/* =====================================================
   IMPORTAR PAGE STYLES
   Extends base styles from styles.css
   ===================================================== */

/* ---- Reuse existing CSS variables from styles.css / clientes.css ---- */
/* All :root and .dark variable definitions come from the base CSS.       */
/* This file only adds styles unique to the import page.                  */

/* Reset (mirrors clientes.css for page-level consistency) */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --background: #f8fafc;
  --foreground: #0f172a;
  --card: #ffffff;
  --card-foreground: #0f172a;
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-foreground: #ffffff;
  --secondary: #f1f5f9;
  --secondary-hover: #e2e8f0;
  --secondary-foreground: #475569;
  --muted: #f1f5f9;
  --muted-foreground: #64748b;
  --accent: #e0e7ff;
  --accent-foreground: #3730a3;
  --border: #e2e8f0;
  --input: #e2e8f0;
  --ring: #4f46e5;
  --radius: 12px;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

  /* Import-specific accent colors */
  --blue-bg: #eff6ff;
  --blue-text: #1d4ed8;
  --blue-border: #bfdbfe;
  --blue-icon-bg: #dbeafe;
  --amber-bg: #fffbeb;
  --amber-text: #b45309;
  --amber-border: #fde68a;
  --amber-icon-bg: #fef3c7;
  --green-bg: #f0fdf4;
  --green-text: #166534;
  --green-border: #bbf7d0;
  --red-bg: #fef2f2;
  --red-text: #dc2626;
  --red-border: #fecaca;
}

.dark {
  --background: #0f172a;
  --foreground: #f1f5f9;
  --card: #1e293b;
  --card-foreground: #f1f5f9;
  --primary: #818cf8;
  --primary-hover: #a5b4fc;
  --primary-foreground: #0f172a;
  --secondary: #334155;
  --secondary-hover: #475569;
  --secondary-foreground: #e2e8f0;
  --muted: #334155;
  --muted-foreground: #94a3b8;
  --accent: #312e81;
  --accent-foreground: #c7d2fe;
  --border: #334155;
  --input: #334155;
  --ring: #818cf8;

  --blue-bg: #1e3a5f;
  --blue-text: #93c5fd;
  --blue-border: #1e40af;
  --blue-icon-bg: #1e3a8a;
  --amber-bg: #3d2a00;
  --amber-text: #fcd34d;
  --amber-border: #78350f;
  --amber-icon-bg: #451a03;
  --green-bg: #14532d;
  --green-text: #86efac;
  --green-border: #166534;
  --red-bg: #450a0a;
  --red-text: #fca5a5;
  --red-border: #7f1d1d;
}

html {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--background);
  color: var(--foreground);
  min-height: 100vh;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* =====================================================
   HEADER (shared with clientes.css)
   ===================================================== */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 32px;
  border-bottom: 1px solid var(--border);
  background-color: var(--card);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.header-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.header-title {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--foreground);
}

.header-subtitle {
  font-size: 14px;
  color: var(--muted-foreground);
}

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

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background-color: var(--card);
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  background-color: var(--secondary);
  border-color: var(--muted-foreground);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  color: var(--foreground);
  transition: color 0.2s ease;
}

.theme-toggle .sun-icon { display: none; }
.dark .theme-toggle .sun-icon { display: block; }
.dark .theme-toggle .moon-icon { display: none; }

/* Back Button */
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 10px;
  border: 1px solid var(--border);
  background-color: var(--card);
  color: var(--foreground);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

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

.btn-back svg { width: 16px; height: 16px; }

/* =====================================================
   MAIN CONTAINER
   ===================================================== */
.main-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 32px;
}

/* =====================================================
   PAGE INTRO
   ===================================================== */
.page-intro {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  padding: 20px 24px;
  background-color: var(--accent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: background-color 0.3s ease;
}

.page-intro-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background-color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-intro-icon svg {
  width: 22px;
  height: 22px;
  color: white;
}

