/* ============================================================
   NUTRI360 — Estilos del prototipo
   Paleta: verde/turquesa (principal) + naranja/durazno (acento)
   ============================================================ */
:root{
  --brand:#0d9488;       /* teal principal */
  --brand-dark:#0f766e;
  --brand-light:#ccfbf1;
  --accent:#f97316;      /* naranja nutrición */
  --accent-light:#ffedd5;
  --success:#16a34a;
  --warning:#eab308;
  --danger:#dc2626;
  --gray:#64748b;
}
*{box-sizing:border-box}
body{font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;margin:0;background:#f1f5f9;color:#0f172a;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
.brand-bg{background:var(--brand)}
.brand-text{color:var(--brand)}
.accent-bg{background:var(--accent)}
.accent-text{color:var(--accent)}

/* Sidebar */
.sidebar{width:260px;background:#0f172a;color:#cbd5e1;min-height:100vh;position:fixed;top:0;left:0;display:flex;flex-direction:column;transition:transform .25s}
.sidebar .logo{padding:20px;font-weight:700;font-size:1.15rem;color:#fff;display:flex;align-items:center;gap:10px;border-bottom:1px solid #1e293b}
.nav-item{display:flex;align-items:center;gap:12px;padding:11px 20px;font-size:.9rem;cursor:pointer;border-left:3px solid transparent;transition:.15s}
.nav-item:hover{background:#1e293b;color:#fff}
.nav-item.active{background:#134e4a;color:#fff;border-left-color:var(--brand);font-weight:600}
.nav-item .ico{width:20px;text-align:center}
.nav-section{padding:14px 20px 6px;font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;color:#475569;font-weight:700}

/* Layout */
.main{margin-left:260px;min-height:100vh}
.topbar{background:#fff;border-bottom:1px solid #e2e8f0;padding:14px 28px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:20}
.content{padding:28px}

/* Cards */
.card{background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:20px;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.kpi{background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:18px;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.kpi .val{font-size:1.7rem;font-weight:700;line-height:1.1}
.kpi .lbl{font-size:.8rem;color:var(--gray);margin-top:4px}

/* Badges */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;font-size:.72rem;font-weight:600}
.b-green{background:#dcfce7;color:#166534}
.b-teal{background:var(--brand-light);color:var(--brand-dark)}
.b-orange{background:var(--accent-light);color:#9a3412}
.b-yellow{background:#fef9c3;color:#854d0e}
.b-red{background:#fee2e2;color:#991b1b}
.b-gray{background:#f1f5f9;color:#475569}
.b-blue{background:#dbeafe;color:#1e40af}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:10px;font-size:.85rem;font-weight:600;cursor:pointer;border:none;transition:.15s}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#ea580c}
.btn-ghost{background:#f1f5f9;color:#334155}
.btn-ghost:hover{background:#e2e8f0}
.btn-sm{padding:6px 12px;font-size:.78rem}

/* Tables */
table{width:100%;border-collapse:collapse;font-size:.86rem}
thead th{text-align:left;padding:11px 14px;color:var(--gray);font-weight:600;font-size:.74rem;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid #e2e8f0}
tbody td{padding:12px 14px;border-bottom:1px solid #f1f5f9}
tbody tr:hover{background:#f8fafc}
.row-link{cursor:pointer}

/* Inputs */
.input,select.input,textarea.input{width:100%;padding:9px 12px;border:1px solid #cbd5e1;border-radius:10px;font-size:.88rem;background:#fff;font-family:inherit}
.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-light)}
.label{font-size:.78rem;font-weight:600;color:#475569;margin-bottom:5px;display:block}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(15,23,42,.5);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}
.modal{background:#fff;border-radius:16px;max-width:560px;width:100%;max-height:90vh;overflow:auto;box-shadow:0 20px 50px rgba(0,0,0,.2)}

/* Toast */
.toast{position:fixed;bottom:24px;right:24px;background:#0f172a;color:#fff;padding:13px 20px;border-radius:12px;font-size:.88rem;z-index:200;box-shadow:0 10px 30px rgba(0,0,0,.25);display:flex;align-items:center;gap:10px;animation:slideIn .3s}
@keyframes slideIn{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}

/* Breadcrumbs */
.crumbs{font-size:.8rem;color:var(--gray);margin-bottom:6px}
.crumbs a{color:var(--brand);font-weight:600}

/* Progress bar */
.prog{height:8px;background:#e2e8f0;border-radius:999px;overflow:hidden}
.prog>span{display:block;height:100%;background:var(--brand)}

/* Timeline */
.tl{position:relative;padding-left:26px}
.tl:before{content:"";position:absolute;left:8px;top:4px;bottom:4px;width:2px;background:#e2e8f0}
.tl-item{position:relative;padding-bottom:18px}
.tl-item:before{content:"";position:absolute;left:-22px;top:2px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--brand)}
.tl-item.done:before{background:var(--brand)}
.tl-item.pending:before{border-color:#cbd5e1}

/* Patient portal (mobile-first) */
.p-shell{max-width:480px;margin:0 auto;background:#f8fafc;min-height:100vh;position:relative;padding-bottom:80px}
.p-header{background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;padding:26px 22px 30px;border-radius:0 0 24px 24px}
.p-card{background:#fff;border-radius:18px;padding:18px;box-shadow:0 2px 10px rgba(0,0,0,.05);margin:14px 18px}
.bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);max-width:480px;width:100%;background:#fff;border-top:1px solid #e2e8f0;display:flex;justify-content:space-around;padding:8px 0}
.bn-item{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:.68rem;color:var(--gray);cursor:pointer;padding:4px 10px}
.bn-item.active{color:var(--brand);font-weight:700}
.bn-item .bn-ico{font-size:1.2rem}

.hidden{display:none!important}
.empty-state{text-align:center;padding:50px 20px;color:var(--gray)}
.empty-state .es-ico{font-size:2.6rem;margin-bottom:10px}

@media(max-width:768px){
  .sidebar{transform:translateX(-100%);z-index:50}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0}
  .content{padding:16px}
}