/* ============================================================
   MODERN APPLE LIQUID GLASS DESIGN SYSTEM
   Monochrome Grey-Black-White Palette
   ============================================================ */

:root {
  --white: #FFFFFF;
  --grey-50: #F9FAFB;
  --grey-100: #F3F4F6;
  --grey-200: #E5E7EB;
  --grey-300: #D1D5DB;
  --grey-400: #9CA3AF;
  --grey-500: #6B7280;
  --grey-600: #4B5563;
  --grey-700: #374151;
  --grey-800: #1F2937;
  --grey-900: #111827;
  --black: #000000;

  --bg-primary: #0A0A0A;
  --bg-secondary: #121212;
  --text-primary: rgba(255, 255, 255, 0.95);
  --text-secondary: rgba(255, 255, 255, 0.65);
  --text-tertiary: rgba(255, 255, 255, 0.45);

  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-hover: rgba(255, 255, 255, 0.08);
  --glass-active: rgba(255, 255, 255, 0.12);

  --accent-primary: rgba(255, 255, 255, 0.9);
  --accent-success: #10B981;
  --accent-error: #EF4444;
  --accent-warning: #F59E0B;
  --accent-danger: #DC2626;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-2xl: 32px;
  --space-3xl: 48px;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  --font-xs: 11px;
  --font-sm: 12px;
  --font-base: 14px;
  --font-md: 15px;
  --font-lg: 16px;
  --font-xl: 18px;
  --font-2xl: 24px;
  --font-3xl: 32px;

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-size: 16px;
}

html, body {
  height: 100%;
  overflow-x: hidden;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', system-ui, sans-serif;
  font-size: var(--font-base);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  position: relative;
  min-height: 100vh;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle 800px at 20% 30%, rgba(255, 255, 255, 0.03), transparent 60%),
    radial-gradient(circle 600px at 80% 70%, rgba(255, 255, 255, 0.02), transparent 50%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
  opacity: 0.15;
  pointer-events: none;
  z-index: 1;
}

.loadingOverlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  z-index: 9999;
  transition: opacity var(--transition-base);
}

.loadingOverlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.loadingSpinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--glass-border);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loadingText {
  font-size: var(--font-lg);
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: -0.01em;
}

.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: var(--shadow-md);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: var(--space-lg) var(--space-xl);
  background: rgba(10, 10, 10, 0.8);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.brand .title {
  font-size: var(--font-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.right {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

#whoami {
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.container {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-xl);
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

@media (max-width: 768px) {
  .container {
    padding: var(--space-xl) var(--space-lg);
  }

  .grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .topbar {
    padding: var(--space-md) var(--space-lg);
  }

  .brand .title {
    font-size: var(--font-lg);
  }
}

.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.card:hover {
  background: var(--glass-hover);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

h2 {
  margin: 0 0 var(--space-lg) 0;
  font-size: var(--font-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.muted { color: var(--text-secondary); }
.small { font-size: var(--font-sm); }

.hint {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  border-left: 2px solid var(--glass-border);
}

.hidden { display: none !important; }

.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

label {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: -0.01em;
}

input,
select,
textarea {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: rgba(0, 0, 0, 0.3);
  color: var(--text-primary);
  font-size: var(--font-base);
  font-family: inherit;
  outline: none;
  transition: all var(--transition-base);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent-primary);
  background: rgba(0, 0, 0, 0.4);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

input::placeholder { color: var(--text-tertiary); }

.input.smallInput {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-sm);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-primary);
  font-size: var(--font-base);
  font-weight: 600;
  font-family: inherit;
  letter-spacing: -0.01em; /* ✅ FIX: odstránená chybná zátvorka */
  cursor: pointer;
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

.btn:hover:not(:disabled) {
  background: var(--glass-hover);
  border-color: var(--accent-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-outline {
  background: transparent;
  border-color: var(--glass-border);
}

.btn-outline:hover:not(:disabled) {
  background: var(--glass-bg);
}

.btn-danger {
  background: rgba(220, 38, 38, 0.15);
  border-color: var(--accent-danger);
  color: #FCA5A5;
}

.btn-danger:hover:not(:disabled) {
  background: rgba(220, 38, 38, 0.25);
  border-color: #DC2626;
  color: #FECACA;
}

.btn-small {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--font-sm);
}

.linkBtn {
  background: transparent;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: var(--space-sm) var(--space-md);
  font-weight: 600;
  font-size: var(--font-sm);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.linkBtn:hover {
  color: var(--accent-primary);
  text-decoration: underline;
}

.footerRow {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  justify-content: center;
}

.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.rowRight {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex: 1;
  max-width: 600px;
}

@media (max-width: 768px) {
  .row {
    flex-direction: column;
    align-items: stretch;
  }

  .rowRight {
    width: 100%;
    max-width: none;
  }
}

.kv {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.kv > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  font-weight: 700;
  font-size: var(--font-xs);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.otpBox {
  margin-top: var(--space-2xl);
  padding: var(--space-3xl) var(--space-xl);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--glass-border);
  background: rgba(0, 0, 0, 0.2);
  text-align: center;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-lg);
}

.otp {
  font-size: var(--font-3xl);
  font-weight: 900;
  letter-spacing: 0.2em;
  font-family: 'SF Mono', 'Monaco', 'Courier New', monospace;
  color: var(--text-primary);
  text-shadow: 0 2px 10px rgba(255, 255, 255, 0.2);
}

#otpTimer {
  font-size: var(--font-sm);
  color: var(--text-tertiary);
}

.tableWrap {
  overflow-x: auto;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  margin-top: var(--space-lg);
  background: rgba(0, 0, 0, 0.2);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
}

th, td {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
  font-size: var(--font-sm);
}

th {
  background: rgba(0, 0, 0, 0.4);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: var(--font-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

td { color: var(--text-primary); }

tbody tr { transition: background var(--transition-fast); }
tbody tr:hover { background: rgba(255, 255, 255, 0.03); }
tbody tr:last-child td { border-bottom: none; }

.actionBtns {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.msg {
  margin-top: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: var(--font-sm);
  font-weight: 500;
  border: 1px solid transparent;
}

.msg.ok {
  color: var(--accent-success);
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.2);
}

.msg.err {
  color: var(--accent-error);
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.2);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.card, .btn, input, select {
  animation: fadeIn var(--transition-slow) ease-out;
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: rgba(0, 0, 0, 0.2); }
::-webkit-scrollbar-thumb { background: var(--glass-border); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--glass-hover); }

@media (max-width: 480px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }

  .right {
    width: 100%;
    justify-content: space-between;
  }

  .card { padding: var(--space-xl); }
  .otp { font-size: var(--font-2xl); }
  table { min-width: 600px; }

  .kv > div {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }

  .actionBtns { flex-direction: column; }
  .btn-small { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

*:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}