.page-intro-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 4px;
}

.page-intro-text {
  font-size: 13px;
  color: var(--muted-foreground);
  line-height: 1.5;
}

.page-intro-text strong {
  color: var(--foreground);
  font-weight: 600;
}

/* =====================================================
   IMPORT GRID
   ===================================================== */
.import-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

/* =====================================================
   IMPORT CARD
   ===================================================== */
.import-card {
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: box-shadow 0.3s ease, border-color 0.3s ease, background-color 0.3s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.import-card:hover {
  box-shadow: var(--shadow-lg);
}

/* Decorative blobs */
.import-card-decoration {
  position: absolute;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), transparent);
  opacity: 0.04;
  top: -50px;
  right: -50px;
  pointer-events: none;
}

.import-card-decoration-2 {
  position: absolute;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-foreground), transparent);
  opacity: 0.03;
  bottom: -30px;
  left: -30px;
  pointer-events: none;
}

/* Card header row */
.import-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Icon */
.import-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.import-card-icon svg {
  width: 24px;
  height: 24px;
}

.import-card-icon--blue {
  background-color: var(--blue-icon-bg);
  color: var(--blue-text);
}

.import-card-icon--amber {
  background-color: var(--amber-icon-bg);
  color: var(--amber-text);
}

/* Badge */
.import-card-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background-color: var(--blue-bg);
  color: var(--blue-text);
  border: 1px solid var(--blue-border);
}

.import-card-badge--amber {
  background-color: var(--amber-bg);
  color: var(--amber-text);
  border-color: var(--amber-border);
}

/* Title & Description */
.import-card-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--foreground);
  line-height: 1.3;
}

.import-card-description {
  font-size: 13px;
  color: var(--muted-foreground);
  line-height: 1.6;
}

/* =====================================================
   DROP ZONE
   ===================================================== */
.drop-zone {
  position: relative;
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 32px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
  background-color: var(--secondary);
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.drop-zone:hover {
  border-color: var(--primary);
  background-color: var(--accent);
}

.drop-zone:focus {
  outline: none;
  border-color: var(--ring);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}

.drop-zone.drag-over {
  border-color: var(--primary);
  background-color: var(--accent);
  transform: scale(1.01);
}

.drop-zone.has-file {
  border-style: solid;
  border-color: var(--green-border);
  background-color: var(--green-bg);
  padding: 20px;
}

/* Hidden file input overlaid on the drop zone */
.file-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

/* Drop Zone Content (idle state) */
.drop-zone-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
  width: 100%;
}

.drop-zone-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background-color: var(--card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
  transition: all 0.25s ease;
}

.drop-zone-icon svg {
  width: 22px;
  height: 22px;
  color: var(--muted-foreground);
}

.drop-zone:hover .drop-zone-icon {
  background-color: var(--accent);
  border-color: var(--primary);
}

.drop-zone:hover .drop-zone-icon svg {
  color: var(--primary);
}

.drop-zone-text {
  font-size: 14px;
  color: var(--muted-foreground);
}

.drop-zone-link {
  color: var(--primary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.drop-zone-hint {
  font-size: 12px;
  color: var(--muted-foreground);
  opacity: 0.8;
}

/* Drop Zone Selected (file chosen state) */
.drop-zone-selected {
  width: 100%;
  pointer-events: none;
}

.file-info {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.file-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background-color: var(--green-bg);
  border: 1px solid var(--green-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.file-icon svg {
  width: 20px;
  height: 20px;
  color: var(--green-text);
}

.file-details {
  flex: 1;
  min-width: 0;
  text-align: left;
}

.file-name {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--foreground);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-size {
  display: block;
  font-size: 12px;
  color: var(--muted-foreground);
  margin-top: 2px;
}

.file-remove {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background-color: var(--card);
  color: var(--muted-foreground);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
  pointer-events: all;
  z-index: 2;
  position: relative;
}

.file-remove svg { width: 14px; height: 14px; }

.file-remove:hover {
  background-color: var(--red-bg);
  color: var(--red-text);
  border-color: var(--red-border);
}

