/* ============================================================
   KSFE - Klavi Secure File Exchange
   Estilos principais do sistema
   Cores: Primária #165DFF | Hover #0F4ED8 | Fundo #F5F7FB
          Cards #FFFFFF | Texto #1B2B41 | Secundário #6B7A90
   Fonte: Inter
   ============================================================ */

/* Reset e base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-primary: #165DFF;
  --color-primary-hover: #0F4ED8;
  --color-bg: #F5F7FB;
  --color-card: #FFFFFF;
  --color-text: #1B2B41;
  --color-text-secondary: #6B7A90;
  --color-border: #E8ECF2;
  --color-danger: #E53E3E;
  --color-success: #38A169;
  --color-warning: #D69E2E;
  --color-sidebar: #1B2B41;
  --sidebar-width: 240px;
  --header-height: 64px;
  --radius: 10px;
  --shadow: 0 2px 8px rgba(0,0,0,0.07);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
}

html, body {
  height: 100%;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ============================================================
   LAYOUT PRINCIPAL
   ============================================================ */

.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: var(--color-sidebar);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-logo {
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80px;
}

.logo-img {
  max-width: 160px;
  max-height: 48px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.sidebar-nav {
  padding: 16px 12px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  transition: all 0.15s ease;
  margin-bottom: 4px;
}

.nav-item:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
}

.nav-item.active {
  background: var(--color-primary);
  color: #fff;
}

.nav-item svg {
  flex-shrink: 0;
  opacity: 0.8;
}

.nav-item.active svg { opacity: 1; }

/* Conteúdo principal */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
.top-header {
  height: var(--header-height);
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}

.page-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
}

.user-avatar-sm {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 11px;
  flex-shrink: 0;
}

.user-details {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-weight: 600;
  font-size: 13px;
  color: var(--color-text);
}

.user-role {
  font-size: 11px;
  font-weight: 500;
  padding: 1px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-logout {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 8px;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--color-border);
  transition: all 0.15s;
}

.btn-logout:hover {
  background: #FFF5F5;
  color: var(--color-danger);
  border-color: #FEB2B2;
}

/* Conteúdo da página */
.page-content {
  padding: 28px;
  flex: 1;
}

/* ============================================================
   MENSAGENS / ALERTAS
   ============================================================ */

.messages-container {
  padding: 0 28px;
  margin-top: 12px;
}

.messages-floating {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  max-width: 400px;
  padding: 0;
}

.alert {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow);
}

.alert-success, .alert-successmessage { background: #F0FFF4; color: #276749; border: 1px solid #9AE6B4; }
.alert-error, .alert-errormessage { background: #FFF5F5; color: #9B2C2C; border: 1px solid #FEB2B2; }
.alert-warning { background: #FFFBEB; color: #744210; border: 1px solid #F6E05E; }
.alert-info, .alert-infomessage { background: #EBF8FF; color: #2C5282; border: 1px solid #90CDF4; }

.alert-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  color: inherit;
  opacity: 0.6;
  padding: 0 0 0 12px;
}

.alert-close:hover { opacity: 1; }

/* ============================================================
   CARDS
   ============================================================ */

.card {
  background: var(--color-card);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.content-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.content-header-left { flex: 1; }
.content-header-right { display: flex; gap: 10px; }

.content-subtitle {
  color: var(--color-text-secondary);
  font-size: 13px;
}

/* ============================================================
   BOTÕES
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  color: #fff;
}

.btn-secondary {
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

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

.btn-danger {
  background: var(--color-danger);
  color: #fff;
}

.btn-danger:hover {
  background: #C53030;
  color: #fff;
}

.btn-full { width: 100%; justify-content: center; }
.btn-lg { padding: 11px 22px; font-size: 15px; }

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Botões de ação na tabela */
.action-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.15s;
}

.btn-download {
  background: #EBF8FF;
  color: var(--color-primary);
}

.btn-download:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn-delete {
  background: #FFF5F5;
  color: var(--color-danger);
}

.btn-delete:hover {
  background: var(--color-danger);
  color: #fff;
}

/* ============================================================
   FORMULÁRIOS
   ============================================================ */

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form-input, .form-select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--color-text);
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
  font-family: inherit;
  appearance: none;
}

.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.12);
}

.form-input-readonly {
  background: var(--color-bg);
  color: var(--color-text-secondary);
  cursor: not-allowed;
}

