/* ============================================================
   W Tecnologías - Global Styles
   Dark premium theme — negro y dorado corporativo
   ============================================================ */

:root {
  --bg-primary:    #0d1117;
  --bg-secondary:  #161b22;
  --bg-card:       #1c2230;
  --bg-hover:      #21273a;
  --border:        #2d3140;
  --border-light:  #21273a;

  /* ── Dorado corporativo W Tecnologías ── */
  --accent:        #C8A84B;
  --accent-hover:  #d4b85e;
  --accent-dim:    rgba(200,168,75,0.10);
  --accent-glow:   rgba(200,168,75,0.20);

  --text-primary:   #e6edf3;
  --text-secondary: #8b949e;
  --text-muted:     #484f58;

  --danger:        #f85149;
  --danger-dim:    rgba(248,81,73,0.12);
  --warning:       #d29922;
  --warning-dim:   rgba(210,153,34,0.12);
  --info:          #388bfd;
  --info-dim:      rgba(56,139,253,0.12);
  --success:       #C8A84B;
  --success-dim:   rgba(200,168,75,0.12);

  --sidebar-w:     260px;
  --topbar-h:      64px;
  --radius:        10px;
  --radius-lg:     16px;
  --radius-sm:     6px;
  --shadow:        0 4px 24px rgba(0,0,0,0.5);
  --shadow-sm:     0 2px 8px rgba(0,0,0,0.35);

  --transition:    all 0.22s cubic-bezier(.4,0,.2,1);
}

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

html { 
  font-size: 15px; 
  scroll-behavior: smooth; 
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  width: 100%;
  max-width: 100%;
  display: flex;
  overflow-x: hidden;
  position: relative;
}

a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-hover); }

img { max-width: 100%; display: block; }

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 200;
  transition: transform 0.28s cubic-bezier(.4,0,.2,1);
  overflow: hidden;
}

.sidebar.collapsed { transform: translateX(calc(-1 * var(--sidebar-w))); }

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 20px 18px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.brand-icon {
  width: 42px; height: 42px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-glow);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.brand-name {
  font-size: 1.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, #C8A84B, #e8cc80);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-section {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 14px 10px 6px;
  text-transform: uppercase;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  border: 1px solid transparent;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border);
}

.nav-item.active {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: var(--accent-glow);
}

.sidebar-footer {
  border-top: 1px solid var(--border);
  padding: 14px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.user-info {
  display: flex; align-items: center; gap: 10px;
  flex: 1; overflow: hidden;
}

.user-avatar {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, #C8A84B, #e8cc80);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.85rem;
  color: #0d1117;
  flex-shrink: 0;
}

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

.user-name {
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.btn-logout {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: var(--transition);
  flex-shrink: 0;
}
.btn-logout:hover { background: var(--danger-dim); color: var(--danger); }

/* ============================================================
   MAIN WRAPPER & TOPBAR
   ============================================================ */
.main-wrapper {
  flex: 1;
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: calc(100% - var(--sidebar-w));
  max-width: 100%;
  min-width: 0; /* CRITICAL: prevents flex child from expanding parent */
  overflow-x: hidden;
  transition: margin-left 0.28s cubic-bezier(.4,0,.2,1), width 0.28s cubic-bezier(.4,0,.2,1);
}

.main-wrapper.expanded { 
  margin-left: 0; 
  width: 100%;
}

.topbar {
  position: sticky; top: 0; z-index: 100;
  height: var(--topbar-h);
  background: rgba(13,17,23,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  width: 100%;
  max-width: 100%;
}

.btn-toggle-sidebar {
  background: none; border: none; cursor: pointer;
  color: var(--text-secondary);
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  display: flex; align-items: center;
}
.btn-toggle-sidebar:hover { background: var(--bg-hover); color: var(--text-primary); }

.page-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-date {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.main-content {
  padding: 24px 24px;
  flex: 1;
  width: 100%;
  max-width: 100%;
  min-width: 0; /* CRITICAL: prevents table/grid from blowing out container */
  overflow-x: hidden;
}

/* ============================================================
   CARDS & PANELS
   ============================================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

