/* =====================================================================
   PetCarnet — estilos generales
   Paleta: verde salvia + coral cálido, transmite calma/salud/cuidado
   ===================================================================== */

:root{
  --verde-50:#f1f8f4;
  --verde-100:#dcefe2;
  --verde-500:#3fa876;
  --verde-600:#2f8c60;
  --verde-700:#26714d;
  --coral-400:#ff9376;
  --coral-500:#ff7a54;
  --azul-500:#4c8dff;
  --amarillo-500:#ffb545;
  --rojo-500:#e5544d;
  --tinta-900:#1c2622;
  --tinta-700:#3a4740;
  --tinta-500:#66756d;
  --tinta-300:#a6b3ac;
  --fondo:#f6f9f7;
  --tarjeta:#ffffff;
  --borde:#e6ece8;
  --radio-sm:10px;
  --radio-md:16px;
  --radio-lg:22px;
  --sombra:0 4px 18px rgba(28,38,34,.06);
  --sombra-hover:0 10px 28px rgba(28,38,34,.10);
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:'Segoe UI',-apple-system,BlinkMacSystemFont,Roboto,Helvetica,Arial,sans-serif;
  background:var(--fondo);
  color:var(--tinta-900);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{margin:0 0 .4em 0;font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 .8em 0;color:var(--tinta-500);}
ul{list-style:none;margin:0;padding:0;}
img{max-width:100%;display:block;}

/* ---------- Layout general con sidebar ---------- */
.app-shell{display:flex;min-height:100vh;}
.sidebar{
  width:240px;flex-shrink:0;background:linear-gradient(180deg,var(--verde-700),var(--verde-600));
  color:#fff;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
  transition:transform .25s ease;z-index:40;
}
.sidebar-brand{
  font-size:1.25rem;font-weight:800;padding:22px 20px;display:flex;align-items:center;gap:8px;
  border-bottom:1px solid rgba(255,255,255,.15);
}
.sidebar-brand small{font-weight:500;opacity:.75;font-size:.6em;text-transform:uppercase;margin-left:4px;}
.sidebar-nav{display:flex;flex-direction:column;padding:14px 10px;gap:2px;overflow-y:auto;}
.sidebar-nav a{
  padding:11px 14px;border-radius:var(--radio-sm);font-size:.94rem;color:rgba(255,255,255,.88);
  transition:background .15s ease;
}
.sidebar-nav a:hover{background:rgba(255,255,255,.12);}
.sidebar-nav a.active{background:rgba(255,255,255,.22);font-weight:600;color:#fff;}
.sidebar-nav a.logout{margin-top:14px;border-top:1px solid rgba(255,255,255,.15);padding-top:16px;color:#ffe1da;}

.main-area{flex:1;min-width:0;display:flex;flex-direction:column;}
.topbar{
  display:flex;align-items:center;gap:14px;background:var(--tarjeta);
  padding:16px 26px;border-bottom:1px solid var(--borde);position:sticky;top:0;z-index:20;
}
.topbar-title{font-weight:700;font-size:1.05rem;flex:1;}
.topbar-user{color:var(--tinta-500);font-size:.92rem;}
.hamburger{display:none;background:none;border:none;font-size:1.3rem;cursor:pointer;color:var(--tinta-700);}
.content{padding:26px;max-width:1180px;width:100%;margin:0 auto;}

/* ---------- Alerts ---------- */
.alert{padding:13px 16px;border-radius:var(--radio-sm);margin-bottom:18px;font-size:.92rem;font-weight:500;}
.alert-success{background:var(--verde-100);color:var(--verde-700);}
.alert-error{background:#fdeceb;color:var(--rojo-500);}
.alert-info{background:#eaf2ff;color:#2e5fb8;}

/* ---------- Tarjetas / grid del dashboard ---------- */
.grid-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:18px;margin-bottom:26px;}
.card{
  background:var(--tarjeta);border-radius:var(--radio-md);padding:20px;box-shadow:var(--sombra);
  border:1px solid var(--borde);
}
.card-stat .label{font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;color:var(--tinta-500);font-weight:700;}
.card-stat .value{font-size:2rem;font-weight:800;margin-top:6px;}
.card-stat .sub{font-size:.85rem;color:var(--tinta-500);margin-top:4px;}
.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 11px;border-radius:99px;font-size:.78rem;font-weight:700;}
.badge-gratis{background:#eef2f0;color:var(--tinta-700);}
.badge-premium{background:linear-gradient(90deg,var(--amarillo-500),var(--coral-500));color:#fff;}
.badge-activo{background:var(--verde-100);color:var(--verde-700);}
.badge-inactivo{background:#fdeceb;color:var(--rojo-500);}

/* ---------- Sección con título + acción ---------- */
.section-head{display:flex;align-items:center;justify-content:space-between;margin:30px 0 16px;flex-wrap:wrap;gap:10px;}
.section-head h2{font-size:1.15rem;}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;border-radius:var(--radio-sm);
  padding:11px 18px;font-size:.92rem;font-weight:700;cursor:pointer;transition:filter .15s ease,transform .1s ease;
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--verde-600);color:#fff;}
.btn-primary:hover{filter:brightness(1.06);}
.btn-secondary{background:var(--verde-100);color:var(--verde-700);}
.btn-secondary:hover{filter:brightness(.97);}
.btn-coral{background:var(--coral-500);color:#fff;}
.btn-coral:hover{filter:brightness(1.05);}
.btn-outline{background:transparent;border:1.5px solid var(--borde);color:var(--tinta-700);}
.btn-danger{background:#fdeceb;color:var(--rojo-500);}
.btn-sm{padding:7px 12px;font-size:.82rem;border-radius:8px;}
.btn-block{width:100%;}

