* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f3f5f6;
    color: #111827;
}
a { color: inherit; text-decoration: none; }
.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 270px;
    background: #147a45;
    color: #fff;
    padding: 28px 10px;
    overflow-y: auto;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    padding: 8px 6px 20px;
    border-bottom: 1px solid rgba(255,255,255,.14);
}
.brand span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #b8f7d4;
}
.side-label {
    margin: 18px 6px 8px;
    font-size: 12px;
    text-transform: uppercase;
    color: #c7f2dc;
    letter-spacing: .04em;
}
.sidebar nav a {
    display: block;
    padding: 14px 16px;
    margin: 4px 0;
    border-radius: 8px;
}
.sidebar nav a.active,
.sidebar nav a:hover {
    background: rgba(255,255,255,.18);
}
.content {
    margin-left: 270px;
    padding: 30px 32px;
}
.panel {
    background: #fff;
    border: 1px solid #d1d8de;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 14px;
    overflow-x: auto;
}
h1 { margin: 0 0 14px; font-size: 22px; }
h2 { margin: 0 0 12px; font-size: 17px; }
.cards {
    display: grid;
    grid-template-columns: repeat(4, minmax(150px, 1fr));
    gap: 14px;
    margin-bottom: 14px;
}
.metric {
    color: #fff;
    border-radius: 8px;
    padding: 16px;
    min-height: 118px;
}
.metric strong { display: block; font-size: 24px; margin-top: 16px; }
.blue { background: #2381df; }
.purple { background: #8053d3; }
.orange { background: #df792a; }
.green { background: #249b5b; }
.teal { background: #218d96; }
.toolbar {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin-bottom: 12px;
}
.btn, button {
    display: inline-block;
    border: 0;
    border-radius: 6px;
    background: #147a45;
    color: #fff;
    padding: 10px 14px;
    cursor: pointer;
    font-size: 14px;
}
.btn.secondary { background: #475569; }
.btn.danger, button.danger { background: #be123c; }
table {
    width: 100%;
    min-width: 720px;
    border-collapse: collapse;
    font-size: 14px;
}
th {
    text-align: left;
    padding: 10px 8px;
    border-bottom: 1px solid #cfd6dc;
}
td {
    padding: 9px 8px;
    border-bottom: 1px solid #dde2e6;
}
tbody tr:nth-child(odd) { background: #efefef; }
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(220px, 1fr));
    gap: 12px;
}
.full { grid-column: 1 / -1; }
label { display: block; font-weight: 700; font-size: 13px; margin-bottom: 6px; }
input, select, textarea {
    width: 100%;
    border: 1px solid #cbd5df;
    border-radius: 6px;
    padding: 10px;
    font: inherit;
    background: #fff;
}
textarea { min-height: 92px; resize: vertical; }
.flash {
    border-radius: 8px;
    padding: 12px 14px;
    margin-bottom: 14px;
    color: #fff;
    background: #15803d;
}
.flash.error { background: #be123c; }
.login-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 20px;
}
.login-card {
    width: min(420px, 100%);
    background: #fff;
    border: 1px solid #d1d8de;
    border-radius: 8px;
    padding: 24px;
}
.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.muted { color: #64748b; font-size: 13px; }
.medicine-row {
    display: grid;
    grid-template-columns: 1fr 160px;
    gap: 10px;
    margin-bottom: 10px;
}
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 999px;
    background: #e2e8f0;
    font-size: 12px;
}
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 20;
    background: rgba(15, 23, 42, .54);
    padding: 28px;
    overflow-y: auto;
}
.modal:target { display: block; }
.modal-box {
    width: min(860px, 100%);
    margin: 40px auto;
    background: #fff;
    border: 1px solid #d1d8de;
    border-radius: 8px;
    padding: 16px;
    box-shadow: 0 18px 50px rgba(15, 23, 42, .22);
}
.image-modal-box {
    width: min(1100px, 100%);
}
.document-preview {
    display: block;
    max-width: 100%;
    max-height: 72vh;
    margin: 0 auto;
    border: 1px solid #d1d8de;
    border-radius: 6px;
    object-fit: contain;
}
@media (max-width: 900px) {
    .sidebar { position: static; width: 100%; }
    .content { margin-left: 0; padding: 16px; }
    .cards, .form-grid { grid-template-columns: 1fr; }
    .medicine-row { grid-template-columns: 1fr; }
    .toolbar { align-items: stretch; flex-direction: column; }
    .panel { padding: 12px; }
    table { font-size: 13px; }
    .btn, button { width: 100%; text-align: center; }
    .actions { align-items: stretch; }
}