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

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.card-subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* Stat Cards */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 100%;
  background: var(--stat-color, var(--accent));
  border-radius: 4px 0 0 4px;
}

.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--stat-color, var(--accent)); }

.stat-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  background: var(--stat-dim, var(--accent-dim));
  display: flex; align-items: center; justify-content: center;
  color: var(--stat-color, var(--accent));
  flex-shrink: 0;
}

.stat-info { flex: 1; }
.stat-value { font-size: 1.8rem; font-weight: 700; color: var(--text-primary); line-height: 1; }
.stat-label { font-size: 0.78rem; color: var(--text-secondary); margin-top: 4px; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #000; transform: translateY(-1px); }

.btn-secondary {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-secondary:hover { background: var(--bg-card); border-color: var(--accent); color: var(--accent); }

.btn-danger {
  background: var(--danger-dim);
  color: var(--danger);
  border-color: rgba(248,81,73,0.3);
}
.btn-danger:hover { background: var(--danger); color: #fff; }

.btn-sm { padding: 6px 12px; font-size: 0.78rem; }
.btn-lg { padding: 12px 24px; font-size: 0.95rem; }
.btn-full { width: 100%; justify-content: center; }

.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none !important; }

/* ============================================================
   FORMS
   ============================================================ */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 7px;
  letter-spacing: 0.02em;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: 'Inter', sans-serif;
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

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

select.form-control { cursor: pointer; }

textarea.form-control { resize: vertical; min-height: 90px; }

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 5px;
}

.form-error {
  font-size: 0.78rem;
  color: var(--danger);
  margin-top: 5px;
}

/* Checkbox / Toggle */
.checkbox-group {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.checkbox-group input[type="checkbox"] {
  width: 18px; height: 18px;
  accent-color: var(--accent);
  cursor: pointer;
}

.checkbox-group label {
  font-size: 0.875rem;
  color: var(--text-primary);
  cursor: pointer;
}

/* ============================================================
   TABLES
   ============================================================ */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

thead th {
  background: var(--bg-secondary);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

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

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--bg-hover); }

/* ============================================================
   BADGES & PILLS
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.badge-success { background: var(--success-dim); color: var(--success); border: 1px solid rgba(63,185,80,0.25); }
.badge-warning { background: var(--warning-dim); color: var(--warning); border: 1px solid rgba(210,153,34,0.25); }
.badge-danger  { background: var(--danger-dim);  color: var(--danger);  border: 1px solid rgba(248,81,73,0.25); }
.badge-info    { background: var(--info-dim);    color: var(--info);    border: 1px solid rgba(56,139,253,0.25); }
.badge-accent  { background: var(--accent-dim);  color: var(--accent);  border: 1px solid var(--accent-glow); }
.badge-muted   { background: var(--bg-hover);    color: var(--text-secondary); border: 1px solid var(--border); }

/* ============================================================
   ALERTS
   ============================================================ */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  border-left: 4px solid;
  margin-bottom: 18px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.alert-success { background: var(--success-dim); border-color: var(--success); color: var(--success); }
.alert-danger  { background: var(--danger-dim);  border-color: var(--danger);  color: var(--danger); }
.alert-warning { background: var(--warning-dim); border-color: var(--warning); color: var(--warning); }
.alert-info    { background: var(--info-dim);    border-color: var(--info);    color: var(--info); }

/* ============================================================
   PAGE HEADER (inline)
   ============================================================ */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 26px;
  flex-wrap: wrap;
  gap: 14px;
}

.page-header-text h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
}

.page-header-text p {
  font-size: 0.83rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ============================================================
   STEPPER (5 pasos de mantenimiento)
   ============================================================ */
.stepper {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-bottom: 32px;
  position: relative;
  overflow-x: auto;
  padding-bottom: 4px;
}

.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  min-width: 100px;
  position: relative;
}

.step-item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 18px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: var(--border);
  z-index: 0;
}

.step-item.completed:not(:last-child)::after,
.step-item.active:not(:last-child)::after {
  background: var(--accent-glow);
}

.step-circle {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--bg-secondary);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  position: relative;
  z-index: 1;
  transition: var(--transition);
}

