/* ==========================================================
   Painel FTP - SiteFC | Design Tokens & Estilos
   ========================================================== */

/* --- Design Tokens --- */
:root {
  /* Cores */
  --fc-orange:            #F58634;
  --fc-orange-dark:       #E8781F;
  --fc-orange-strong:     #B4550F;
  --fc-orange-strong-dark:#9C480D;
  --fc-graphite:          #201E1E;
  --fc-black:             #000000;
  --fc-white:             #FFFFFF;
  --fc-surface:           #F7F7F8;
  --fc-surface-strong:    #EEF2F6;
  --fc-text-muted:        #5E6066;
  --fc-border:            #E7E7EA;
  --fc-success:           #18864B;
  --fc-success-dark:      #12693A;

  /* Tipografia */
  --font-body:    'Inter', sans-serif;
  --font-display: 'Plus Jakarta Sans', sans-serif;

  --text-xs:  0.75rem;
  --text-sm:  0.875rem;
  --text-base:1rem;
  --text-lg:  1.125rem;
  --text-xl:  1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;

  /* Espaçamento */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;

  /* Bordas */
  --radius-xs:   4px;
  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   16px;
  --radius-full: 9999px;

  /* Sombras */
  --shadow-sm:         0 1px 2px rgba(0,0,0,.05);
  --shadow-md:         0 4px 6px -1px rgba(32,30,30,.10), 0 2px 4px -2px rgba(32,30,30,.10);
  --shadow-lg:         0 10px 15px -3px rgba(32,30,30,.08), 0 4px 6px -4px rgba(32,30,30,.08);
  --shadow-xl:         0 20px 25px -5px rgba(32,30,30,.10), 0 8px 10px -6px rgba(32,30,30,.10);
  --shadow-orange:     0 4px 12px rgba(245,134,52,.15);
  --shadow-orange-md:  0 8px 24px rgba(245,134,52,.20);

  /* Gradientes */
  --gradient-primary:     linear-gradient(135deg, #F58634 0%, #E8781F 100%);
  --gradient-dark:        linear-gradient(135deg, #201E1E 0%, #2a2725 100%);
  --gradient-orange-glow: radial-gradient(circle at center, rgba(245,134,52,.18) 0%, transparent 50%);
  --glass-light:          rgba(255,255,255,.78);
  --glass-border:         rgba(255,255,255,.62);

  /* Transições */
  --transition-fast:   0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; }

[x-cloak] { display: none !important; }

.dropdown-item {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--fc-graphite);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
}

.dropdown-item:hover,
.dropdown-item.active {
  background: rgba(245,134,52,.08);
  color: var(--fc-orange);
}

.dropdown-menu {
  border-radius: var(--radius-sm);
  border-color: var(--fc-border);
  box-shadow: var(--shadow-lg);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--fc-graphite);
  background-color: var(--fc-surface);
  background-image:
    linear-gradient(rgba(245,134,52,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,134,52,.04) 1px, transparent 1px),
    var(--gradient-orange-glow);
  background-size: 44px 44px, 44px 44px, 100% 100%;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--fc-graphite);
}

a { color: var(--fc-orange); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--fc-orange-dark); }

/* --- Header --- */
.fc-header {
  position: sticky;
  top: 0;
  z-index: 1040;
  background: var(--glass-light);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--glass-border);
  padding: var(--space-3) 0;
}

.fc-header .navbar-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-xl);
  color: var(--fc-graphite);
}

.fc-header .navbar-brand span {
  color: var(--fc-orange);
}

.fc-header .nav-link {
  font-weight: 500;
  color: var(--fc-text-muted);
  transition: color var(--transition-fast);
}

.fc-header .nav-link:hover,
.fc-header .nav-link.active {
  color: var(--fc-orange);
}

/* --- Buttons --- */
.btn-fc-primary {
  background: var(--gradient-primary);
  color: var(--fc-white);
  border: none;
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-5);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-orange);
}

