:root {
    color-scheme: light;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #17211b;
    background: #eef2ef;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; }
a { color: #17663d; }

.auth-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.auth-panel {
    width: min(100%, 440px);
    background: #fff;
    border: 1px solid #d8e0da;
    border-radius: 8px;
    padding: 32px;
    box-shadow: 0 16px 40px rgba(23, 33, 27, .08);
}

.brand {
    display: inline-block;
    margin-bottom: 22px;
    color: #17663d;
    font-size: 1.2rem;
    font-weight: 800;
    text-decoration: none;
}

.auth-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.auth-brand img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

h1 { margin: 0 0 8px; font-size: 1.65rem; letter-spacing: 0; }
.section-title { margin: 36px 0 12px; font-size: 1.3rem; letter-spacing: 0; }
.muted { margin: 0 0 24px; color: #637069; }
form { display: grid; gap: 10px; }
label { margin-top: 6px; font-size: .9rem; font-weight: 700; }

input {
    width: 100%;
    min-height: 44px;
    border: 1px solid #b9c5bd;
    border-radius: 6px;
    padding: 10px 12px;
    font: inherit;
}

input:focus {
    outline: 3px solid rgba(23, 102, 61, .16);
    border-color: #17663d;
}

button {
    min-height: 46px;
    margin-top: 12px;
    border: 0;
    border-radius: 6px;
    padding: 11px 18px;
    background: #17663d;
    color: #fff;
    font: inherit;
    font-weight: 750;
    cursor: pointer;
}

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.alert { margin: 14px 0; padding: 12px; border-left: 4px solid #b42318; background: #fff1f0; color: #7a271a; }
.auth-link { margin: 20px 0 0; text-align: center; color: #637069; }
.topbar { display: flex; justify-content: space-between; align-items: center; min-height: 64px; padding: 0 24px; background: #fff; border-bottom: 1px solid #d8e0da; }
.dashboard { width: min(100% - 32px, 760px); margin: 48px auto; }
.dashboard.wide { width: min(100% - 32px, 1100px); }
dl { padding: 20px; background: #fff; border: 1px solid #d8e0da; border-radius: 8px; }
dt { color: #637069; font-size: .85rem; }
dd { margin: 5px 0 0; font-weight: 700; }
.table-wrap { overflow-x: auto; background: #fff; border: 1px solid #d8e0da; border-radius: 8px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 13px 16px; border-bottom: 1px solid #e5ebe7; text-align: left; white-space: nowrap; }
th { background: #f6f8f6; font-size: .84rem; }

@media (max-width: 560px) {
    .auth-panel { padding: 24px 20px; }
    .form-grid { grid-template-columns: 1fr; gap: 6px; }
}

/* Estructura administrativa basada en el panel original. */
.admin-body {
    min-height: 100vh;
    background: #f4f6f9;
}

.admin-shell {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    min-height: 100vh;
}

.admin-sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: 22px 16px;
    background: #071013;
    color: #fff;
}

.admin-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 8px 18px;
    border-bottom: 1px solid rgba(215, 255, 0, .22);
    color: #fff;
    text-decoration: none;
}

.admin-brand-mark {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    flex: 0 0 38px;
    border: 2px solid #071013;
    border-radius: 9px;
    outline: 3px solid #ffd21f;
    background: #ffd21f;
    color: #071013;
    font-weight: 900;
}

.admin-brand strong,
.admin-brand small {
    display: block;
}

.admin-brand small {
    margin-top: 2px;
    color: #b8c4cc;
    font-size: 12px;
}

.admin-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.admin-nav-link {
    display: flex;
    align-items: center;
    min-height: 42px;
    padding: 10px 12px;
    border-radius: 8px;
    color: #e8edf1;
    text-decoration: none;
    font-weight: 750;
}

.admin-nav-link:hover,
.admin-nav-link.is-active {
    background: #d7ff00;
    color: #071013;
    text-decoration: none;
}

.admin-sidebar-footer {
    margin-top: auto;
    padding: 14px 8px 4px;
    border-top: 1px solid rgba(215, 255, 0, .22);
    color: #d9e6f0;
    font-size: 14px;
}

.admin-sidebar-footer span,
.admin-sidebar-footer small,
.admin-sidebar-footer a {
    display: block;
}

.admin-sidebar-footer small {
    margin-top: 14px;
    color: #b8c4cc;
}

.admin-sidebar-footer a {
    margin-top: 8px;
    color: #d7ff00;
    font-weight: 800;
    text-decoration: none;
}

.admin-main {
    width: min(100%, 1450px);
    min-width: 0;
    padding: 28px;
}

.admin-section {
    padding: 26px;
    border: 1px solid #d9e2ec;
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 12px 28px rgba(7, 16, 19, .08);
}

.admin-section h1 {
    margin: 0 0 18px;
    color: #071013;
    font-size: 1.8rem;
}

.admin-section > p,
.admin-heading p {
    margin: 0;
    color: #303a34;
}

.admin-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 22px;
}

.admin-heading h1 {
    margin-bottom: 6px;
}

.client-selector {
    display: grid;
    grid-template-columns: minmax(240px, 1fr) auto;
    gap: 10px;
    align-items: end;
    margin-top: 34px;
}

.client-selector label {
    grid-column: 1 / -1;
}

.client-selector select {
    width: 100%;
    min-height: 42px;
    padding: 9px 12px;
    border: 1px solid #aeb7b1;
    border-radius: 6px;
    background: #fff;
    font: inherit;
}

.client-selector button,
.admin-action {
    min-height: 42px;
    margin: 0;
    padding: 10px 16px;
    border-radius: 8px;
    background: #d7ff00;
    color: #071013;
    font-weight: 800;
    text-decoration: none;
    white-space: nowrap;
}

.admin-action {
    display: inline-flex;
    align-items: center;
}

@media (max-width: 760px) {
    .admin-shell { grid-template-columns: 1fr; }
    .admin-sidebar { position: static; width: 100%; height: auto; }
    .admin-sidebar-footer { margin-top: 8px; }
    .admin-main { padding: 16px; }
    .client-selector { grid-template-columns: 1fr; }
    .client-selector label { grid-column: auto; }
    .admin-heading { flex-direction: column; }
}