/* ----------------------------------------------------
   Variables & Temas
   ---------------------------------------------------- */
:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Colores */
  --bg-app: #090d16;
  --bg-panel: rgba(22, 30, 49, 0.65);
  --bg-panel-hover: rgba(26, 36, 59, 0.8);
  --bg-input: rgba(13, 20, 35, 0.9);
  
  --border-color: rgba(255, 255, 255, 0.07);
  --border-focus: rgba(59, 130, 246, 0.6);
  
  --text-main: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Acentos */
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-glow: rgba(59, 130, 246, 0.25);

  --success: #10b981;
  --success-hover: #059669;
  --success-glow: rgba(16, 185, 129, 0.2);

  --error: #ef4444;
  --error-hover: #dc2626;
  --error-glow: rgba(239, 68, 68, 0.2);

  --warning: #f59e0b;
  --warning-hover: #d97706;
  --warning-glow: rgba(245, 158, 11, 0.2);

  --info: #06b6d4;

  /* Sombras y Radios */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.45);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* Transición */
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ----------------------------------------------------
   Reset & Estilos Base
   ---------------------------------------------------- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  background-image: 
    radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.1) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(16, 185, 129, 0.05) 0px, transparent 50%),
    radial-gradient(at 50% 100%, rgba(6, 182, 212, 0.08) 0px, transparent 50%);
  background-attachment: fixed;
}

.app-container {
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  flex: 1;
}

/* ----------------------------------------------------
   Header
   ---------------------------------------------------- */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  background: var(--bg-panel);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo-icon {
  font-size: 28px;
  background: linear-gradient(135deg, var(--primary), var(--info));
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: white;
  font-weight: bold;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.logo-area h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

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

.header-status {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(13, 20, 35, 0.5);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
}

.status-badge .status-label {
  color: var(--text-secondary);
}

.status-badge .status-value {
  color: var(--primary);
  font-weight: 600;
  font-family: var(--font-mono);
}

/* ----------------------------------------------------
   Grid Layout
   ---------------------------------------------------- */
.app-main-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 24px;
  flex: 1;
}

@media (max-width: 950px) {
  .app-main-grid {
    grid-template-columns: 1fr;
  }
}

/* ----------------------------------------------------
   Paneles (Card Style)
   ---------------------------------------------------- */
.panel {
  background: var(--bg-panel);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.panel-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}

.panel-header h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
}

.panel-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ----------------------------------------------------
   Elementos de Formulario
   ---------------------------------------------------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-action-group {
  display: flex;
  gap: 8px;
}

.input-action-group select {
  flex: 1;
}

.btn-icon {
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

input[type="text"],
input[type="password"],
select {
  width: 100%;
  padding: 12px 16px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 14px;
  transition: var(--transition);
  outline: none;
}

input[type="text"]:focus,
input[type="password"]:focus,
select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

input::placeholder {
  color: var(--text-muted);
}

.help-text {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.3;
}

/* ----------------------------------------------------
   Botones
   ---------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  gap: 8px;
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 0 12px var(--primary-glow);
}

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

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
}

.btn-success {
  background-color: var(--success);
  color: white;
}

.btn-success:hover {
  background-color: var(--success-hover);
  box-shadow: 0 0 12px var(--success-glow);
}

.btn-danger {
  background-color: transparent;
  color: var(--error);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  background-color: var(--error);
  color: white;
  box-shadow: 0 0 12px var(--error-glow);
}

.btn-xs {
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
}

/* ----------------------------------------------------
   Tabs
   ---------------------------------------------------- */
.tabs-header {
  display: flex;
  background: rgba(13, 20, 35, 0.4);
  border-bottom: 1px solid var(--border-color);
}

.tab-btn {
  flex: 1;
  padding: 16px 20px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.tab-btn:hover {
  color: var(--text-main);
  background-color: rgba(255, 255, 255, 0.02);
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background-color: rgba(59, 130, 246, 0.03);
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* ----------------------------------------------------
   Tab 1: Listado de Registros DNS
   ---------------------------------------------------- */
.table-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  gap: 16px;
  flex-wrap: wrap;
}

.search-box {
  flex: 1;
  min-width: 250px;
}

.filter-options {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.filter-options input {
  cursor: pointer;
}