.form-hint {
  display: block;
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

.required {
  color: var(--color-danger);
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 28px;
}

.form-card, .upload-card {
  padding: 32px;
  max-width: 640px;
}

/* Filtros */
.filter-card {
  padding: 20px;
  margin-bottom: 16px;
}

.filter-form .filter-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.filter-form .form-group {
  flex: 1;
  min-width: 160px;
  margin-bottom: 0;
}

.form-group-actions {
  display: flex;
  gap: 8px;
  flex: 0 0 auto !important;
  min-width: auto !important;
}

/* ============================================================
   TABELAS
   ============================================================ */

.table-responsive {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.table thead tr {
  border-bottom: 2px solid var(--color-border);
}

.table th {
  padding: 12px 16px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: middle;
}

.table tbody tr:last-child td {
  border-bottom: none;
}

.table tbody tr:hover {
  background: #FAFBFD;
}

.text-center { text-align: center; }
.text-muted { color: var(--color-text-secondary); }
.nowrap { white-space: nowrap; }

/* ============================================================
   BADGES E INDICADORES
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-client { background: #EBF8FF; color: #2B6CB0; }
.badge-staff { background: #F0FFF4; color: #276749; }
.badge-admin { background: #FAF5FF; color: #6B46C1; }

/* Badges de ação na auditoria */
.badge-action { font-size: 11px; }
.badge-login { background: #EBF8FF; color: #2B6CB0; }
.badge-upload { background: #F0FFF4; color: #276749; }
.badge-download { background: #FFFBEB; color: #744210; }
.badge-delete_file { background: #FFF5F5; color: #9B2C2C; }
.badge-create_user { background: #FAF5FF; color: #6B46C1; }
.badge-create_client { background: #FAF5FF; color: #6B46C1; }
.badge-delete_user { background: #FFF5F5; color: #9B2C2C; }
.badge-delete_client { background: #FFF5F5; color: #9B2C2C; }

.code-badge {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  background: var(--color-bg);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.client-badge {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text);
}

.type-badge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.type-pdf { background: #FFF5F5; color: #C53030; }
.type-csv { background: #F0FFF4; color: #276749; }
.type-xls, .type-xlsx { background: #F0FFF4; color: #276749; }
.type-txt { background: #EBF8FF; color: #2B6CB0; }
.type-json { background: #FAF5FF; color: #6B46C1; }

.count-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 22px;
  padding: 0 6px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 11px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.ip-code {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  background: var(--color-bg);
  padding: 2px 5px;
  border-radius: 4px;
  color: var(--color-text-secondary);
}

/* ============================================================
   ARQUIVO - NOME E ÍCONE
   ============================================================ */

.file-name {
  display: flex;
  align-items: center;
  gap: 8px;
}

.file-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  flex-shrink: 0;
}

.file-icon-pdf { background: #FFF5F5; color: #C53030; }
.file-icon-csv { background: #F0FFF4; color: #276749; }
.file-icon-xls, .file-icon-xlsx { background: #F0FFF4; color: #276749; }
.file-icon-txt { background: #EBF8FF; color: #2B6CB0; }
.file-icon-json { background: #FAF5FF; color: #6B46C1; }

/* UUID completo e hash na tabela de arquivos */
.uuid-full {
  font-family: 'Courier New', monospace;
  font-size: 11px;
  color: var(--color-text-secondary);
  word-break: break-all;
  max-width: 260px;
  display: inline-block;
  cursor: help;
}

.hash-short {
  font-family: 'Courier New', monospace;
  font-size: 11px;
  color: var(--color-text-secondary);
  cursor: help;
  background: var(--color-bg);
  padding: 2px 5px;
  border-radius: 4px;
  border: 1px solid var(--color-border);
}

.file-name-sm {
  font-size: 13px;
  color: var(--color-text);
}

.user-cell {
  display: flex;
  align-items: center;
  gap: 8px;
}

.description-cell {
  max-width: 300px;
  color: var(--color-text-secondary);
  font-size: 13px;
}

/* ============================================================
   PAGINAÇÃO
   ============================================================ */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 16px;
  border-top: 1px solid var(--color-border);
}

.page-btn {
  padding: 7px 14px;
  border-radius: 7px;
  background: var(--color-bg);
  color: var(--color-text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--color-border);
  transition: all 0.15s;
}

