:root{--ps-blue:#2e7fa0;--ps-dark:#172033;--ps-bg:#f2f5f8;--ps-border:#dfe5ec}
html,body{min-height:100%;background:var(--ps-bg);color:var(--ps-dark)}
body{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;font-size:.92rem}
.login-page{min-height:100vh;display:grid;place-items:center;padding:1rem;background:linear-gradient(145deg,#edf5f8,#f8fafc)}
.login-card{width:min(100%,410px);border:0;border-radius:1rem}
.brand-mark{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:var(--ps-blue);color:#fff;font-weight:800;font-size:1.15rem}
.brand-mark.small{width:38px;height:38px;border-radius:10px;font-size:.85rem;flex:0 0 auto}
.app-shell{min-height:100vh;display:flex}
.sidebar{width:230px;background:#fff;border-right:1px solid var(--ps-border);display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;z-index:1030}
.brand{display:flex;gap:.75rem;align-items:center;padding:1rem;border-bottom:1px solid var(--ps-border);color:var(--ps-blue)}
.brand small,.user-panel small{display:block;color:#778195;font-size:.72rem}
.sidebar nav{padding:.7rem;gap:.2rem;overflow-y:auto}
.sidebar .nav-link{color:#556176;border-radius:.55rem;padding:.65rem .75rem;cursor:pointer}
.sidebar .nav-link:hover,.sidebar .nav-link.active{color:var(--ps-blue);background:#eaf4f8}
.user-panel{margin-top:auto;border-top:1px solid var(--ps-border);padding:1rem}
.main-content{flex:1;margin-left:230px;min-width:0}
.content-wrap{padding:1.5rem;max-width:1400px}
.mobile-header{display:none;background:#fff;border-bottom:1px solid var(--ps-border);padding:.7rem 1rem;align-items:center;gap:1rem;position:sticky;top:0;z-index:1020}
.page-head{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.25rem;flex-wrap:wrap}
.page-head h1{font-size:1.45rem;margin:0}.page-head p{margin:.2rem 0 0;color:#6c7689}
.stat-card{border:0;border-left:4px solid var(--ps-blue);height:100%}.stat-card .value{font-size:1.65rem;font-weight:750}.stat-card .label{font-size:.78rem;color:#6c7689;text-transform:uppercase}
.card{border-color:var(--ps-border)}.table>:not(caption)>*>*{padding:.65rem .7rem;vertical-align:middle}.table thead th{font-size:.72rem;text-transform:uppercase;color:#667085;background:#f7f9fb;white-space:nowrap}.table-responsive{border-radius:.6rem}
.badge-soft{background:#eaf4f8;color:var(--ps-blue)}.stock-alert{color:#b42318;font-weight:700}.stock-ok{color:#067647;font-weight:700}
.form-label{font-size:.78rem;font-weight:650;color:#475467}.required:after{content:" *";color:#dc3545}
.item-row{display:grid;grid-template-columns:1fr 120px 40px;gap:.5rem;margin-bottom:.5rem}.amount{font-variant-numeric:tabular-nums;font-weight:700}
.empty{padding:3rem 1rem;text-align:center;color:#788399}.loading{padding:3rem;text-align:center;color:#788399}
@media print{.sidebar,.mobile-header,.page-actions,#flash{display:none!important}.main-content{margin:0}.content-wrap{padding:0}.card{border:0}.table{font-size:10pt}}
@media(max-width:850px){.sidebar{transform:translateX(-100%);transition:transform .2s;box-shadow:4px 0 20px #0002}.sidebar.open{transform:translateX(0)}.main-content{margin-left:0}.mobile-header{display:flex}.content-wrap{padding:1rem}.item-row{grid-template-columns:1fr 90px 40px}}