/* Central Norte visual refresh. Style-only layer. */
:root {
    --cn-black: #050505;
    --cn-black-2: #0d0d0d;
    --cn-panel: #151515;
    --cn-panel-2: #1d1d1d;
    --cn-panel-3: #252525;
    --cn-border: rgba(255, 255, 255, 0.12);
    --cn-border-strong: rgba(255, 255, 255, 0.22);
    --cn-white: #f7f7f7;
    --cn-soft: #e4e4e7;
    --cn-muted: #a7a7a7;
    --cn-muted-2: #737373;
    --cn-success: #21c55d;
    --cn-warning: #f4c15d;
    --cn-danger: #ef4444;
    --cn-shadow: 0 18px 45px rgba(0, 0, 0, 0.38);
    --cn-shield-bg: #ffffff;
    --cn-shield-radius: 8px;
    --cn-shield-border: rgba(0, 0, 0, 0.18);
    --cn-shield-shadow: 0 14px 28px rgba(0, 0, 0, 0.34);
}

* {
    box-sizing: border-box;
}

html {
    background: var(--cn-black);
}

body {
    min-height: 100vh;
    background:
        linear-gradient(180deg, rgba(255,255,255,0.04) 0, rgba(255,255,255,0) 240px),
        repeating-linear-gradient(135deg, rgba(255,255,255,0.035) 0 1px, transparent 1px 18px),
        linear-gradient(180deg, #050505 0%, #101010 48%, #161616 100%) !important;
    color: var(--cn-soft) !important;
    font-family: "Segoe UI", Arial, sans-serif !important;
    letter-spacing: 0;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background: linear-gradient(90deg, rgba(255,255,255,0.05), transparent 24%, transparent 76%, rgba(255,255,255,0.05));
}

body::after {
    content: "";
    position: fixed;
    right: clamp(18px, 5vw, 70px);
    bottom: clamp(18px, 5vw, 70px);
    width: clamp(180px, 26vw, 360px);
    aspect-ratio: 1;
    z-index: -1;
    pointer-events: none;
    background: url("../img/escudo.png") center / contain no-repeat;
    opacity: 0.06;
}

a {
    color: var(--cn-white);
}

.header,
header.header {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #050505 0%, #121212 100%) !important;
    border-bottom: 1px solid var(--cn-border-strong);
    box-shadow: var(--cn-shadow);
    padding: 26px 18px !important;
}

.header::after,
header.header::after,
body > h1:first-child::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, #fff, #808080, #fff, transparent);
    opacity: 0.7;
}

.header h1,
.logo,
body > h1:first-child,
body > h2:first-child {
    color: var(--cn-white) !important;
    font-weight: 800 !important;
    text-transform: uppercase;
    letter-spacing: 1.6px;
    text-align: center;
}

.header h1,
.logo {
    margin: 0 !important;
}

body > h1:first-child {
    position: relative;
    margin: 0 0 22px !important;
    padding: 28px 18px 20px;
    background: linear-gradient(180deg, #050505 0%, #111 100%);
    border-bottom: 1px solid var(--cn-border-strong);
    box-shadow: var(--cn-shadow);
}

body > h2:first-child {
    margin-top: 28px;
}

.header h1::before,
.logo::before,
body > h1:first-child::before,
body > h2:first-child::before {
    content: "";
    display: block;
    width: 96px;
    height: 96px;
    margin: 0 auto 12px;
    padding: 0;
    background: url("../img/escudo_header.png") center / contain no-repeat;
    border: 0;
    border-radius: 0;
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.34);
}

.main::before {
    content: "";
    display: block;
    width: 72px;
    height: 90px;
    margin: 0 auto 12px;
    padding: 6px;
    background: var(--cn-shield-bg) url("../img/escudo.png") center / contain no-repeat;
    background-origin: content-box;
    background-clip: padding-box;
    border: 1px solid var(--cn-shield-border);
    border-radius: var(--cn-shield-radius);
    box-shadow: var(--cn-shield-shadow);
}

.receipt-brand img,
img[src*="escudo.png"] {
    background: var(--cn-shield-bg);
    border: 1px solid var(--cn-shield-border);
    border-radius: var(--cn-shield-radius);
    padding: 5px;
    object-fit: contain;
    box-shadow: var(--cn-shield-shadow);
}

.sidebar {
    width: min(92%, 1180px);
    margin: 18px auto 0;
    padding: 12px 14px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 8px;
    background: linear-gradient(180deg, rgba(25,25,25,0.96), rgba(10,10,10,0.98));
    border: 1px solid var(--cn-border);
    border-radius: 8px;
    box-shadow: var(--cn-shadow);
}

.sidebar h2 {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin: 0 10px 0 0;
    font-size: 18px;
    text-transform: uppercase;
}

.sidebar h2::before {
    content: "";
    width: 48px;
    height: 48px;
    display: inline-block;
    padding: 0;
    background: url("../img/escudo_header.png") center / contain no-repeat;
    border: 0;
    border-radius: 0;
    box-shadow: 0 10px 18px rgba(0, 0, 0, 0.34);
}