.page-btn:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.page-info {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* ============================================================
   ESTADO VAZIO
   ============================================================ */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
  gap: 12px;
}

.empty-state h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
}

.empty-state p {
  color: var(--color-text-secondary);
  font-size: 14px;
}

/* ============================================================
   CONFIRMAÇÃO DE EXCLUSÃO
   ============================================================ */

.confirm-card {
  max-width: 520px;
  margin: 0 auto;
  padding: 40px;
  text-align: center;
}

.confirm-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  margin: 0 auto 20px;
}

.confirm-icon-danger {
  background: #FFF5F5;
}

.confirm-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.confirm-message {
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.confirm-details {
  background: var(--color-bg);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
  text-align: left;
}

.detail-row {
  display: flex;
  gap: 12px;
  padding: 6px 0;
  border-bottom: 1px solid var(--color-border);
}

.detail-row:last-child { border-bottom: none; }

.detail-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  min-width: 100px;
}

.detail-value {
  font-size: 13px;
  color: var(--color-text);
}

.confirm-warning {
  font-size: 13px;
  color: var(--color-danger);
  margin-bottom: 24px;
}

.confirm-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* ============================================================
   UPLOAD
   ============================================================ */

.upload-dropzone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 24px;
  position: relative;
}

.upload-dropzone:hover, .upload-dropzone.dragover {
  border-color: var(--color-primary);
  background: rgba(22, 93, 255, 0.03);
}

.dropzone-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.dropzone-content h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
}

.dropzone-content p {
  color: var(--color-text-secondary);
  font-size: 14px;
}

.upload-link {
  color: var(--color-primary);
  cursor: pointer;
  font-weight: 500;
}

.upload-hint {
  font-size: 12px !important;
  color: var(--color-text-secondary) !important;
}

.upload-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.dropzone-selected {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: center;
}

.selected-filename {
  font-weight: 600;
  color: var(--color-text);
  font-size: 14px;
}

.selected-filesize {
  color: var(--color-text-secondary);
  font-size: 13px;
}

.btn-remove-file {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--color-text-secondary);
  line-height: 1;
  padding: 4px;
}

.btn-remove-file:hover { color: var(--color-danger); }

.upload-progress {
  margin-bottom: 20px;
}

.progress-bar {
  height: 6px;
  background: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 8px;
}

.progress-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: 3px;
  transition: width 0.3s ease;
  width: 0%;
}

.progress-text {
  font-size: 13px;
  color: var(--color-text-secondary);
  text-align: center;
}

/* ============================================================
   LOGIN
   ============================================================ */

.login-page {
  min-height: 100vh;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-container {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.login-card {
  background: var(--color-card);
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.login-logo {
  text-align: center;
  margin-bottom: 28px;
}

.login-logo-img {
  max-width: 180px;
  max-height: 56px;
  object-fit: contain;
}

.login-header {
  text-align: center;
  margin-bottom: 28px;
}

.login-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
}

.login-subtitle {
  color: var(--color-text-secondary);
  font-size: 14px;
}

.login-form .form-group {
  margin-bottom: 20px;
}

.login-messages {
  margin-top: 16px;
}

.login-footer {
  font-size: 12px;
  color: var(--color-text-secondary);
  text-align: center;
}

/* Magic Link enviado */
.magic-link-sent {
  text-align: center;
  padding: 8px 0;
}

.magic-link-icon {
  margin-bottom: 16px;
}

.magic-link-sent h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
}

.magic-link-sent p {
  color: var(--color-text-secondary);
  font-size: 14px;
  margin-bottom: 8px;
}

.magic-link-info {
  font-size: 13px !important;
  background: #EBF8FF;
  padding: 10px 14px;
  border-radius: 8px;
  color: #2B6CB0 !important;
  margin-bottom: 20px !important;
}

/* ============================================================
   RESPONSIVIDADE
   ============================================================ */

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s;
  }

  .main-content {
    margin-left: 0;
  }

  .page-content {
    padding: 16px;
  }

  .filter-form .filter-row {
    flex-direction: column;
  }

  .filter-form .form-group {
    min-width: 100%;
  }

  .confirm-card {
    padding: 24px;
  }

  .form-card, .upload-card {
    padding: 20px;
  }
}