/* Variáveis - Tema Padrão (Light) */
:root {
  --bg-color: #f8f9fa;
  --card-bg: #ffffff;
  --text-color: #212529;
  --text-muted: #6c757d;
  --border-color: #dee2e6;
  --dropzone-bg: #f8f9fa;
  --dropzone-hover: #e9ecef;
  --dropzone-active: #e2f0ff;
  --sortable-bg: #f8f9fa;
  --input-bg: #ffffff;
  --input-border: #ced4da;
  --shadow: rgba(0, 0, 0, 0.1);
  --tab-bg: #f8f9fa;
  --tab-active-bg: #ffffff;
  --tab-border: #dee2e6;
}

/* Substituição Variáveis - Tema Dark */
:root[data-theme="dark"],
body[data-theme="dark"] {
  --bg-color: #1a1a1a;
  --card-bg: #2d2d2d;
  --text-color: #e9ecef;
  --text-muted: #adb5bd;
  --border-color: #495057;
  --dropzone-bg: #2d2d2d;
  --dropzone-hover: #3a3a3a;
  --dropzone-active: #1e3a5f;
  --sortable-bg: #343a40;
  --input-bg: #343a40;
  --input-border: #495057;
  --shadow: rgba(0, 0, 0, 0.1);
  --tab-bg: #343a40;
  --tab-active-bg: #2d2d2d;
  --tab-border: #495057;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.card {
  border: none;
  border-radius: 15px;
  overflow: hidden;
  background-color: var(--card-bg);
  box-shadow: 0 0.5rem 1rem var(--shadow);
}

/* ─── Tabs de Modo ─────────────────────────────────────────────────────────── */

.mode-tabs {
  border-bottom: 2px solid var(--tab-border);
}

.mode-tabs .nav-link {
  color: var(--text-muted);
  background-color: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  padding: 0.6rem 1.2rem;
  font-weight: 500;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.mode-tabs .nav-link:hover {
  color: var(--text-color);
  border-bottom-color: var(--border-color);
}

.mode-tabs .nav-link.active {
  color: #0d6efd;
  background-color: transparent;
  border-bottom: 2px solid #0d6efd;
}

body[data-theme="dark"] .mode-tabs .nav-link.active {
  color: #4d9fff;
  border-bottom-color: #4d9fff;
}

/* ─── Dropzone ─────────────────────────────────────────────────────────────── */

.dropzone {
  background-color: var(--dropzone-bg);
  border-color: var(--border-color) !important;
  transition: all 0.3s ease;
  cursor: pointer;
}

.dropzone:hover {
  background-color: var(--dropzone-hover);
  border-color: #adb5bd !important;
}

.dropzone.active {
  background-color: var(--dropzone-active);
  border-color: #0d6efd !important;
}

/* ─── Lista de arquivos ────────────────────────────────────────────────────── */

#fileNames,
#imageFileNames {
  color: var(--text-color);
  font-size: 0.9rem;
}

.organizer-modal-content {
  border-radius: 14px;
}

body.loading-locked {
  overflow: hidden;
}

.global-loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(9, 16, 28, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(2px);
}

.global-loading-box {
  min-width: 240px;
  padding: 20px 24px;
  border-radius: 12px;
  background-color: rgba(21, 30, 45, 0.95);
  color: #f8f9fa;
  text-align: center;
  box-shadow: 0 0.6rem 1.5rem rgba(0, 0, 0, 0.35);
}

.organizer-modal-body {
  background-color: var(--bg-color);
  max-height: min(72vh, 780px);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.organizer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 14px;
}

@media (max-width: 768px) {
  #pageOrganizerModal .modal-dialog {
    margin: 0.75rem;
  }

  .organizer-modal-body {
    max-height: 76vh;
  }

  .organizer-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
  }
}

.organizer-card {
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background-color: var(--card-bg);
  overflow: hidden;
  cursor: grab;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.organizer-card.organizer-chosen {
  border-color: #0d6efd;
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.2);
  transform: none;
}

.organizer-card.organizer-dragging {
  opacity: 0.95;
  cursor: grabbing;
  transform: none;
}

.organizer-card.organizer-chosen:hover,
.organizer-card.organizer-dragging:hover {
  transform: none;
}

.organizer-card.organizer-ghost {
  opacity: 0.45;
}

.organizer-fallback-shadow {
  opacity: 0.78;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
  transform: none;
  pointer-events: none;
}

.organizer-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 0.5rem 1rem var(--shadow);
}

.organizer-thumb {
  min-height: 190px;
  background: repeating-linear-gradient(
    -45deg,
    #f8f9fa,
    #f8f9fa 10px,
    #eef1f4 10px,
    #eef1f4 20px
  );
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.organizer-expand-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background-color: rgba(13, 110, 253, 0.9);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.organizer-expand-btn:hover {
  background-color: rgba(13, 110, 253, 1);
}