.step-item.completed .step-circle {
  background: var(--accent);
  border-color: var(--accent);
  color: #000;
}

.step-item.active .step-circle {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.step-label {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: 8px;
  text-align: center;
  line-height: 1.3;
  max-width: 90px;
}

.step-item.active .step-label { color: var(--accent); }
.step-item.completed .step-label { color: var(--text-secondary); }

/* ============================================================
   PHOTO CAPTURE
   ============================================================ */
.photo-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  background: var(--bg-secondary);
}

.photo-zone:hover, .photo-zone.drag-over {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.photo-zone-icon { color: var(--text-muted); margin: 0 auto 12px; }
.photo-zone p { color: var(--text-secondary); font-size: 0.875rem; }
.photo-zone span { color: var(--text-muted); font-size: 0.78rem; }

.photo-preview {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}

.photo-preview img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.photo-preview-overlay {
  position: absolute;
  top: 8px; right: 8px;
  display: flex; gap: 6px;
}

/* Camera modal */
.camera-modal {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 9999;
  align-items: center; justify-content: center;
  flex-direction: column;
  gap: 16px;
}

.camera-modal.open { display: flex; }

.camera-modal video {
  max-width: 100%;
  max-height: 65vh;
  border-radius: var(--radius-lg);
  border: 2px solid var(--accent);
}

.camera-controls {
  display: flex; gap: 12px;
}

.btn-capture {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--accent);
  border: 4px solid rgba(255,255,255,0.2);
  cursor: pointer;
  transition: var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.btn-capture:hover { transform: scale(1.1); background: var(--accent-hover); }

/* ============================================================
   CHECKLIST
   ============================================================ */
.checklist-category {
  margin-bottom: 22px;
}

.checklist-category-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--accent-dim);
}

.checklist-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  margin-bottom: 6px;
  transition: var(--transition);
  flex-wrap: wrap;
}

.checklist-item:hover { border-color: var(--border-light); background: var(--bg-hover); }

.checklist-item-text { flex: 1; font-size: 0.875rem; color: var(--text-primary); }

.checklist-radio-group {
  display: flex; gap: 6px;
}

.radio-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid var(--border);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  background: var(--bg-primary);
  color: var(--text-muted);
}

.radio-pill input[type="radio"] { display: none; }

.radio-pill:has(input[value="si"]:checked)  { background: var(--success-dim); border-color: var(--success); color: var(--success); }
.radio-pill:has(input[value="no"]:checked)  { background: var(--danger-dim);  border-color: var(--danger);  color: var(--danger); }
.radio-pill:has(input[value="na"]:checked)  { background: var(--bg-hover);    border-color: var(--border);  color: var(--text-secondary); }

/* ============================================================
   MODALS (generic)
   ============================================================ */
.modal-backdrop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 500;
  align-items: center; justify-content: center;
}

.modal-backdrop.open { display: flex; }

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
  animation: modalIn 0.22s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(-10px); }
  to   { opacity: 1; transform: none; }
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 18px;
  display: flex; justify-content: space-between; align-items: center;
}

.btn-modal-close {
  background: none; border: none; cursor: pointer;
  color: var(--text-secondary);
  display: flex; align-items: center;
  padding: 4px;
  border-radius: var(--radius-sm);
}
.btn-modal-close:hover { color: var(--danger); }

/* ============================================================
   LOGIN PAGE
   ============================================================ */
.login-page {
  min-height: 100vh;
  width: 100%;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.login-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 80%, rgba(0,200,150,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(0,200,150,0.05) 0%, transparent 50%);
  pointer-events: none;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 42px 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow);
  position: relative;
  z-index: 1;
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
  justify-content: center;
}

.login-logo-icon {
  width: 52px; height: 52px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-glow);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
}

.login-logo-text h1 {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), #00e5b0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-logo-text p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ============================================================
   GRID HELPERS
   ============================================================ */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }

.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }

.text-center { text-align: center; }
.text-sm { font-size: 0.8rem; }
.text-muted { color: var(--text-secondary); }
.text-accent { color: var(--accent); }
.text-danger { color: var(--danger); }
.font-bold { font-weight: 700; }

