/* Moderní lehký design pro Flask app - optimalizovaný */
/* Pouze použité třídy pro login.html, table.html, base.html */

:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --radius: 0.75rem;
  --font-size-base: 1rem;
}

[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --border: #334155;
}

* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg-secondary);
  color: var(--text-primary);
  margin: 0;
  padding: 1rem;
  line-height: 1.6;
  transition: background 0.3s ease, color 0.3s ease;
}

/* Layout kontejner */
.container {
  max-width: 1400px;
  margin: 0 auto;
}

/* Navigace z base.html */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-primary);
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
}

nav a, nav button {
  color: var(--text-primary);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  transition: background 0.2s ease;
}

nav a:hover, nav button:hover {
  background: var(--accent);
  color: white;
}

/* Hlavní obsah */
main {
  background: var(--bg-primary);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  animation: fadeIn 0.5s ease-out;
}

h1, h2 {
  color: var(--text-primary);
  margin-top: 0;
}

/* Centrum pro login stránku */
.login-centered {
  max-width: 420px;
  margin: 0 auto;
}

.full-height-center main {
  width: 100%;
  max-width: 420px;
  padding: 2.5rem;
}

/* Formuláře - login.html */
.aligned-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 400px;
}

.form-row {
  display: grid;
  grid-template-columns: 85px 1fr;
  gap: 1rem;
  align-items: stretch;
}

.form-row span {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  font-weight: 500;
  color: var(--text-secondary);
  padding-right: 0.5rem;
}

.form-row input {
  height: 48px;
  padding: 0 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  width: 100%;
}

input, button {
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: var(--font-size-base);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  background: var(--bg-primary);
  color: var(--text-primary);
}

input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

button {
  background: var(--accent);
  color: white;
  border: none;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  background: var(--accent-hover);
}

/* Tabulka - table.html */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  background: var(--bg-secondary);
  font-weight: 600;
}

/* DataTables kompletní styly - table.js */
.dataTables_wrapper {
  font-size: 0.95rem;
  padding: 1rem 0;
  color: var(--text-primary);
}

.dataTables_length,
.dataTables_filter,
.dataTables_info,
.dataTables_paginate {
  margin-bottom: 0.75rem;
}

.dataTables_length select,
.dataTables_filter input {
  padding: 0.4rem 0.6rem;
  background: var(--bg-primary);
  color: var(--text-primary);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

/* DataTables tlačítka a dropdown */
.dt-button {
  background: var(--accent) !important;
  color: #fff !important;
  border-radius: 0.5rem !important;
  border: none !important;
  padding: 0.45rem 0.9rem !important;
  font-size: 0.9rem !important;
  margin-right: 0.5rem !important;
}

.dt-button:hover,
.dt-button:focus {
  background: var(--accent-hover) !important;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.25) !important;
}

/* Dropdown kolekce (Order Selection, Export) */
div.dt-button-collection {
  background: var(--bg-primary) !important;
  border-radius: 0.75rem !important;
  border: 1px solid var(--border) !important;
  box-shadow: var(--shadow-sm) !important;
  padding: 0.35rem 0 !important;
}

div.dt-button-collection .dt-button {
  background: transparent !important;
  color: var(--text-primary) !important;
  text-align: left !important;
  display: block !important;
  width: 100% !important;
  border-radius: 0 !important;
  padding: 0.5rem 1rem !important;
}

div.dt-button-collection .dt-button:hover {
  background: var(--bg-secondary) !important;
}

div.dt-button-collection .dt-button + .dt-button {
  border-top: 1px solid var(--border) !important;
}

/* Layout řádky DataTables */
.dataTables_wrapper .dt-layout-row:first-child {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
}

.dataTables_wrapper .dt-layout-row:first-child > * {
  margin-bottom: 0 !important;
}

table.dataTable thead th,
table.dataTable tbody td {
  white-space: nowrap;
  font-size: 0.85em;
}


/* Zprávy/flash */
ul {
  list-style: none;
  padding: 0;
}

li {
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  border-radius: var(--radius);
  background: #fef3c7;
  border: 1px solid #f59e0b;
  color: #92400e;
}

/* Responsive */
@media (max-width: 768px) {
  body { padding: 0.5rem; }
  nav { flex-direction: column; gap: 1rem; }
  main { padding: 1rem; }
}

@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .form-row span {
    justify-content: flex-start;
    padding-right: 0;
  }
}

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


/* Kompaktní paginace - tlačítka vedle sebe */
.dataTables_paginate .paginate_button {
  padding: 0.3rem 0.6rem !important;
  margin: 0 1px !important;
  min-width: auto !important;
  font-size: 0.85rem !important;
  line-height: 1.2 !important;
  border-radius: 0.375rem !important;
}

.dataTables_paginate .paginate_button.current {
  background: var(--accent) !important;
  color: white !important;
  border: 1px solid var(--accent) !important;
}

.dataTables_paginate .paginate_button:hover {
  background: var(--accent-hover) !important;
  color: white !important;
  border: 1px solid var(--accent-hover) !important;
}

/* Margin mezi řádky */
.dataTables_wrapper .row {
  margin-bottom: 0.75rem;
}


/* Buttons řádek */
.dataTables_wrapper .buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-start;
}


/* ===== DataTables 2.x layout FIX ===== */

.dataTables_wrapper .dt-layout-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.dataTables_wrapper .dt-layout-cell {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Levá / pravá strana */
.dataTables_wrapper .dt-layout-start {
  justify-content: flex-start;
}

.dataTables_wrapper .dt-layout-end {
  justify-content: flex-end;
}

/* Filtr input */
.dataTables_filter input {
  margin-left: 0.5rem;
}

/* Stránkování */
.dataTables_paginate {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}