.organizer-remove-btn {
  position: absolute;
  top: 8px;
  left: 8px;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background-color: rgba(220, 53, 69, 0.92);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.organizer-remove-btn:hover {
  background-color: rgba(220, 53, 69, 1);
}

.organizer-thumb-image {
  max-width: 100%;
  max-height: 240px;
  object-fit: contain;
  display: block;
}

.organizer-meta {
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.organizer-card,
.organizer-meta,
.organizer-order-badge,
.organizer-page-source,
.organizer-page-index,
.organizer-expand-btn,
.organizer-remove-btn {
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.organizer-order-badge {
  font-size: 0.72rem;
  font-weight: 700;
  color: #084298;
}

.organizer-page-source,
.organizer-page-index {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.2;
}

body[data-theme="dark"] .organizer-thumb {
  background: repeating-linear-gradient(
    -45deg,
    #343a40,
    #343a40 10px,
    #2f353a 10px,
    #2f353a 20px
  );
}

body[data-theme="dark"] .organizer-order-badge {
  color: #6ea8fe;
}

.page-preview-modal-content {
  background-color: #111827;
  color: #f1f5f9;
}

.page-preview-modal-header,
.page-preview-modal-footer {
  border-color: rgba(255, 255, 255, 0.15);
}

.page-preview-modal-body {
  min-height: 55vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #0b1220;
}

.page-preview-image {
  max-width: 100%;
  max-height: 68vh;
  object-fit: contain;
  border-radius: 8px;
  background-color: #ffffff;
}

.sortable-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sortable-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  margin-bottom: 5px;
  background-color: var(--sortable-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  border-radius: 5px;
  cursor: grab;
  gap: 8px;
}

.sortable-item i.remove-file {
  cursor: pointer;
  color: #dc3545;
  flex-shrink: 0;
}

.file-name-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 340px;
}

/* ─── Badges de extensão de imagem ────────────────────────────────────────── */

.badge-ext {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  flex-shrink: 0;
}

.badge-jpeg,
.badge-jpg {
  background-color: #fff3cd;
  color: #856404;
}

.badge-png {
  background-color: #cfe2ff;
  color: #084298;
}

.badge-webp {
  background-color: #d1e7dd;
  color: #0a3622;
}

body[data-theme="dark"] .badge-jpeg,
body[data-theme="dark"] .badge-jpg {
  background-color: #3d2e00;
  color: #ffc107;
}

body[data-theme="dark"] .badge-png {
  background-color: #031633;
  color: #6ea8fe;
}

body[data-theme="dark"] .badge-webp {
  background-color: #051b11;
  color: #75b798;
}

/* ─── Sortable ghost ───────────────────────────────────────────────────────── */

.sortable-ghost {
  opacity: 0.5;
  background: var(--dropzone-active);
}

/* ─── Botões ───────────────────────────────────────────────────────────────── */

.btn-primary {
  background-color: #0d6efd;
  border-color: #0d6efd;
}

.btn-success {
  background-color: #198754;
  border-color: #198754;
}

.btn-lg {
  padding: 0.5rem 1.5rem;
  font-size: 1.1rem;
}

.btn-outline-primary {
  border-color: #0d6efd;
  color: #0d6efd;
}

.btn-outline-primary:hover {
  background-color: #0d6efd;
  color: white;
}

body[data-theme="dark"] .btn-outline-primary {
  border-color: #3b81e8;
  color: #3b81e8;
}

body[data-theme="dark"] .btn-outline-primary:hover {
  background-color: #0d6efd;
  color: white;
}

/* ─── Formulários ──────────────────────────────────────────────────────────── */

.card-header {
  border-radius: 0 !important;
}

.form-label {
  font-weight: 500;
  color: var(--text-color);
}

.form-control {
  border-radius: 8px;
  padding: 10px 15px;
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-color);
  transition: border-color 0.3s ease;
}

.form-control:focus {
  background-color: var(--input-bg);
  color: var(--text-color);
  border-color: #86b7fe;
  box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.form-control::placeholder {
  color: #6c757d;
}

.form-text {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ─── Modal ────────────────────────────────────────────────────────────────── */

.modal-content {
  border-radius: 15px;
  overflow: hidden;
  background-color: var(--card-bg);
  color: var(--text-color);
}

.modal-header {
  border-bottom: 1px solid var(--border-color);
}

.modal-footer {
  border-top: 1px solid var(--border-color);
}

/* ─── Utilitários ──────────────────────────────────────────────────────────── */