/* ============================================================
   RESPONSIVE & MOBILE SMARTPHONE OPTIMIZATIONS
   ============================================================ */

/* Backdrop overlay for mobile sidebar */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 199;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s cubic-bezier(.4,0,.2,1);
}
.sidebar-backdrop.active,
body.sidebar-open .sidebar-backdrop {
  display: block;
  opacity: 1;
  pointer-events: auto;
}

/* Device Type Cards Grid */
.device-type-grid {
  display: grid !important;
  grid-template-columns: repeat(auto-fill, minmax(115px, 1fr)) !important;
  gap: 12px !important;
  width: 100% !important;
  box-sizing: border-box;
}

.device-pill-card {
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  border-radius: 14px;
  padding: 14px 10px;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  text-align: center;
  position: relative;
  user-select: none;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
  min-height: 85px;
  box-sizing: border-box;
}

.device-pill-card input[type="radio"] {
  position: absolute;
  top: 8px; right: 8px;
  accent-color: var(--accent);
  width: 16px; height: 16px;
  margin: 0;
}

.device-pill-card:hover {
  border-color: var(--accent);
  background: var(--bg-hover);
  transform: translateY(-2px);
}

.device-pill-card:has(input:checked),
.device-pill-card.active {
  border-color: var(--accent) !important;
  background: var(--accent-dim) !important;
  box-shadow: 0 0 14px var(--accent-glow);
}

.device-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.device-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

/* Radio pills (Inspección física y filtros) */
.radio-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
  min-height: 40px;
}
.radio-pill input[type="radio"] {
  display: none;
}
.radio-pill:active {
  transform: scale(0.97);
}
.radio-pill-danger:has(input:checked),
.radio-pill-danger.active {
  background: rgba(248, 81, 73, 0.20) !important;
  border-color: #f85149 !important;
  color: #ff7b72 !important;
  font-weight: 700;
  box-shadow: 0 0 12px rgba(248, 81, 73, 0.25);
}
.radio-pill-success:has(input:checked),
.radio-pill-success.active {
  background: rgba(63, 185, 80, 0.20) !important;
  border-color: #3fb950 !important;
  color: #56d364 !important;
  font-weight: 700;
  box-shadow: 0 0 12px rgba(63, 185, 80, 0.25);
}
.radio-pill-muted:has(input:checked),
.radio-pill-muted.active {
  background: rgba(139, 148, 158, 0.20) !important;
  border-color: #8b949e !important;
  color: #e6edf3 !important;
  font-weight: 700;
}

/* Workflow Grid in Mantenimiento Paso */
.paso-workflow-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 22px;
  align-items: start;
}

/* Stepper Base */
.stepper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  margin-bottom: 24px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 6px 4px 12px 4px;
  gap: 8px;
  scrollbar-width: none;
}
.stepper::-webkit-scrollbar { display: none; }

/* Table Wrapper for fluid touch horizontal scroll */
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 8px;
}
.table-wrapper table {
  min-width: 620px;
}

/* ============================================================
   RESPONSIVE DATA LISTS (Desktop Table vs Mobile Cards)
   ============================================================ */
.mobile-only-cards {
  display: none;
}
.desktop-only-table {
  display: block;
}

/* ============================================================
   UNIFIED MOBILE & TABLET RESPONSIVE SYSTEM (<= 960px)
   ============================================================ */
@media (max-width: 960px) {
  html {
    font-size: 14.5px;
    width: 100% !important;
    max-width: 100vw !important;
    overflow-x: hidden !important;
  }
  body {
    width: 100% !important;
    max-width: 100vw !important;
    overflow-x: hidden !important;
  }

  /* Prevent auto-zooming on input focus on iOS/Android */
  input[type="text"],
  input[type="number"],
  input[type="email"],
  input[type="password"],
  input[type="date"],
  input[type="search"],
  select,
  textarea {
    font-size: 16px !important;
  }

  /* Sidebar drawer */
  .sidebar { 
    transform: translateX(calc(-1 * var(--sidebar-w))); 
    z-index: 2000;
    box-shadow: 0 0 35px rgba(0, 0, 0, 0.85);
  }
  .sidebar.mobile-open { 
    transform: translateX(0); 
  }
  
