/* ===== ADY PARTES PWA — CSS PRINCIPAL ===== */

:root {
    --azul:        #1a3a6b;
    --azul-claro:  #2952a3;
    --azul-suave:  #e8eef8;
    --naranja:     #f4a020;
    --naranja-osc: #d4880a;
    --gris-oscuro: #2d2d2d;
    --gris-medio:  #6b7280;
    --gris-claro:  #f3f4f6;
    --blanco:      #ffffff;
    --borde:       #dde3f0;
    --sombra:      0 4px 20px rgba(26,58,107,0.12);
    --sombra-lg:   0 8px 40px rgba(26,58,107,0.18);
    --radio:       14px;
    --radio-sm:    8px;
    --header-h:    64px;
    --nav-h:       64px;
    --font-main:   'Nunito', sans-serif;
    --font-display:'Bebas Neue', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-main); background: #f0f4fb; color: var(--gris-oscuro); min-height: 100vh; overscroll-behavior: none; }

/* HEADER */
.app-header { position: fixed; top: 0; left: 0; right: 0; height: var(--header-h); background: var(--azul); display: flex; align-items: center; justify-content: space-between; padding: 0 16px; z-index: 100; box-shadow: 0 2px 12px rgba(0,0,0,0.25); }
.header-left { display: flex; align-items: center; gap: 12px; }
.logo { height: 40px; width: auto; object-fit: contain; filter: brightness(0) invert(1); }
.header-title { display: flex; flex-direction: column; }
.brand { font-family: var(--font-display); font-size: 22px; color: var(--naranja); letter-spacing: 2px; line-height: 1; }
.subtitle { font-size: 10px; color: rgba(255,255,255,0.7); letter-spacing: 1px; text-transform: uppercase; }
.header-right { display: flex; align-items: center; gap: 10px; }
.tecnico-badge { font-size: 12px; color: rgba(255,255,255,0.85); background: rgba(255,255,255,0.12); padding: 4px 10px; border-radius: 20px; }
.btn-logout { color: rgba(255,255,255,0.7); text-decoration: none; font-size: 20px; padding: 4px; transition: color 0.2s; }
.btn-logout:hover { color: var(--naranja); }

/* MAIN */
.main-content { padding-top: calc(var(--header-h) + 16px); padding-bottom: calc(var(--nav-h) + 16px); padding-left: 16px; padding-right: 16px; max-width: 700px; margin: 0 auto; }

/* CARDS */
.card { background: var(--blanco); border-radius: var(--radio); box-shadow: var(--sombra); margin-bottom: 16px; overflow: hidden; }
.section-hidden { display: none; }
.section-active { display: block; animation: slideIn 0.35s ease; }
@keyframes slideIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
.card-header { background: linear-gradient(135deg, var(--azul), var(--azul-claro)); padding: 14px 20px; display: flex; align-items: center; gap: 14px; }
.step-badge { font-family: var(--font-display); font-size: 28px; color: var(--naranja); letter-spacing: 1px; line-height: 1; }
.card-header h2 { color: var(--blanco); font-size: 16px; font-weight: 700; letter-spacing: 0.5px; }
.card-body { padding: 20px; }
.card-footer { padding: 14px 20px; background: var(--gris-claro); display: flex; gap: 10px; justify-content: flex-end; border-top: 1px solid var(--borde); }

/* FIELDS */
.field-group { margin-bottom: 14px; }
.field-group:last-child { margin-bottom: 0; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 14px; }
label { display: block; font-size: 12px; font-weight: 700; color: var(--azul); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
input[type="text"], input[type="email"], input[type="tel"], input[type="date"], input[type="time"], input[type="password"], textarea { width: 100%; padding: 11px 14px; border: 2px solid var(--borde); border-radius: var(--radio-sm); font-family: var(--font-main); font-size: 14px; color: var(--gris-oscuro); background: var(--blanco); transition: border-color 0.2s, box-shadow 0.2s; -webkit-appearance: none; }
input:focus, textarea:focus { outline: none; border-color: var(--azul-claro); box-shadow: 0 0 0 3px rgba(41,82,163,0.12); }
textarea { resize: vertical; min-height: 90px; }
.readonly-field { background: var(--azul-suave) !important; color: var(--azul) !important; font-weight: 700; }

/* AUTOCOMPLETE */
.autocomplete-wrap { position: relative; }
.autocomplete-list { position: absolute; top: 100%; left: 0; right: 0; background: var(--blanco); border: 2px solid var(--azul-claro); border-top: none; border-radius: 0 0 var(--radio-sm) var(--radio-sm); z-index: 200; max-height: 220px; overflow-y: auto; box-shadow: var(--sombra); }
.autocomplete-list.hidden { display: none; }
.autocomplete-item { padding: 10px 14px; cursor: pointer; border-bottom: 1px solid var(--borde); transition: background 0.15s; }
.autocomplete-item:hover { background: var(--azul-suave); }
.autocomplete-item:last-child { border-bottom: none; }
.autocomplete-item strong { display: block; color: var(--azul); font-size: 13px; }
.autocomplete-item small { color: var(--gris-medio); font-size: 11px; }

