/* =========================================
   Modernized Minimal — Unified style.css
   ========================================= */

/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ===== Light Theme (default) ===== */
:root {
  --bg: #f7f9fc;
  --bg-grad-a: #f8fafc;
  --bg-grad-b: #eef2ff;

  --brand: #354f91;      /* header/footer left */
  --brand-600: #2f4fa8;  /* header/footer right + buttons */

  --text: #111827;
  --muted: #4b5563;
  --surface: #ffffff;
  --surface-2: #fafafa;
  --border: #e5e7eb;

  --primary: #2563eb;
  --primary-300: #93c5fd;

  --success: #16a34a;
  --danger: #dc2626;

  --shadow-1: 0 6px 18px rgba(0,0,0,0.08);
  --shadow-2: 0 10px 24px rgba(0,0,0,0.12);
  --radius: 12px;
  --radius-sm: 8px;
}

/* ===== Dark Theme ===== */
html[data-theme="dark"],
body.dark {
  --bg: #0b1220;
  --bg-grad-a: #0a1025;
  --bg-grad-b: #0d1735;

  --surface: #101826;
  --surface-2: #111b2f;

  --text: #f9fafb;
  --muted: #cbd5e1;
  --border: #1f2937;

  --brand: #0a1a3a;      /* deep navy */
  --brand-600: #1e3a8a;

  --shadow-1: 0 6px 18px rgba(0,0,0,0.6);
  --shadow-2: 0 10px 28px rgba(0,0,0,0.75);
}

/* Bold text should remain visible in dark mode */
html[data-theme="dark"] strong,
body.dark strong {
  color: #e5e7eb;
}

/* Improve form field readability in dark mode */
html[data-theme="dark"] input,
html[data-theme="dark"] select,
html[data-theme="dark"] textarea,
body.dark input,
body.dark select,
body.dark textarea {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border);
}

html[data-theme="dark"] input::file-selector-button,
body.dark input::file-selector-button {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}

/* ===== Base Layout ===== */
*,
*::before,
*::after { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, system-ui, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(135deg, var(--bg-grad-a), var(--bg-grad-b));
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto; /* header | content | footer */
}

main { padding: 0 16px; }

.centered {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

/* ===== Header / Nav ===== */
header nav {
  background: linear-gradient(135deg, var(--brand), var(--brand-600));
  padding: 12px 16px;
  box-shadow: var(--shadow-1);
  border-bottom: 1px solid rgba(255,255,255,0.16);
  color: #fff;
}
header nav ul {
  list-style: none;
  margin: 0; padding: 0;
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
}
header nav li { margin: 0; }
header nav li a {
  color: #fff; text-decoration: none;
  padding: 9px 14px; border-radius: 10px;
  font-weight: 600;
  transition: transform .15s ease, background-color .2s ease, box-shadow .2s ease;
}
header nav li a:hover {
  background-color: rgba(255,255,255,0.12);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(0,0,0,0.15);
}

/* ===== Sticky Header (page-level) ===== */
header {
  position: sticky;
  top: 0;
  z-index: 2000; /* выше таблиц, модалок с z<2000 */
}

/* Правый блок с кнопками */
header nav li.nav-right {
  margin-left: auto;
  display: flex;
  gap: 12px;
  align-items: center;
}

/* Стиль кнопок в навигации (и для <a>, и для <button>) */
.nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 14px;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;

  background: linear-gradient(135deg, var(--brand), var(--brand-600));
  color: #fff;
  border: none;
  box-shadow: var(--shadow-1);
  transition: transform .15s ease, box-shadow .2s ease, filter .2s ease;
}
.nav-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
  filter: saturate(1.05);
}
.nav-btn:active { transform: translateY(0); }

/* ===== Card ===== */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-2);
  padding: 24px;
  color: var(--text);
}

/* ===== Forms ===== */
label { display: block; margin: 10px 0 6px; font-weight: 600; color: var(--text); }
input[type="file"],
input[type="text"],
input[type="password"],
input[type="email"],
select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  transition: border-color .15s ease, box-shadow .15s ease;
}
input::file-selector-button{
  margin-right:10px; padding:8px 12px;
  border:1px solid var(--border);
  border-radius: 8px; background: var(--surface-2);
  cursor:pointer;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--primary-300);
  box-shadow: 0 0 0 4px rgba(59,130,246,0.25);
}

/* ===== Primary Buttons (в формах) ===== */
button, .button, .btn-primary {
  display: inline-flex; justify-content: center; align-items: center;
  gap: 8px;
  width: 100%;
  margin-top: 15px;
  padding: 12px 16px;

  background: linear-gradient(135deg, var(--brand), var(--brand-600));
  color: #fff;

  border: none;
  border-radius: 12px;
  font-weight: 700; letter-spacing: .2px;
  box-shadow: var(--shadow-1);
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, filter .2s ease;
}
button:hover, .button:hover, .btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
  filter: saturate(1.05);
}
button:active, .button:active, .btn-primary:active { transform: translateY(0); }

/* ===== Tables ===== */
.table-shell {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  padding: 12px;
  overflow: auto;
}
table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  background: var(--surface);
}
table th, table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  color: var(--text);
}
table th {
  background: #f3f4f6; font-weight: 600;
  position: sticky; top: 0; z-index: 1;
}
table tr:nth-child(even) td { background: #f9fafb; }
table tr:hover td { background: #f1f5f9; }

html[data-theme="dark"] table th,
body.dark table th { background: #1e293b; color: #f9fafb; }
html[data-theme="dark"] table tr:nth-child(even) td,
body.dark table tr:nth-child(even) td { background: #162032; }
html[data-theme="dark"] table tr:hover td,
body.dark table tr:hover td { background: #1e2a40; }

#agents-table th.check-col, #agents-table td.check-col {
  width: 40px; text-align: center; white-space: nowrap;
}

/* ===== Compact Tables ===== */
.table-shell.compact { padding: 8px; border-radius: 10px; }
.table-compact { font-size: 0.92rem; border-spacing: 0; }
.table-compact th, .table-compact td { padding: 6px 8px; line-height: 1.25; }
.table-compact tr:nth-child(even) td { background: #f5f7fb; }
.table-compact tr:hover td { background: #eef2f7; }
html[data-theme="dark"] .table-compact tr:nth-child(even) td,
body.dark .table-compact tr:nth-child(even) td { background: #162032; }
html[data-theme="dark"] .table-compact tr:hover td,
body.dark .table-compact tr:hover td { background: #1e2a40; }

/* ===== DataTables: Column Visibility ===== */
.dt-button.buttons-columnVisibility {
  background-color: #eef2ff !important;
  color: #1f2937 !important;
  border: 1px solid var(--border) !important;
  border-radius: 8px !important;
  padding: 8px 10px !important;
  margin: 0 6px 6px 0 !important;
}
.dt-button.buttons-columnVisibility.active {
  background: linear-gradient(135deg, var(--brand), var(--brand-600)) !important;
  color: #fff !important;
  border-color: transparent !important;
}

/* выпадающее меню */
div.dt-button-collection {
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  border-radius: 10px !important;
  box-shadow: var(--shadow-2) !important;
  padding: 8px !important;
}

/* пункты (не активны — светлые) */
div.dt-button-collection button.dt-button,
div.dt-button-collection a.dt-button,
div.dt-button-collection .dt-button {
  display: block !important;
  width: 100% !important;
  text-align: left !important;
  margin: 4px 0 !important;
  padding: 10px 12px !important;

  border-radius: 10px !important;
  border: 1px solid var(--border) !important;

  background-image: none !important;
  box-shadow: none !important;
  text-shadow: none !important;

  background: #f3f4f6 !important;
  color: var(--text) !important;
}
div.dt-button-collection button.dt-button:not(.active):not([aria-pressed="true"]):hover,
div.dt-button-collection a.dt-button:not(.active):not([aria-pressed="true"]):hover {
  background: #e5e7eb !important;
}

/* активные — тёмно-синие */
div.dt-button-collection .dt-button.active,
div.dt-button-collection .dt-button[aria-pressed="true"] {
  background-image: none !important;
  background: linear-gradient(135deg, var(--brand), var(--brand-600)) !important;
  color: #fff !important;
  border-color: transparent !important;
  box-shadow: var(--shadow-1) !important;
}

/* дарк */
html[data-theme="dark"] div.dt-button-collection,
body.dark div.dt-button-collection {
  background: var(--surface) !important;
  border-color: var(--border) !important;
}
html[data-theme="dark"] div.dt-button-collection .dt-button,
body.dark div.dt-button-collection .dt-button {
  background: #162032 !important;
  color: var(--text) !important;
  border-color: #22314d !important;
}
html[data-theme="dark"] div.dt-button-collection .dt-button:hover,
body.dark div.dt-button-collection .dt-button:hover {
  background: #1e2a40 !important;
}

/* ===== Messages ===== */
.message {
  margin-top: 10px; padding: 12px 14px;
  background: #ecfdf5; border: 1px solid #bbf7d0;
  border-radius: var(--radius-sm); color: #064e3b;
}
.error {
  margin-top: 10px; padding: 12px 14px;
  background: #fef2f2; border: 1px solid #fecaca;
  border-radius: var(--radius-sm); color: #7f1d1d;
}
html[data-theme="dark"] .message, body.dark .message { background: #064e3b; border-color: #10b981; color: #d1fae5; }
html[data-theme="dark"] .error, body.dark .error { background: #7f1d1d; border-color: #fecaca; color: #fee2e2; }

/* ===== Progress Bar ===== */
.progress-bar {
  width: 100%; height: 16px;
  background: #e6eefc; border-radius: 999px;
  border: 1px solid #d8e2fb;
  overflow: hidden;
}
.progress-bar div {
  height: 100%; width: 0;
  background: linear-gradient(90deg, #3b82f6, #60a5fa);
  transition: width 0.45s ease;
}

/* ===== Modal ===== */
.modal { display: none; position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,0.45); }
.modal-content {
  background: var(--surface);
  margin: 5% auto; padding: 20px;
  border-radius: var(--radius);
  max-width: 600px;
  box-shadow: var(--shadow-2);
  position: relative;
  border: 1px solid var(--border);
  color: var(--text);
  max-height: 80vh;
  overflow-y: auto;
}
.modal-content .close {
  position: absolute; top: 10px; right: 10px;
  font-size: 22px; cursor: pointer; color: var(--muted);
}
.modal-content .close:hover { color: var(--text); }

/* ===== Footer ===== */
.site-footer {
  background: linear-gradient(135deg, var(--brand), var(--brand-600));
  color: #fff; padding: 12px 20px;
  box-shadow: 0 -6px 18px rgba(0,0,0,0.12);
}
.site-footer p { margin: 0; color: #fff; }
.footer-line {
  height: 4px; background: rgba(255,255,255,0.65);
  border-radius: 999px; margin-bottom: 8px;
}

/* ===== Utilities ===== */
.muted { color: var(--muted); }

/* ===== FIX: навбарные кнопки не должны наследовать стилы кнопок форм ===== */
header nav .nav-right .nav-btn {
  width: auto !important;
  margin: 0 !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;

  height: 40px;
  line-height: 1;
  padding: 0 14px;
  border-radius: 10px;
  box-sizing: border-box;
  flex: 0 0 auto;
}
header nav .nav-right a.nav-btn {
  height: 40px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}