.table-container {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: rgba(13, 20, 35, 0.4);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

th {
  background-color: rgba(13, 20, 35, 0.6);
  padding: 14px 18px;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 13px;
  border-bottom: 1px solid var(--border-color);
}

td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  vertical-align: middle;
}

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

tr:hover td {
  background-color: rgba(255, 255, 255, 0.015);
}

.dns-type-badge {
  display: inline-block;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  border-radius: 4px;
  background-color: rgba(59, 130, 246, 0.15);
  color: var(--primary);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.dns-type-badge.a-record {
  background-color: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.table-empty {
  text-align: center;
  padding: 48px;
  color: var(--text-muted);
  font-size: 14px;
}

/* ----------------------------------------------------
   Tab 2: Jobs (Tarjetas)
   ---------------------------------------------------- */
.jobs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.job-card {
  background: rgba(13, 20, 35, 0.4);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.job-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.job-card.job-error {
  border-left: 4px solid var(--error);
}

.job-card.job-active {
  border-left: 4px solid var(--success);
}

.job-card.job-paused {
  border-left: 4px solid var(--text-muted);
  opacity: 0.75;
}

.job-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.job-title {
  font-weight: 600;
  font-size: 15px;
  color: var(--text-main);
  word-break: break-all;
}

.job-meta-line {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.job-status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
}

.job-active .job-status-indicator {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.job-paused .job-status-indicator {
  background-color: rgba(148, 163, 184, 0.1);
  color: var(--text-secondary);
}

.job-error .job-status-indicator {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--error);
}

.job-card-ips {
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-sm);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
}

.ip-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ip-row .ip-label {
  color: var(--text-secondary);
}

.ip-row .ip-val {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-main);
}

.job-card-info {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
}

.job-error-msg {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.15);
  color: #fca5a5;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  word-break: break-word;
}

.job-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
}

.job-card-actions button {
  flex: 1 1 calc(50% - 4px);
  min-width: 70px;
}


/* ----------------------------------------------------
   Modales & Modales Overlay
   ---------------------------------------------------- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(5, 8, 16, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background-color: #0f1626;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 500px;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  max-height: 90vh;
}

.modal-large {
  max-width: 800px;
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--text-main);
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.selected-record-info {
  background-color: rgba(59, 130, 246, 0.05);
  border: 1px solid rgba(59, 130, 246, 0.15);
  padding: 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.selected-record-info strong {
  color: var(--primary);
}

.modal-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* ----------------------------------------------------
   Log Console Terminal
   ---------------------------------------------------- */
.logs-console {
  background-color: #05080f;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  height: 400px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.log-entry {
  padding: 4px 8px;
  border-radius: 4px;
  border-left: 3px solid transparent;
}

.log-entry-time {
  color: var(--text-muted);
  margin-right: 8px;
}

.log-entry.log-info {
  color: var(--text-secondary);
  border-left-color: var(--text-muted);
  background-color: rgba(255, 255, 255, 0.01);
}

.log-entry.log-success {
  color: #a7f3d0;
  border-left-color: var(--success);
  background-color: rgba(16, 185, 129, 0.04);
}

.log-entry.log-error {
  color: #fca5a5;
  border-left-color: var(--error);
  background-color: rgba(239, 68, 68, 0.04);
}

/* ----------------------------------------------------
   Toast Notifications
   ---------------------------------------------------- */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 110;
}

.toast {
  padding: 12px 20px;
  background-color: #0f1626;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  min-width: 250px;
  max-width: 350px;
}

.toast.toast-success {
  border-left: 4px solid var(--success);
}

.toast.toast-error {
  border-left: 4px solid var(--error);
}

.toast.toast-info {
  border-left: 4px solid var(--info);
}

@keyframes slideIn {
  from {
    transform: translateX(100%) translateY(0);
    opacity: 0;
  }
  to {
    transform: translateX(0) translateY(0);
    opacity: 1;
  }
}

/* ----------------------------------------------------
   Spinners / Loading indicators
   ---------------------------------------------------- */
.spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner.active {
  display: inline-block;
}

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

/* Spinner for actions inside buttons */
button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}