/* BOTONES */
.btn-primary, .btn-secondary, .btn-outline, .btn-clear { padding: 11px 22px; border-radius: var(--radio-sm); font-family: var(--font-main); font-size: 14px; font-weight: 700; cursor: pointer; border: none; transition: all 0.2s; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
.btn-primary { background: var(--naranja); color: var(--blanco); }
.btn-primary:hover { background: var(--naranja-osc); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(244,160,32,0.4); }
.btn-secondary { background: var(--azul-suave); color: var(--azul); }
.btn-secondary:hover { background: #d0daf2; }
.btn-outline { background: transparent; color: var(--azul); border: 2px solid var(--azul); }
.btn-outline:hover { background: var(--azul-suave); }
.btn-clear { background: #fee2e2; color: #991b1b; font-size: 13px; padding: 7px 14px; }
.btn-clear:hover { background: #fecaca; }
.btn-full { width: 100%; justify-content: center; }
.btn-guardar { background: #16a34a; }
.btn-guardar:hover { background: #15803d; box-shadow: 0 4px 12px rgba(22,163,74,0.4); }

/* FIRMA */
.firma-container { margin-top: 16px; }
.firma-wrap { position: relative; border: 2px dashed var(--azul-claro); border-radius: var(--radio-sm); background: #fafcff; overflow: hidden; cursor: crosshair; }
#firma-canvas { display: block; width: 100%; height: 180px; touch-action: none; }
.firma-placeholder { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; pointer-events: none; transition: opacity 0.2s; }
.firma-placeholder span { color: var(--azul-claro); font-size: 16px; opacity: 0.5; }
.firma-placeholder.hidden { opacity: 0; }
.firma-actions { margin-top: 8px; display: flex; justify-content: flex-end; }

/* CONFORMIDAD */
.conformidad-box { background: var(--azul-suave); border: 2px solid var(--borde); border-radius: var(--radio-sm); padding: 14px; margin-bottom: 16px; }
.checkbox-label { display: flex; align-items: center; gap: 12px; cursor: pointer; font-size: 14px; font-weight: 600; color: var(--azul); text-transform: none; letter-spacing: 0; margin-bottom: 0; }
.checkbox-label input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--azul); cursor: pointer; flex-shrink: 0; }

/* ÉXITO */
.success-card { text-align: center; padding: 40px 24px; }
.success-icon { font-size: 64px; margin-bottom: 16px; }
.success-card h2 { font-size: 24px; color: var(--azul); margin-bottom: 8px; }
.parte-numero { font-family: var(--font-display); font-size: 28px; color: var(--naranja); letter-spacing: 2px; margin-bottom: 28px; }
.success-actions { display: flex; flex-direction: column; gap: 10px; align-items: center; }

/* BOTTOM NAV */
.bottom-nav { position: fixed; bottom: 0; left: 0; right: 0; height: var(--nav-h); background: var(--blanco); display: flex; border-top: 1px solid var(--borde); box-shadow: 0 -4px 16px rgba(0,0,0,0.08); z-index: 100; }
.nav-item { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; text-decoration: none; color: var(--gris-medio); font-size: 11px; font-weight: 600; transition: color 0.2s; }
.nav-item.active { color: var(--azul); }
.nav-icon { font-size: 22px; }

/* LOGIN */
.login-body { background: linear-gradient(135deg, var(--azul) 0%, var(--azul-claro) 100%); min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 24px; }
.login-container { width: 100%; max-width: 400px; }
.login-card { background: var(--blanco); border-radius: 20px; padding: 36px 28px; box-shadow: var(--sombra-lg); }
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo img { height: 60px; margin-bottom: 12px; }
.login-logo h1 { font-size: 26px; color: var(--azul); margin-bottom: 4px; }
.login-logo p { font-size: 13px; color: var(--gris-medio); }
.login-form .field-group { margin-bottom: 16px; }
.login-footer { text-align: center; margin-top: 20px; }
.login-footer a { color: rgba(255,255,255,0.75); text-decoration: none; font-size: 13px; }
.login-footer a:hover { color: var(--blanco); }
.alert-error { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; border-radius: var(--radio-sm); padding: 10px 14px; font-size: 13px; margin-bottom: 16px; }

/* TABLAS */
.table-wrap { overflow-x: auto; }
table.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data-table th { background: var(--azul-suave); color: var(--azul); padding: 10px 12px; text-align: left; font-weight: 700; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 2px solid var(--borde); }
table.data-table td { padding: 10px 12px; border-bottom: 1px solid var(--borde); vertical-align: middle; }
table.data-table tr:hover td { background: var(--azul-suave); }
.badge { padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 700; }
.badge-firmado  { background: #dcfce7; color: #166534; }
.badge-borrador { background: #fef3c7; color: #92400e; }
.badge-enviado  { background: #dbeafe; color: #1e40af; }

/* LOADER */
.loader-overlay { position: fixed; inset: 0; background: rgba(26,58,107,0.6); display: flex; align-items: center; justify-content: center; z-index: 9999; }
.loader { width: 48px; height: 48px; border: 5px solid rgba(255,255,255,0.3); border-top-color: var(--naranja); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.loader-overlay.hidden { display: none; }

/* RESPONSIVE */
@media (max-width: 480px) {
    .field-row { grid-template-columns: 1fr; }
    .tecnico-badge { display: none; }
    .card-footer { flex-wrap: wrap; }
    .card-footer .btn-primary { width: 100%; justify-content: center; }
}