/* QA10 Sales Tracker — Premium Dark Theme */
/* Overrides Pico CSS v2 with zinc palette + indigo accent */

:root {
  --bg: #18181b;
  --bg-alt: #09090b;
  --surface: #27272a;
  --surface-elevated: #3f3f46;
  --border: #3f3f46;
  --border-subtle: #27272a;
  --text: #f4f4f5;
  --text-muted: #a1a1aa;
  --text-dim: #71717a;
  --accent: #6366F1;
  --accent-hover: #818cf8;
  --accent-subtle: rgba(99, 102, 241, 0.12);
  --success: #10b981;
  --success-subtle: rgba(16, 185, 129, 0.12);
  --warning: #f59e0b;
  --warning-subtle: rgba(245, 158, 11, 0.12);
  --danger: #ef4444;
  --danger-subtle: rgba(239, 68, 68, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --transition: 150ms ease;
  --shadow: 0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.4), 0 4px 6px -4px rgba(0,0,0,0.3);
}

/* Pico overrides */
[data-theme="dark"] {
  --pico-background-color: var(--bg);
  --pico-card-background-color: var(--surface);
  --pico-card-border-color: var(--border);
  --pico-color: var(--text);
  --pico-muted-color: var(--text-muted);
  --pico-primary: var(--accent);
  --pico-primary-hover: var(--accent-hover);
  --pico-form-element-background-color: var(--surface);
  --pico-form-element-border-color: var(--border);
  --pico-form-element-focus-color: var(--accent);
  --pico-table-border-color: var(--border-subtle);
  --pico-border-color: var(--border-subtle);
}

/* Base */
html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  min-height: 100vh;
  line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text);
  font-weight: 600;
  letter-spacing: -0.025em;
}

h1 { font-size: 1.875rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

p { color: var(--text-muted); }

/* Navigation */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(24, 24, 27, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.75rem 1.5rem;
}

.site-nav .nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  gap: 1rem;
}

.site-nav .nav-brand {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.025em;
}

.site-nav .nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav .nav-links a {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-xs);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition), background var(--transition);
}

.site-nav .nav-links a:hover {
  color: var(--text);
  background: var(--surface);
}

.site-nav .nav-links a.active {
  color: var(--accent);
  background: var(--accent-subtle);
}

.site-nav .nav-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.site-nav .nav-user-name {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

.site-nav .nav-user .btn-logout {
  font-size: 0.8125rem;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
}

.site-nav .nav-user .btn-logout:hover {
  color: var(--danger);
  border-color: var(--danger);
  background: var(--danger-subtle);
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition);
}

.card:hover {
  border-color: var(--surface-elevated);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.card-title {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin: 0;
}

.card-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  margin: 0.5rem 0 0 0;
}

.card-subtitle {
  font-size: 0.8125rem;
  color: var(--text-dim);
  margin-top: 0.25rem;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.5;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

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

.btn-primary[aria-busy="true"] {
  opacity: 0.7;
  pointer-events: none;
}

.btn-primary[aria-busy="true"]::before {
  content: '';
  width: 1rem;
  height: 1rem;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-secondary:hover {
  color: var(--text);
  border-color: var(--text-muted);
  background: var(--surface);
}

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

/* Forms */
.form-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-section h2 {
  font-size: 1.125rem;
  margin-bottom: 1.25rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-group label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 0.625rem 0.875rem;
  color: var(--text);
  font-size: 0.875rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-dim);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23a1a1aa' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

.form-full {
  grid-column: 1 / -1;
}

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  justify-content: flex-end;
  margin-top: 0.5rem;
}

/* Tables */
.table-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  overflow: hidden;
}

.table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.table-header h2 {
  font-size: 1.125rem;
  margin: 0;
}

.table-wrap {
  overflow-x: auto;
  margin: 0 -1.5rem;
  padding: 0 1.5rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

table thead th {
  text-align: left;
  padding: 0.75rem 1rem;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

table tbody td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text);
  vertical-align: middle;
}

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

table tbody tr:hover {
  background: rgba(99, 102, 241, 0.04);
}

table tbody tr:last-child td {
  border-bottom: none;
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-nowa {
  background: rgba(113, 113, 122, 0.2);
  color: #a1a1aa;
}

.badge-w_trakcie {
  background: var(--warning-subtle);
  color: var(--warning);
}

.badge-wygrana {
  background: var(--success-subtle);
  color: var(--success);
}

.badge-przegrana {
  background: var(--danger-subtle);
  color: var(--danger);
}

.badge-rozmowa {
  background: var(--success-subtle);
  color: var(--success);
}

.badge-nieodebrane {
  background: var(--danger-subtle);
  color: var(--danger);
}

.badge-callback {
  background: var(--warning-subtle);
  color: var(--warning);
}

.badge-zamkniecie {
  background: var(--accent-subtle);
  color: var(--accent);
}

/* Counter Badge */
.counter-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  background: var(--accent-subtle);
  color: var(--accent);
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 600;
}

/* Login Page */
.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1.5rem;
  background: var(--bg-alt);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-lg);
}

.login-brand {
  text-align: center;
  margin-bottom: 2rem;
}

.login-brand h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.025em;
}

.login-brand p {
  font-size: 0.875rem;
  color: var(--text-dim);
  margin: 0.5rem 0 0 0;
}

.login-form .form-group {
  margin-bottom: 1rem;
}

.login-form .btn-primary {
  width: 100%;
  padding: 0.75rem;
  margin-top: 0.5rem;
}

.login-error {
  display: none;
  margin-top: 1rem;
  padding: 0.75rem;
  background: var(--danger-subtle);
  color: var(--danger);
  border-radius: var(--radius-xs);
  font-size: 0.8125rem;
  text-align: center;
}

.login-error.visible {
  display: block;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.875rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  font-size: 0.875rem;
  color: var(--text);
  pointer-events: auto;
  transform: translateX(120%);
  opacity: 0;
  transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1), opacity 300ms ease;
}

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

.toast.toast-success {
  border-left: 3px solid var(--success);
}

.toast.toast-error {
  border-left: 3px solid var(--danger);
}

.toast.toast-warning {
  border-left: 3px solid var(--warning);
}

/* Chart Container */
.chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.chart-card h2 {
  font-size: 1.125rem;
  margin-bottom: 1rem;
}

.chart-wrap {
  position: relative;
  height: 280px;
}

/* Page Layout */
.page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.page-header h1 {
  margin: 0;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-dim);
}

.empty-state p {
  font-size: 0.875rem;
  color: var(--text-dim);
  margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
  .site-nav {
    padding: 0.625rem 1rem;
  }

  .site-nav .nav-inner {
    flex-wrap: wrap;
  }

  .site-nav .nav-links {
    order: 3;
    width: 100%;
    justify-content: center;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-subtle);
    margin-top: 0.5rem;
  }

  .page-container {
    padding: 1rem;
  }

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

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

  .chart-wrap {
    height: 200px;
  }

  h1 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .login-card {
    padding: 1.5rem;
  }

  .toast-container {
    left: 1rem;
    right: 1rem;
  }
}

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

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }