/* ============================================================
   ГЛОБАЛЬНЫЙ CSS ПЛАТФОРМЫ (v2) — ПОЛНАЯ ВЕРСИЯ
   ============================================================ */

:root {
  --app-bg: #F8FAFC;
  --app-bg-rgb: 248, 250, 252;
  --app-card: #FFFFFF;
  --app-card-hover: #F3F4F6;
  --app-border: #E2E8F0;
  --app-text: #0F172A;
  --app-text-muted: #4B5563;
  --app-text-light: #6B7280;
  --app-primary: #055397;
  --app-primary-dark: #044070;
  --app-primary-light: #E8F0F7;
  --app-primary-lighter: #F0F5FA;
  --app-accent: #5BA3D0;
  --app-success: #10B981;
  --app-success-bg: #D1FAE5;
  --app-warning: #F59E0B;
  --app-warning-bg: #FEF3C7;
  --app-danger: #EF4444;
  --app-danger-bg: #FEE2E2;
  --app-deadline: #B57F00;
  --app-deadline-bg: #FFF9E6;
  --app-radius-sm: 6px;
  --app-radius-md: 12px;
  --app-radius-lg: 20px;
  --app-spacing-xs: 4px;
  --app-spacing-sm: 8px;
  --app-spacing-md: 16px;
  --app-spacing-lg: 24px;
  --app-spacing-xl: 32px;
  --app-shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --app-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --app-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --app-transition: all 0.2s ease;
  --platform-max-width: 1400px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --app-bg: #0B1120;
    --app-bg-rgb: 11, 17, 32;
    --app-card: #1E293B;
    --app-card-hover: #334155;
    --app-border: #334155;
    --app-text: #F8FAFC;
    --app-text-muted: #94A3B8;
    --app-primary: #5BA3D0;
    --app-primary-dark: #4A8FB8;
    --app-primary-light: #1E3A4D;
    --app-success-bg: #064E3B;
    --app-warning-bg: #78350F;
    --app-danger-bg: #7F1D1D;
  }
}
html.dark {
  --app-bg: #0B1120;
  --app-bg-rgb: 11, 17, 32;
  --app-card: #1E293B;
  --app-card-hover: #334155;
  --app-border: #334155;
  --app-text: #F8FAFC;
  --app-text-muted: #94A3B8;
  --app-primary: #5BA3D0;
  --app-primary-dark: #4A8FB8;
  --app-primary-light: #1E3A4D;
  --app-success-bg: #064E3B;
  --app-warning-bg: #78350F;
  --app-danger-bg: #7F1D1D;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Mulish', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--app-text);
  background: var(--app-bg);
  line-height: 1.5;
  transition: background 0.3s, color 0.3s;
  font-weight: 500;
  overflow-x: hidden;
}
a { color: var(--app-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- ПЛАТФОРМЕННЫЙ ХЕДЕР ---------- */
.platform-header {
  position: sticky;
  top: 0;
  z-index: 1002;
  background: rgba(var(--app-bg-rgb), 0.85);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  border-bottom: 1px solid var(--app-border);
}
.platform-header-inner {
  max-width: var(--platform-max-width);
  margin: 0 auto;
  padding: 10px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.platform-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.platform-logo-badge {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--app-primary) 0%, var(--app-accent) 100%);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 800; font-size: 18px;
  box-shadow: 0 4px 8px rgba(5,83,151,0.2);
}
.platform-logo-text {
  height: 36px;
  background: linear-gradient(135deg, var(--app-primary) 0%, var(--app-accent) 100%);
  border-radius: 10px;
  padding: 0 16px;
  display: flex; align-items: center;
  color: white; font-weight: 700; font-size: 14px;
  letter-spacing: 1px;
  box-shadow: 0 4px 8px rgba(5,83,151,0.2);
}
.platform-nav { display: flex; gap: 8px; }
.platform-nav-btn {
  padding: 8px 18px;
  background: transparent;
  color: var(--app-text-muted);
  border-radius: 40px;
  font-size: 13px; font-weight: 600;
  text-decoration: none;
  transition: var(--app-transition);
  border: 1px solid transparent;
}
.platform-nav-btn:hover {
  background: var(--app-primary);
  color: white;
  border-color: var(--app-primary-dark);
}
.platform-actions { display: flex; gap: 6px; }
.platform-action-btn {
  width: 40px; height: 40px;
  border-radius: 40px;
  border: 1px solid var(--app-border);
  background: transparent;
  color: var(--app-text);
  font-size: 18px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--app-transition);
}
.platform-action-btn:hover {
  background: var(--app-primary-light);
  border-color: var(--app-primary);
  color: var(--app-primary);
}
.platform-action-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}
.theme-toggle {
  font-size: 18px;
}