.sidebar a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    padding: 8px 12px;
    border-radius: 8px;
    background: linear-gradient(180deg, #f8f8f8 0%, #d8d8d8 100%);
    color: #050505 !important;
    font-weight: 800;
    text-decoration: none;
    border: 1px solid var(--cn-border-strong);
}

.nav,
.acciones {
    display: flex !important;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 9px;
    margin-top: 18px !important;
}

.nav br {
    display: none;
}

.nav a,
.acciones a,
.btn-editar,
.btn-eliminar,
.volver,
button,
input[type="submit"] {
    border: 1px solid var(--cn-border-strong) !important;
    border-radius: 8px !important;
    background: linear-gradient(180deg, #f8f8f8 0%, #d8d8d8 100%) !important;
    color: #050505 !important;
    font-weight: 700;
    text-decoration: none !important;
    box-shadow: 0 10px 22px rgba(0,0,0,0.22);
    transition: background 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.nav a,
.acciones a,
.btn-editar,
.btn-eliminar,
.volver {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: 9px 16px !important;
}

.btn-eliminar {
    background: linear-gradient(180deg, #2e2e2e 0%, #181818 100%) !important;
    color: var(--cn-white) !important;
}

.nav a:hover,
.acciones a:hover,
.btn-editar:hover,
.btn-eliminar:hover,
.volver:hover,
button:hover,
input[type="submit"]:hover {
    transform: translateY(-1px);
    background: linear-gradient(180deg, #ffffff 0%, #eeeeee 100%) !important;
    color: #000 !important;
    border-color: rgba(255,255,255,0.42) !important;
}

.nav a.active {
    background: linear-gradient(180deg, #ffffff 0%, #f0f0f0 100%) !important;
    box-shadow: 0 0 0 2px rgba(255,255,255,0.18), 0 10px 22px rgba(0,0,0,0.24);
}

.cn-alert {
    width: min(92%, 980px);
    margin: 16px auto;
    padding: 12px 14px;
    border-radius: 8px;
    text-align: center;
    font-weight: 800;
    border: 1px solid var(--cn-border-strong);
}

.cn-alert-ok,
.cn-alert-success {
    color: #d7ffe4;
    background: rgba(33, 197, 93, 0.18);
    border-color: rgba(33, 197, 93, 0.42);
}

.cn-alert-error,
.cn-alert-danger {
    color: #ffd7d7;
    background: rgba(239, 68, 68, 0.18);
    border-color: rgba(239, 68, 68, 0.42);
}

.cn-alert-info,
.cn-alert-warning {
    color: #fff1c9;
    background: rgba(244, 193, 93, 0.16);
    border-color: rgba(244, 193, 93, 0.38);
}

.container,
.main,
.form-container,
.form-wrapper,
.container-cuotas {
    width: min(92%, 1180px) !important;
    max-width: 1180px;
    margin-left: auto !important;
    margin-right: auto !important;
}

.card,
.card-form,
.filtro,
.filtros,
.empty-state,
.info-filtro,
.inscripcion-check,
.cuota-item,
.cuota,
.cuota-card,
.inscripcion-estado {
    background: linear-gradient(180deg, rgba(31,31,31,0.96) 0%, rgba(18,18,18,0.98) 100%) !important;
    border: 1px solid var(--cn-border) !important;
    border-radius: 8px !important;
    box-shadow: var(--cn-shadow);
}

.card,
.card-form,
.filtro,
.filtros,
.empty-state {
    padding: 24px !important;
}

.card h2,
.card h3,
.main h2,
.container h2 {
    position: relative;
}

.card h2::after,
.card h3::after,
.main h2::after,
.container h2::after {
    content: "";
    display: block;
    width: 54px;
    height: 3px;
    margin-top: 8px;
    background: linear-gradient(90deg, #fff, #8f8f8f, transparent);
    border-radius: 999px;
}

.main .card,
.form-wrapper .card {
    width: auto !important;
    text-align: left !important;
}

.cards,
.cards-container {
    gap: 18px !important;
}

.cards > .card,
.cards-container > .card {
    width: min(240px, 100%) !important;
    min-height: 158px;
}

h1,
h2,
h3 {
    color: var(--cn-white) !important;
    letter-spacing: 0;
}

h2 {
    font-size: clamp(22px, 2.4vw, 30px);
    margin: 26px 0 18px;
}

h3 {
    color: var(--cn-soft) !important;
}

p,
label,
.info,
.empty-state,
.info-filtro,
td {
    color: var(--cn-soft);
}

label,
.empty-state p,
.info-filtro span {
    color: var(--cn-muted) !important;
}

input,
select,
textarea {
    background: #070707 !important;
    color: var(--cn-white) !important;
    border: 1px solid var(--cn-border-strong) !important;
    border-radius: 8px !important;
    outline: none;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

