@import url('./variables.css');

.card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(11, 42, 60, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.68));
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.32), transparent 24%);
}

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

.card-header,
.card-footer {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 0.72rem 0.84rem;
}

.card-header {
  border-bottom: 1px solid rgba(11, 42, 60, 0.08);
}

.card-footer {
  border-top: 1px solid rgba(11, 42, 60, 0.08);
}

.card-header h3 {
  font-size: 0.98rem;
}

.card-body {
  position: relative;
  z-index: 1;
  padding: 0.84rem;
}

.card-muted {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0.5));
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: var(--space-3);
}

.metric-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.72rem;
  padding: 0.86rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(11, 42, 60, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.68)),
    radial-gradient(circle at top right, rgba(56, 189, 173, 0.12), transparent 32%);
  box-shadow: var(--shadow-sm);
}

.metric-icon {
  background: linear-gradient(145deg, rgba(56, 189, 173, 0.18), rgba(245, 158, 11, 0.2));
  color: var(--primary-strong);
}

.metric-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
}

.metric-content h3 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-muted);
}

.metric-content p {
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  font-weight: 800;
  letter-spacing: -0.04em;
}

.metric-footnote {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-soft);
  font-size: var(--text-xs);
  font-weight: 700;
}

.metric-card.accent {
  background:
    linear-gradient(160deg, rgba(13, 68, 88, 0.96), rgba(14, 28, 51, 0.96)),
    radial-gradient(circle at top right, rgba(245, 158, 11, 0.22), transparent 32%);
  color: var(--text-inverse);
}

.metric-card.accent h3,
.metric-card.accent .metric-footnote {
  color: rgba(245, 247, 250, 0.75);
}

.metric-card.accent .metric-icon {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-inverse);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 38px;
  padding: 0.54rem 0.8rem;
  border-radius: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: 800;
  letter-spacing: 0.01em;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
}

.btn svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.btn:hover {
  transform: translateY(-1px);
}

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

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.68;
  transform: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), hsl(192, 72%, 32%));
  color: var(--text-inverse);
  box-shadow: 0 16px 28px -18px rgba(13, 112, 112, 0.58);
}

.btn-primary:hover {
  color: var(--text-inverse);
  background: linear-gradient(135deg, hsl(181, 67%, 36%), hsl(192, 72%, 28%));
}

.btn-outline {
  background: rgba(255, 255, 255, 0.8);
  border-color: rgba(13, 52, 70, 0.12);
  color: var(--text-main);
}

.btn-outline:hover {
  border-color: rgba(13, 52, 70, 0.22);
  background: rgba(255, 255, 255, 0.95);
}

.btn-secondary {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.16), rgba(255, 255, 255, 0.8));
  border-color: rgba(245, 158, 11, 0.16);
  color: var(--primary-strong);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
}

.btn-full { width: 100%; }

.form-group {
  margin-bottom: var(--space-3);
}

.form-label {
  display: block;
  margin-bottom: 0.38rem;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-main);
}

.form-helper {
  margin-top: 0.45rem;
  color: var(--text-soft);
  font-size: var(--text-xs);
}

.form-input,
select.form-input,
textarea.form-input {
  width: 100%;
  padding: 0.58rem 0.74rem;
  border-radius: 12px;
  border: 1px solid rgba(13, 52, 70, 0.12);
  background: rgba(255, 255, 255, 0.84);
  color: var(--text-main);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-fast);
}

.form-input:hover {
  border-color: rgba(13, 52, 70, 0.18);
}

.form-input:focus {
  border-color: rgba(56, 189, 173, 0.65);
  box-shadow: 0 0 0 4px var(--ring-color);
  background: rgba(255, 255, 255, 0.96);
}

/* Toasts */
.toast-stack {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  z-index: 120;
}

.toast {
  min-width: 220px;
  max-width: 360px;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  color: #fff;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.toast.visible {
  opacity: 1;
  transform: translateY(0);
}

.toast-info { background: hsl(222, 35%, 26%); }
.toast-success { background: hsl(152, 70%, 32%); }
.toast-warning { background: hsl(38, 86%, 42%); }
.toast-danger { background: hsl(354, 72%, 40%); }

/* Loading & Skeletons */
.shimmer {
  background: linear-gradient(90deg, var(--bg-surface-hover) 25%, var(--border-color) 50%, var(--bg-surface-hover) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite linear;
  border-radius: var(--radius-md);
}

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

.skeleton-text {
  height: 1rem;
  width: 100%;
  margin-bottom: 0.5rem;
}

.skeleton-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

/* Toasts */
.toast-stack {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  z-index: 120;
}

.toast {
  min-width: 220px;
  max-width: 360px;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  color: #fff;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.toast.visible {
  opacity: 1;
  transform: translateY(0);
}

.toast-info { background: hsl(222, 35%, 26%); }
.toast-success { background: hsl(152, 70%, 32%); }
.toast-warning { background: hsl(38, 86%, 42%); }
.toast-danger { background: hsl(354, 72%, 40%); }

/* Loading & Skeletons */

.loading-placeholder {
  display: grid;
  place-items: center;
  min-height: 120px;
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(6, 20, 31, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
}

.modal-panel {
  width: min(100%, 680px);
  max-height: 90vh;
  overflow: auto;
}

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

@media (max-width: 780px) {
  .card-header,
  .card-footer,
  .metric-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .table th,
  .table td {
    min-width: 110px;
  }
}

.sidebar-skeleton {
  width: 260px;
  height: 100vh;
  background-color: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  padding: var(--space-4);
}

.sidebar-skeleton .item {
  height: 40px;
  margin-bottom: var(--space-2);
}

/* Modal helper */
.modal-shell {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}