.text-muted {
  color: var(--text-muted) !important;
}

.swal2-popup {
  max-width: 650px !important;
}

.swal2-html-container {
  margin-bottom: 1em !important;
}

#previewBtn {
  transition: all 0.3s;
}

#previewBtn:hover {
  transform: translateY(-2px);
}

#pdfIcon {
  transition: transform 0.2s ease;
  user-select: none;
}

/* ─── Tema escuro — ajustes específicos ────────────────────────────────────── */

body[data-theme="dark"] .card-header.bg-primary {
  background-color: #0d6efd !important;
}

body[data-theme="dark"] .btn-close {
  filter: invert(1);
}

body[data-theme="dark"] .text-select-pdf {
  color: white !important;
}

/* ─── Toggle de tema ───────────────────────────────────────────────────────── */

.theme-toggle-wrapper {
  position: relative;
  display: inline-block;
}

.theme-toggle-checkbox {
  display: none;
}

.theme-toggle-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #fff;
  border-radius: 50px;
  padding: 5px;
  width: 70px;
  height: 35px;
  cursor: pointer;
  position: relative;
  transition: background-color 0.3s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.theme-toggle-slider {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 29px;
  height: 29px;
  background-color: #0d6efd;
  border-radius: 50%;
  transition: transform 0.3s ease;
  z-index: 1;
}

.theme-toggle-checkbox:checked + .theme-toggle-label .theme-toggle-slider {
  transform: translateX(35px);
}

.theme-icon-sun,
.theme-icon-moon {
  font-size: 16px;
  z-index: 2;
  transition: color 0.3s ease;
  width: 20px;
  text-align: center;
}

.theme-icon-sun {
  color: #ffa500;
  margin-left: 3px;
}

.theme-icon-moon {
  color: #6c757d;
  margin-right: 3px;
}

.theme-toggle-checkbox:checked + .theme-toggle-label .theme-icon-sun {
  color: #6c757d;
}

.theme-toggle-checkbox:checked + .theme-toggle-label .theme-icon-moon {
  color: #ffd700;
}

.theme-toggle-checkbox:checked + .theme-toggle-label {
  background-color: #2d2d2d;
}

/* ─── Form switches ────────────────────────────────────────────────────────── */

.form-switch .form-check-input {
  width: 3em;
  height: 1.5em;
  cursor: pointer;
}

.form-check-label {
  margin-left: 10px;
}

.form-switch {
  display: flex;
  flex-direction: row;
  align-items: center;
  position: relative;
}

.form-check-input {
  width: 3em;
  height: 1.5em;
  cursor: pointer;
}

.form-check-label {
  margin-top: 3px;
  text-align: center;
}

/* ─── Responsivo ───────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .card-header .d-flex {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .theme-toggle-wrapper {
    flex-shrink: 0;
  }

  .card-header h1 {
    font-size: 1.25rem !important;
  }

  .card-header p {
    font-size: 0.875rem;
  }

  .card-header .fs-1 {
    font-size: 1.5rem !important;
  }

  .file-name-text {
    max-width: 180px;
  }
}

@media (max-width: 576px) {
  .card-header .d-flex.align-items-center {
    flex-direction: column;
    align-items: flex-start !important;
  }

  .theme-toggle-wrapper {
    align-self: flex-end;
    margin-top: 0.5rem;
  }

  .mode-tabs .nav-link {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
  }
}

/* Modern visual refresh */

:root {
  --brand-700: #15566b;
  --brand-600: #1d6f88;
  --brand-500: #2584a0;
  --accent-500: #f59e0b;
  --surface-0: #f4f7f8;
  --surface-1: #ffffff;
  --surface-2: #eef3f5;
  --line-soft: #d8e1e6;
  --text-main: #1b2a32;
  --text-soft: #5f717b;
  --shadow-soft: 0 14px 38px rgba(25, 62, 80, 0.1);
  --radius-lg: 20px;
  --radius-md: 14px;
}

body[data-theme="dark"] {
  --surface-0: #111a1f;
  --surface-1: #17242c;
  --surface-2: #22333e;
  --line-soft: #2c4654;
  --text-main: #e7f0f4;
  --text-soft: #adc0ca;
  --shadow-soft: 0 16px 42px rgba(0, 0, 0, 0.28);
}

body.app-shell {
  background: var(--surface-0);
  color: var(--text-main);
  font-family: 'Manrope', 'Segoe UI', sans-serif;
  overflow-x: clip;
  position: relative;
}

body.app-shell::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(60vw 55vh at 6% 0%, rgba(37, 132, 160, 0.18), transparent 62%),
    radial-gradient(48vw 52vh at 95% 4%, rgba(245, 158, 11, 0.12), transparent 65%),
    radial-gradient(52vw 48vh at 50% 115%, rgba(21, 86, 107, 0.09), transparent 68%);
}

.app-container {
  max-width: 1080px;
}

.app-card {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background: var(--surface-1);
  box-shadow: var(--shadow-soft);
}