.btn-fc-primary:hover {
  color: var(--fc-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-orange-md);
}

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

.btn-fc-secondary {
  background: var(--glass-light);
  color: var(--fc-graphite);
  border: 1px solid var(--fc-border);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-5);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: all var(--transition-normal);
}

.btn-fc-secondary:hover {
  color: var(--fc-orange);
  border-color: var(--fc-orange);
  background: var(--fc-white);
}

.btn-fc-danger {
  background: #DC3545;
  color: var(--fc-white);
  border: none;
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-5);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: all var(--transition-normal);
}

.btn-fc-danger:hover {
  color: var(--fc-white);
  background: #c82333;
  transform: translateY(-2px);
}

/* --- Cards --- */
.fc-card {
  background: var(--fc-white);
  border: 1px solid var(--fc-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.fc-card-header {
  background: var(--fc-white);
  border-bottom: 1px solid var(--fc-border);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--fc-graphite);
}

.fc-card-body {
  padding: var(--space-5);
}

/* --- Login Card --- */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    var(--gradient-dark);
  background-image:
    linear-gradient(rgba(245,134,52,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,134,52,.06) 1px, transparent 1px),
    var(--gradient-dark);
  background-size: 44px 44px, 44px 44px, 100% 100%;
}

.login-card {
  background: var(--fc-white);
  border: 1px solid var(--fc-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-8);
  width: 100%;
  max-width: 420px;
  animation: rise-in 0.5s ease;
}

.login-card .brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
}

.login-card .brand-logo .logo-icon {
  width: 56px;
  height: 56px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fc-white);
  font-size: 1.5rem;
  margin-right: var(--space-3);
  box-shadow: var(--shadow-orange);
}

.login-card .brand-logo h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  margin: 0;
  color: var(--fc-graphite);
}

.login-card .brand-logo h1 span {
  color: var(--fc-orange);
}

.login-card .form-label {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--fc-graphite);
  margin-bottom: var(--space-1);
}

.login-card .form-control {
  border-radius: var(--radius-sm);
  border: 1px solid var(--fc-border);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.login-card .form-control:focus {
  border-color: var(--fc-orange);
  box-shadow: 0 0 0 3px rgba(245,134,52,.15);
}

.login-card .form-control::placeholder {
  color: var(--fc-text-muted);
}

.login-footer {
  text-align: center;
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--fc-text-muted);
}

.login-footer span {
  color: var(--fc-orange);
  font-weight: 600;
}

/* --- Form Controls (geral) --- */
.form-label {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--fc-graphite);
  margin-bottom: var(--space-1);
}

.form-control,
.input-group-text {
  border-radius: var(--radius-sm);
  border: 1px solid var(--fc-border);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus,
.input-group-text:focus {
  border-color: var(--fc-orange);
  box-shadow: 0 0 0 3px rgba(245,134,52,.15);
  outline: none;
}

.form-control::placeholder {
  color: var(--fc-text-muted);
}

/* --- Input de busca --- */
.search-box {
  position: relative;
}

.search-box .form-control {
  border-radius: var(--radius-sm);
  border: 1px solid var(--fc-border);
  padding: var(--space-2) var(--space-4) var(--space-2) 2.5rem;
  font-size: var(--text-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  background: var(--fc-white);
}

.search-box .form-control:focus {
  border-color: var(--fc-orange);
  box-shadow: 0 0 0 3px rgba(245,134,52,.15);
  outline: none;
}

.search-box .search-icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--fc-text-muted);
  pointer-events: none;
}

/* --- Tabela --- */
.fc-table {
  border-collapse: separate;
  border-spacing: 0;
  width: 100%;
}

.fc-table thead th {
  background: var(--fc-surface-strong);
  border-bottom: 2px solid var(--fc-border);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--fc-graphite);
  padding: var(--space-3) var(--space-4);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: background var(--transition-fast);
  position: relative;
}