  .main-wrapper { 
    margin-left: 0 !important; 
    width: 100% !important;
    max-width: 100vw !important;
    min-width: 0 !important;
    overflow-x: hidden !important;
  }
  .main-content { 
    padding: 12px 10px !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    overflow-x: hidden !important;
  }
  .card {
    padding: 14px 12px !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    border-radius: var(--radius);
    margin-bottom: 14px;
    box-sizing: border-box;
  }

  /* Topbar & Headers */
  .topbar {
    padding: 0 12px;
    height: 56px;
    width: 100% !important;
    max-width: 100vw !important;
  }
  .topbar-date {
    display: none;
  }
  .page-title {
    font-size: 0.95rem;
  }
  .page-header {
    flex-direction: column;
    align-items: stretch !important;
    gap: 12px;
    margin-bottom: 16px;
    width: 100% !important;
  }
  .page-header-text h2 {
    font-size: 1.25rem;
  }
  .page-header-text p {
    font-size: 0.8rem;
  }
  .page-header .flex,
  .page-header .flex.gap-2,
  .page-header div.flex {
    flex-direction: column !important;
    width: 100% !important;
    gap: 8px !important;
  }
  .page-header .btn,
  .page-header a.btn {
    width: 100% !important;
    justify-content: center;
    min-height: 44px;
  }

  /* Grids & Stat Cards */
  .grid-2, .grid-3 { 
    grid-template-columns: 1fr !important; 
    gap: 12px !important;
  }
  .stat-grid { 
    grid-template-columns: 1fr !important; 
    gap: 12px;
  }
  .stats-flex-container {
    gap: 12px;
    flex-direction: column !important;
  }
  .stat-card-premium {
    min-width: 100% !important;
    width: 100% !important;
    padding: 14px 16px;
  }
  .form-row {
    grid-template-columns: 1fr !important;
    gap: 12px;
  }

  /* Buttons & Anti-overflow on Mobile */
  .btn:not(.btn-sm) {
    min-height: 46px;
    font-size: 0.92rem;
    padding: 12px 14px;
    white-space: normal !important;
    word-break: break-word !important;
    line-height: 1.35 !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .btn-sm {
    min-height: 38px;
    padding: 8px 12px;
    font-size: 0.82rem;
    white-space: normal !important;
    word-break: break-word !important;
  }

  #btnSavePaso1Photo, #btnSubmitMain {
    width: 100% !important;
    max-width: 100% !important;
    font-size: 0.88rem !important;
    padding: 12px 10px !important;
    min-height: 48px !important;
    line-height: 1.35 !important;
    white-space: normal !important;
    word-break: break-word !important;
    box-sizing: border-box !important;
  }

  /* Responsive Cards vs Desktop Table */
  .desktop-only-table {
    display: none !important;
  }

  .device-type-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .mobile-only-cards {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  @media (max-width: 480px) {
    .mobile-only-cards {
      grid-template-columns: 1fr !important;
      gap: 10px !important;
    }
    .card {
      padding: 12px 10px !important;
    }
    .device-pill-card {
      padding: 10px 4px !important;
      min-height: 72px !important;
    }
    .device-name {
      font-size: 0.76rem !important;
    }
  }

  .mobile-item-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  .mobile-item-card:active,
  .mobile-item-card:hover {
    border-color: var(--accent);
  }

  .mobile-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
    gap: 8px;
  }
  .mobile-card-id {
    font-weight: 800;
    color: var(--accent);
    font-size: 0.95rem;
  }
  .mobile-card-badges {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
  }

  .mobile-card-body {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 0.84rem;
  }

  .mobile-card-main-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
  }
  .mobile-card-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
  }

  .mobile-card-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--text-secondary);
  }
  .mobile-card-row strong {
    color: var(--text-primary);
  }

  .mobile-card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 10px;
    border-top: 1px dashed var(--border);
    margin-top: 2px;
  }
  .mobile-card-actions .btn {
    flex: 1;
    min-height: 42px;
    justify-content: center;
    font-size: 0.85rem;
    padding: 8px 12px;
  }
  .mobile-card-actions .btn-primary {
    flex: 100%;
    min-height: 44px;
    font-weight: 700;
  }