/* ---------- Formularios ---------- */
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;}
.field label{font-size:.85rem;font-weight:700;color:var(--tinta-700);}
.field .hint{font-size:.78rem;color:var(--tinta-300);}
input[type=text],input[type=email],input[type=password],input[type=tel],input[type=date],
input[type=time],input[type=number],input[type=file],select,textarea{
  padding:11px 13px;border:1.5px solid var(--borde);border-radius:var(--radio-sm);font-size:.94rem;
  font-family:inherit;background:#fff;color:var(--tinta-900);width:100%;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--verde-500);box-shadow:0 0 0 3px var(--verde-100);}
textarea{resize:vertical;min-height:80px;}
.checkbox-row{display:flex;align-items:flex-start;gap:8px;font-size:.88rem;color:var(--tinta-700);}
.checkbox-row input{width:auto;margin-top:3px;}

/* ---------- Auth (login/registro) ---------- */
.auth-wrap{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--verde-600),var(--verde-700));padding:20px;
}
.auth-card{
  background:#fff;border-radius:var(--radio-lg);padding:40px 36px;max-width:440px;width:100%;
  box-shadow:0 20px 50px rgba(0,0,0,.18);
}
.auth-brand{text-align:center;font-size:1.6rem;font-weight:800;margin-bottom:4px;color:var(--verde-700);}
.auth-sub{text-align:center;color:var(--tinta-500);margin-bottom:24px;font-size:.92rem;}
.auth-links{display:flex;justify-content:space-between;font-size:.85rem;margin-top:14px;}
.auth-links a{color:var(--verde-600);font-weight:600;}

/* ---------- Tarjetas de mascotas ---------- */
.pet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px;}
.pet-card{background:var(--tarjeta);border-radius:var(--radio-md);overflow:hidden;box-shadow:var(--sombra);border:1px solid var(--borde);transition:box-shadow .15s ease,transform .15s ease;}
.pet-card:hover{box-shadow:var(--sombra-hover);transform:translateY(-2px);}
.pet-photo{width:100%;aspect-ratio:1/1;object-fit:cover;background:var(--verde-100);}
.pet-body{padding:14px 16px;}
.pet-name{font-size:1.05rem;font-weight:800;margin-bottom:2px;}
.pet-meta{font-size:.84rem;color:var(--tinta-500);margin-bottom:12px;}
.pet-actions{display:flex;gap:8px;}

/* ---------- Listas de eventos / timeline ---------- */
.event-list{display:flex;flex-direction:column;gap:10px;}
.event-item{
  display:flex;align-items:center;gap:12px;background:var(--tarjeta);border:1px solid var(--borde);
  border-radius:var(--radio-sm);padding:12px 14px;
}
.event-icon{font-size:1.3rem;width:40px;height:40px;border-radius:50%;background:var(--verde-100);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.event-date{font-size:.78rem;font-weight:700;color:var(--tinta-500);min-width:52px;}
.event-title{font-weight:600;font-size:.92rem;}
.event-sub{font-size:.8rem;color:var(--tinta-500);}

/* ---------- Tablas (admin) ---------- */
.table-wrap{overflow-x:auto;background:var(--tarjeta);border-radius:var(--radio-md);border:1px solid var(--borde);box-shadow:var(--sombra);}
table{width:100%;border-collapse:collapse;font-size:.88rem;}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--borde);white-space:nowrap;}
th{background:var(--verde-50);color:var(--verde-700);font-weight:700;font-size:.78rem;text-transform:uppercase;letter-spacing:.03em;}
tr:last-child td{border-bottom:none;}
tr:hover td{background:#fafcfb;}

/* ---------- Filtros/búsqueda admin ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;align-items:center;}
.filter-bar select,.filter-bar input[type=text]{width:auto;min-width:180px;}
.chip{padding:6px 13px;border-radius:99px;font-size:.8rem;font-weight:700;background:#eef2f0;color:var(--tinta-700);}

/* ---------- Empty state ---------- */
.empty-state{text-align:center;padding:50px 20px;color:var(--tinta-500);}
.empty-state .emoji{font-size:2.4rem;margin-bottom:10px;}

/* ---------- Oferta banner ---------- */
.offer-banner{
  background:linear-gradient(120deg,var(--coral-500),var(--amarillo-500));color:#fff;
  border-radius:var(--radio-lg);padding:26px 28px;margin-bottom:26px;
  display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
}
.offer-banner h3{margin-bottom:6px;font-size:1.15rem;}
.offer-banner p{color:rgba(255,255,255,.92);margin:0;max-width:520px;}
.offer-banner .btn{background:#fff;color:var(--coral-500);}

/* ---------- Detalle de estado ---------- */
.tag{display:inline-block;padding:3px 10px;border-radius:99px;font-size:.75rem;font-weight:700;}
.tag-activo{background:var(--verde-100);color:var(--verde-700);}
.tag-finalizado{background:#eef2f0;color:var(--tinta-500);}
.tag-pendiente{background:#fff4e0;color:#a06716;}
.tag-completado{background:var(--verde-100);color:var(--verde-700);}
.tag-cancelado{background:#fdeceb;color:var(--rojo-500);}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .sidebar{position:fixed;left:0;top:0;transform:translateX(-100%);box-shadow:0 0 40px rgba(0,0,0,.25);}
  .sidebar.open{transform:translateX(0);}
  .hamburger{display:block;}
  .content{padding:18px;}
}
@media (max-width:520px){
  .auth-card{padding:28px 22px;}
  .topbar{padding:14px 16px;}
}