/* =====================================================
   FEEDBACK MESSAGES
   ===================================================== */
.error-msg,
.success-msg {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
}

.error-msg svg,
.success-msg svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.error-msg {
  background-color: var(--red-bg);
  color: var(--red-text);
  border: 1px solid var(--red-border);
  animation: fadeSlideIn 0.2s ease;
}

.success-msg {
  background-color: var(--green-bg);
  color: var(--green-text);
  border: 1px solid var(--green-border);
  animation: fadeSlideIn 0.2s ease;
}

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =====================================================
   IMPORT BUTTON
   ===================================================== */
.btn-import {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  width: 100%;
  position: relative;
  margin-top: auto;
}

.btn-import svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Blue variant */
.btn-import--blue {
  background-color: var(--primary);
  color: var(--primary-foreground);
}

.btn-import--blue:hover:not(:disabled) {
  background-color: var(--primary-hover);
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
  transform: translateY(-1px);
}

/* Amber variant */
.btn-import--amber {
  background-color: #d97706;
  color: #ffffff;
}

.btn-import--amber:hover:not(:disabled) {
  background-color: #b45309;
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.35);
  transform: translateY(-1px);
}

/* Disabled state */
.btn-import:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Active/pressed */
.btn-import:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: none;
}

/* Spinner inside button */
.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* =====================================================
   INFO BAR
   ===================================================== */
.info-bar {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 20px;
  background-color: var(--secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--muted-foreground);
  line-height: 1.5;
}

.info-bar svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--primary);
  margin-top: 1px;
}

/* =====================================================
   LAST BATCH PANEL
   ===================================================== */
.batch-ops-panel {
  padding: 24px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background:
    radial-gradient(circle at top right, rgba(79, 70, 229, 0.12), transparent 32%),
    linear-gradient(180deg, color-mix(in srgb, var(--card) 96%, transparent), var(--card));
  box-shadow: var(--shadow);
}

.batch-ops-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
}

.batch-ops-eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
}

.batch-ops-title {
  margin-top: 6px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--foreground);
}

.batch-ops-text {
  margin-top: 6px;
  max-width: 640px;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--muted-foreground);
}

.batch-ops-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.batch-ops-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  background: var(--secondary);
  color: var(--secondary-foreground);
}

.batch-ops-badge--success {
  background: rgba(34, 197, 94, 0.12);
  border-color: rgba(34, 197, 94, 0.28);
  color: #15803d;
}

.batch-ops-badge--error {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.24);
  color: #dc2626;
}

.batch-ops-badge--warning {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.24);
  color: #d97706;
}

.batch-ops-badge--idle {
  background: var(--secondary);
  border-color: var(--border);
  color: var(--secondary-foreground);
}

.batch-ops-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.batch-ops-stat {
  padding: 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--secondary) 86%, transparent);
}

.batch-ops-stat strong {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--foreground);
}

.batch-ops-stat span {
  display: block;
  margin-top: 4px;
  font-size: 0.84rem;
  color: var(--muted-foreground);
}

.batch-ops-files,
.batch-ops-hint,
.batch-ops-error {
  margin-top: 16px;
  font-size: 0.9rem;
  line-height: 1.55;
}

.batch-ops-files {
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--foreground);
}

.batch-ops-hint {
  color: var(--muted-foreground);
}

.batch-ops-error {
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.18);
  color: var(--red-text);
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 768px) {
  .header {
    padding: 16px;
  }

  .header-actions {
    flex-direction: column-reverse;
    align-items: flex-end;
    gap: 8px;
  }

  .btn-back span {
    display: none;
  }

  .main-container {
    padding: 20px 16px;
  }

  .import-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .page-intro {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .import-card {
    padding: 20px;
  }

  .batch-ops-header {
    flex-direction: column;
  }

  .batch-ops-actions {
    width: 100%;
    align-items: stretch;
  }

  .batch-ops-grid {
    grid-template-columns: 1fr;
  }
}