.app-header {
  background: linear-gradient(135deg, var(--brand-700), var(--brand-500)) !important;
  border: 0;
  padding: 1.25rem 1.4rem;
}

#headerTitle {
  font-family: 'Manrope', 'Segoe UI', sans-serif;
  font-weight: 800;
  letter-spacing: 0;
  font-size: clamp(1.3rem, 2.4vw, 1.95rem);
}

#headerSubtitle {
  opacity: 0.92;
  font-weight: 500;
  font-size: clamp(0.84rem, 1.5vw, 0.98rem);
}

.card-body {
  padding: 2rem !important;
}

.mode-tabs {
  border-bottom: 1px solid var(--line-soft);
  gap: 0.2rem;
}

.mode-tabs .nav-link {
  border-radius: 11px 11px 0 0;
  font-weight: 700;
  color: var(--text-soft);
  border-bottom: 2px solid transparent;
}

.mode-tabs .nav-link.active {
  color: var(--brand-600);
  border-bottom-color: var(--brand-500);
}

.dropzone {
  border-radius: 16px;
  border-color: #cfdbe2 !important;
  background: linear-gradient(180deg, var(--surface-1), var(--surface-2));
}

.dropzone:hover {
  border-color: #9db5c1 !important;
}

.form-label {
  font-weight: 700;
  color: var(--text-main);
}

.form-control {
  border: 1px solid #c7d5dc;
  border-radius: 12px;
  padding: 11px 13px;
  font-weight: 500;
}

.form-control:focus {
  border-color: #6da7bc;
  box-shadow: 0 0 0 0.22rem rgba(37, 132, 160, 0.17);
}

.btn {
  border-radius: 12px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.btn-primary {
  background-color: var(--brand-600);
  border-color: var(--brand-600);
}

.btn-primary:hover {
  background-color: var(--brand-700);
  border-color: var(--brand-700);
}

.btn-success {
  background-color: #12795d;
  border-color: #12795d;
}

.btn-success:hover {
  background-color: #0f684f;
  border-color: #0f684f;
}

.btn-outline-primary {
  color: var(--brand-600);
  border-color: #80abc0;
}

.btn-outline-primary:hover {
  background-color: var(--brand-600);
  border-color: var(--brand-600);
}

.sortable-item {
  border-radius: 10px;
  border-color: #d6e1e7;
  background: var(--surface-1);
  font-size: 0.86rem;
}

.file-name-text {
  font-size: 0.84rem;
  font-weight: 600;
}

.modal-content {
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  box-shadow: var(--shadow-soft);
}

/* Organizer modal: less bootstrap look */
#pageOrganizerModal .modal-dialog,
#pagePreviewModal .modal-dialog {
  --bs-modal-margin: 1.2rem;
}

#pageOrganizerModal .modal-content {
  border: 1px solid #d2dee5;
  border-radius: 18px;
}

#pageOrganizerModal .modal-header {
  border-bottom: 1px solid #dde7ed;
  padding: 1rem 1.15rem;
}

#pageOrganizerModal .modal-title {
  font-size: 1.02rem;
  font-weight: 800;
  color: #1f3642;
}

#pageOrganizerModal .modal-footer {
  border-top: 1px solid #dde7ed;
  padding: 0.85rem 1.1rem 1rem;
}

#pageOrganizerModal .btn {
  border-radius: 11px;
  padding: 0.52rem 0.9rem;
}

#pagePreviewModal .modal-content {
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
}

#pagePreviewModal .modal-header,
#pagePreviewModal .modal-footer {
  padding: 0.8rem 1rem;
}

#pagePreviewTitle {
  font-size: 0.95rem;
  font-weight: 700;
}

body[data-theme="dark"] #pageOrganizerModal .modal-content {
  border-color: #35515f;
}

body[data-theme="dark"] #pageOrganizerModal .modal-title {
  color: #d8e8ef;
}

body[data-theme="dark"] #pageOrganizerModal .modal-header,
body[data-theme="dark"] #pageOrganizerModal .modal-footer {
  border-color: #36505f;
}

.theme-toggle-label {
  box-shadow: inset 0 0 0 1px rgba(20, 30, 35, 0.12), 0 4px 10px rgba(10, 20, 40, 0.22);
}

body[data-theme="dark"] .app-header {
  background: linear-gradient(135deg, #18485a, #1d6f88) !important;
}

body[data-theme="dark"] .mode-tabs .nav-link.active {
  color: #7cc1d8;
  border-bottom-color: #66acc4;
}

body[data-theme="dark"] .dropzone {
  border-color: #34505f !important;
  background: linear-gradient(180deg, #17242c, #1d2f39);
}

body[data-theme="dark"] .form-control {
  border-color: #3a5564;
}

@media (max-width: 768px) {
  .card-body {
    padding: 1.25rem !important;
  }

  #headerTitle {
    font-size: 1.35rem;
  }
}