  /* Paso Workflow: prioritize current step action on top */
  .paso-workflow-grid {
    display: flex !important;
    flex-direction: column-reverse !important;
    gap: 16px !important;
    width: 100% !important;
  }
  .paso-workflow-grid .paso-action-card {
    order: 1 !important;
    width: 100% !important;
  }
  .paso-workflow-grid .paso-info-card {
    order: 2 !important;
    width: 100% !important;
  }

  /* Stepper mobile UX */
  .stepper {
    justify-content: flex-start;
    padding-bottom: 6px;
    gap: 6px;
    width: 100% !important;
  }
  .step-item {
    min-width: 68px;
    flex: 0 0 auto;
  }
  .step-circle {
    width: 34px;
    height: 34px;
    font-size: 0.85rem;
  }
  .step-label {
    font-size: 0.62rem;
    line-height: 1.2;
    margin-top: 4px;
    max-width: 68px;
  }

  /* Checklist items mobile layout */
  .checklist-row {
    flex-direction: column !important;
    align-items: stretch !important;
    padding: 12px !important;
    gap: 10px !important;
  }
  .checklist-row-title {
    font-size: 0.875rem !important;
  }
  .radio-group-wrap {
    width: 100% !important;
    display: flex !important;
    gap: 8px !important;
  }
  .radio-group-wrap .radio-pill {
    flex: 1 !important;
    padding: 11px 0 !important;
    font-size: 0.85rem !important;
    min-height: 44px !important;
  }

  /* Photo Zone and Action Buttons */
  .photo-actions-flex {
    flex-direction: column !important;
    width: 100% !important;
    gap: 8px !important;
  }
  .photo-actions-flex .btn {
    width: 100% !important;
    min-height: 44px;
    justify-content: center;
  }
  .photo-zone {
    padding: 24px 14px;
  }
  .photo-zone p {
    font-size: 0.85rem;
  }
  .photo-zone span {
    font-size: 0.72rem;
  }

  /* Camera Modal Mobile UX */
  .camera-modal-overlay,
  #cameraModal.modal-backdrop {
    padding: 0;
    align-items: flex-end;
  }
  .camera-modal-overlay .camera-modal-box,
  #cameraModal .modal {
    max-width: 100vw !important;
    width: 100% !important;
    border-radius: 20px 20px 0 0 !important;
    margin: 0 !important;
    max-height: 92vh !important;
    padding: 18px 16px !important;
  }
  #cameraModal video {
    width: 100% !important;
    height: auto !important;
    max-height: 52vh !important;
    border-radius: 12px;
  }

  /* Form Filter Bars */
  form.card .flex.items-center,
  form.card div[style*="display: flex"] {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 10px !important;
  }
  form.card .form-group,
  form.card input,
  form.card select {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 100% !important;
  }
  form.card .btn {
    width: 100% !important;
    min-height: 42px;
    justify-content: center;
  }
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ============================================================
   UTILITIES
   ============================================================ */
.divider {
  height: 1px;
  background: var(--border);
  margin: 20px 0;
}

.empty-state {
  text-align: center;
  padding: 50px 20px;
  color: var(--text-muted);
}

.empty-state svg { margin: 0 auto 14px; opacity: 0.4; }
.empty-state h3 { font-size: 1rem; margin-bottom: 6px; color: var(--text-secondary); }
.empty-state p  { font-size: 0.83rem; }

.avatar-sm {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #00e5b0);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.75rem; color: #000;
}

/* Loader */
.spinner {
  width: 22px; height: 22px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

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

/* Toast notification */
.toast-container {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 9998;
  display: flex; flex-direction: column; gap: 8px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 18px;
  font-size: 0.875rem;
  color: var(--text-primary);
  box-shadow: var(--shadow);
  display: flex; align-items: center; gap: 10px;
  animation: toastIn 0.25s ease;
  min-width: 260px;
  max-width: 380px;
}

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

@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: none; }
}