.fc-table thead th:hover {
  background: var(--fc-border);
}

.fc-table thead th.sorted-asc::after,
.fc-table thead th.sorted-desc::after {
  display: inline-block;
  margin-left: var(--space-1);
  font-size: var(--text-xs);
  color: var(--fc-orange);
}

.fc-table thead th.sorted-asc::after {
  content: '\25B2';
}

.fc-table thead th.sorted-desc::after {
  content: '\25BC';
}

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

.fc-table tbody tr:hover {
  background: rgba(245,134,52,.04);
}

.fc-table tbody td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--fc-border);
  font-size: var(--text-sm);
  vertical-align: middle;
}

.fc-table .file-name {
  color: var(--fc-orange);
  font-weight: 600;
  cursor: pointer;
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.fc-table .file-name:hover {
  color: var(--fc-orange-dark);
  text-decoration: underline;
}

.fc-table .file-icon {
  font-size: 1.1rem;
  color: var(--fc-orange);
  opacity: .7;
}

.fc-table .file-ext {
  display: inline-block;
  background: var(--fc-surface-strong);
  color: var(--fc-text-muted);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.fc-table .file-size {
  font-variant-numeric: tabular-nums;
  color: var(--fc-text-muted);
}

.fc-table .file-date {
  white-space: nowrap;
  color: var(--fc-text-muted);
}

/* --- Status badges --- */
.badge-fc {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.badge-fc-orange {
  background: rgba(245,134,52,.12);
  color: var(--fc-orange-strong);
}

.badge-fc-success {
  background: rgba(24,134,75,.10);
  color: var(--fc-success);
}

/* --- Empty State --- */
.empty-state {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  color: var(--fc-text-muted);
}

.empty-state .empty-icon {
  font-size: 3rem;
  color: var(--fc-border);
  margin-bottom: var(--space-4);
}

.empty-state h3 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--fc-graphite);
  margin-bottom: var(--space-2);
}

/* --- Footer --- */
.fc-footer {
  background: var(--fc-graphite);
  color: rgba(255,255,255,.72);
  padding: var(--space-5) 0;
  font-size: var(--text-sm);
  text-align: center;
  margin-top: var(--space-8);
}

.fc-footer a {
  color: rgba(255,255,255,.72);
  transition: color var(--transition-fast);
}

.fc-footer a:hover {
  color: var(--fc-orange);
}

.fc-footer .footer-brand {
  color: var(--fc-white);
  font-weight: 700;
}

/* --- Toast / Alert --- */
.fc-alert {
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-3) var(--space-4);
  border: none;
}

.fc-alert-danger {
  background: rgba(220,53,69,.10);
  color: #DC3545;
  border-left: 3px solid #DC3545;
}

.fc-alert-success {
  background: rgba(24,134,75,.10);
  color: var(--fc-success);
  border-left: 3px solid var(--fc-success);
}

/* --- Pagination --- */
.pagination .page-link {
  color: var(--fc-orange);
  border-color: var(--fc-border);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
}

.pagination .page-item.active .page-link {
  background: var(--gradient-primary);
  border-color: var(--fc-orange);
  color: var(--fc-white);
}

.pagination .page-link:hover {
  background: rgba(245,134,52,.08);
  color: var(--fc-orange-dark);
}

/* --- Animações --- */
@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: rise-in 0.4s ease;
}

@media (prefers-reduced-motion: reduce) {
  .animate-in { animation: none; }
  * { transition-duration: 0s !important; }
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .fc-table thead th,
  .fc-table tbody td {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
  }

  .login-card {
    margin: var(--space-4);
    padding: var(--space-5);
  }
}

/* --- Loading spinner --- */
.fc-spinner {
  width: 2rem;
  height: 2rem;
  border: 3px solid var(--fc-border);
  border-top-color: var(--fc-orange);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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