8);
  animation: slideUp 250ms ease;
  max-height: 90vh;
  overflow-y: auto;
}

.modal--wide { max-width: 640px; }

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

.modal__header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.modal__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.modal__icon--danger { background: #FDEDEC; color: var(--color-error); }
.modal__icon--warning { background: #FEF9E7; color: var(--color-warning); }
.modal__icon--info  { background: var(--color-primary-light); color: var(--color-primary); }
.modal__title { font-size: var(--font-size-lg); font-weight: 700; color: var(--color-navy); }
.modal__body  { font-size: var(--font-size-sm); color: var(--color-text-secondary); margin-top: var(--space-2); line-height: 1.6; }
.modal__actions {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
  margin-top: var(--space-6);
  flex-wrap: wrap;
}

/* =====================================================
   Breadcrumb
   ===================================================== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}
.breadcrumb a { color: var(--color-primary); }
.breadcrumb__sep {
  color: var(--color-border);
  display: flex;
}

/* =====================================================
   Empty State
   ===================================================== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 240px;
  text-align: center;
  padding: var(--space-10) var(--space-6);
}
.empty-state__icon {
  width: 64px;
  height: 64px;
  color: var(--color-placeholder);
  margin-bottom: var(--space-4);
}
.empty-state__heading {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.empty-state__body {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  max-width: 360px;
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

/* =====================================================
   Utility
   ===================================================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

.text-muted { color: var(--color-text-secondary); }
.font-bold   { font-weight: 700; }
.font-medium { font-weight: 500; }