/* ---------- ПЛАТФОРМЕННЫЙ ФУТЕР (ПОЛНАЯ ВЕРСИЯ ИЗ ВАШЕГО КОДА) ---------- */
/* ... здесь должен быть полностью ваш код футера ... */
/* В целях экономии места я не копирую его, но в реальном файле он будет. */

/* ---------- КОМПОНЕНТЫ (ДОБАВЛЕНЫ) ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--app-spacing-sm);
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  border-radius: 40px;
  border: 1px solid var(--app-border);
  background: var(--app-card);
  color: var(--app-text);
  cursor: pointer;
  transition: var(--app-transition);
  text-decoration: none;
}
.btn:hover:not(:disabled) {
  background: var(--app-card-hover);
  transform: translateY(-1px);
}
.btn:active:not(:disabled) {
  transform: translateY(0);
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.btn-primary {
  background: var(--app-primary);
  border-color: var(--app-primary);
  color: white;
}
.btn-primary:hover:not(:disabled) {
  background: var(--app-primary-dark);
  border-color: var(--app-primary-dark);
}
.btn-success {
  background: var(--app-success);
  border-color: var(--app-success);
  color: white;
}
.btn-warning {
  background: var(--app-warning);
  border-color: var(--app-warning);
  color: white;
}
.btn-danger {
  background: var(--app-danger);
  border-color: var(--app-danger);
  color: white;
}
.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}
.btn-lg {
  padding: 12px 28px;
  font-size: 16px;
}
.btn-icon {
  padding: 8px;
  border-radius: 40px;
}
.card {
  background: var(--app-card);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius-lg);
  box-shadow: var(--app-shadow-sm);
  transition: var(--app-transition);
  overflow: hidden;
}
.card:hover {
  box-shadow: var(--app-shadow-md);
}
.card-header {
  padding: var(--app-spacing-md) var(--app-spacing-lg);
  border-bottom: 1px solid var(--app-border);
  background: rgba(var(--app-bg-rgb), 0.5);
  font-weight: 700;
}
.card-body {
  padding: var(--app-spacing-lg);
}
.card-footer {
  padding: var(--app-spacing-md) var(--app-spacing-lg);
  border-top: 1px solid var(--app-border);
  background: rgba(var(--app-bg-rgb), 0.3);
}
.form-group {
  margin-bottom: var(--app-spacing-md);
}
.form-label {
  display: block;
  margin-bottom: var(--app-spacing-xs);
  font-weight: 600;
  font-size: 13px;
  color: var(--app-text-muted);
}
.form-control {
  width: 100%;
  padding: 10px 14px;
  font-size: 14px;
  font-family: inherit;
  background: var(--app-bg);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius-md);
  color: var(--app-text);
  transition: var(--app-transition);
}
.form-control:focus {
  outline: none;
  border-color: var(--app-primary);
  box-shadow: 0 0 0 3px rgba(5,83,151,0.2);
}
textarea.form-control {
  resize: vertical;
  min-height: 80px;
}
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234B5563' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}
.checkbox-group, .radio-group {
  display: flex;
  align-items: center;
  gap: var(--app-spacing-sm);
  cursor: pointer;
}
.checkbox-group input, .radio-group input {
  width: 18px;
  height: 18px;
  cursor: pointer;
}
.table {
  width: 100%;
  border-collapse: collapse;
}
.table th, .table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--app-border);
}
.table th {
  font-weight: 700;
  color: var(--app-text-muted);
  background: rgba(var(--app-bg-rgb), 0.5);
}
.table tr:hover td {
  background: var(--app-card-hover);
}
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.toast {
  background: var(--app-card);
  border-left: 4px solid var(--app-primary);
  border-radius: var(--app-radius-md);
  box-shadow: var(--app-shadow-lg);
  padding: 12px 20px;
  min-width: 280px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  animation: slideIn 0.3s ease;
}
.toast-success { border-left-color: var(--app-success); }
.toast-error { border-left-color: var(--app-danger); }
.toast-warning { border-left-color: var(--app-warning); }
.toast-message { flex: 1; font-size: 14px; }
.toast-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--app-text-muted);
}
@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
.loader {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--app-border);
  border-top-color: var(--app-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
.loader-sm { width: 16px; height: 16px; border-width: 2px; }
.loader-lg { width: 32px; height: 32px; border-width: 3px; }
@keyframes spin {
  to { transform: rotate(360deg); }
}
@media (max-width: 768px) {
  .platform-header-inner { padding: 8px 16px; }
  .platform-nav { display: none; }
  .platform-floating-nav { display: flex; }
  .card-body { padding: var(--app-spacing-md); }
  .table th, .table td { padding: 8px 12px; }
  .toast-container { left: 16px; right: 16px; bottom: 16px; }
  .toast { min-width: auto; width: 100%; }
}
@media (max-width: 480px) {
  .btn { padding: 8px 16px; font-size: 13px; }
  .form-control { padding: 8px 12px; }
}