input:focus,
select:focus,
textarea:focus {
    border-color: rgba(255,255,255,0.55) !important;
    box-shadow: 0 0 0 3px rgba(255,255,255,0.10);
}

input[type="checkbox"] {
    width: auto !important;
    accent-color: var(--cn-white);
}

button,
input[type="submit"] {
    cursor: pointer;
}

table {
    border-collapse: separate !important;
    border-spacing: 0;
    overflow: hidden;
    background: rgba(18,18,18,0.98) !important;
    border: 1px solid var(--cn-border) !important;
    border-radius: 8px !important;
    box-shadow: var(--cn-shadow);
}

th,
thead th {
    background: linear-gradient(180deg, #060606 0%, #151515 100%) !important;
    color: var(--cn-white) !important;
    border-bottom: 1px solid var(--cn-border-strong) !important;
    text-transform: uppercase;
    font-size: 12px !important;
    letter-spacing: 0.7px;
}

td,
tbody td {
    background: rgba(18,18,18,0.66);
    color: var(--cn-soft) !important;
    border-color: rgba(255,255,255,0.08) !important;
}

tbody tr:nth-child(even) td {
    background: rgba(255,255,255,0.035);
}

tr:hover td,
tbody tr:hover {
    background: rgba(255,255,255,0.075) !important;
}

.info div,
.estado-pago,
.inscripcion-estado,
.cuota-item {
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
}

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

.offline-card {
    width: min(92vw, 460px);
    padding: 30px;
    text-align: center;
    background: linear-gradient(180deg, rgba(31,31,31,0.98), rgba(12,12,12,0.98));
    border: 1px solid var(--cn-border-strong);
    border-radius: 8px;
    box-shadow: var(--cn-shadow);
}

.offline-card img {
    width: 98px;
    margin-bottom: 14px;
}

.offline-card a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-height: 40px;
    margin-top: 14px;
    padding: 10px 18px;
    border-radius: 8px;
    background: #fff;
    color: #050505 !important;
    font-weight: 800;
    text-decoration: none;
}

.estado {
    border: 1px solid rgba(255,255,255,0.26);
    box-shadow: var(--cn-shadow);
}

.pago-ok,
.ok {
    color: var(--cn-success) !important;
}

.deuda {
    color: var(--cn-white) !important;
}

.pago-deuda,
.deuda_total,
.estado-pendiente {
    color: var(--cn-danger) !important;
}

.cuota-pagada,
.inscripcion-pagada {
    background: linear-gradient(180deg, rgba(33,197,93,0.25), rgba(14,78,39,0.36)) !important;
    border-color: rgba(33,197,93,0.45) !important;
}

.cuota-pendiente,
.inscripcion-pendiente {
    background: linear-gradient(180deg, rgba(239,68,68,0.22), rgba(88,23,23,0.36)) !important;
    border-color: rgba(239,68,68,0.42) !important;
}

.cuota-ausente,
.estado-ausente {
    background: linear-gradient(180deg, rgba(244,193,93,0.20), rgba(92,67,24,0.35)) !important;
    border-color: rgba(244,193,93,0.38) !important;
    color: #ffe1a3 !important;
}

.estado-pago {
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: 6px !important;
}

/* Final compact polish for admin/table-heavy screens. */
body {
    font-size: 15px !important;
    line-height: 1.45;
}

.header,
header.header {
    padding: 18px 16px 20px !important;
}

.header h1,
.logo {
    font-size: 29px !important;
    line-height: 1.12;
}

.header h1::before,
.logo::before,
body > h1:first-child::before,
body > h2:first-child::before {
    width: 74px;
    height: 74px;
    margin-bottom: 10px;
}

.nav,
.acciones {
    gap: 14px;
    margin-top: 20px !important;
}

.nav a,
.acciones a,
.btn-editar,
.btn-eliminar,
.volver {
    min-height: 34px;
    padding: 9px 18px !important;
    font-size: 14px !important;
    line-height: 1.15;
    white-space: nowrap;
}

button,
input[type="submit"] {
    min-height: 34px;
    padding: 8px 14px;
    font-size: 14px !important;
    line-height: 1.15;
}

.container,
.main,
.form-container,
.form-wrapper,
.container-cuotas {
    padding-left: 10px;
    padding-right: 10px;
}

.card,
.card-form,
.filtro,
.filtros,
.empty-state {
    padding: 26px !important;
}

h1 {
    font-size: 30px;
}

h2 {
    font-size: 28px;
    line-height: 1.2;
    margin: 22px 0 16px;
}

.card h2,
.main h2,
.container h2 {
    font-size: 27px;
}

.cards {
    align-items: stretch;
    justify-content: center;
    margin-top: 30px !important;
    margin-bottom: 34px !important;
}

.cards > .card,
.cards-container > .card {
    width: 230px !important;
    min-height: 142px;
    padding: 24px 20px !important;
}

.cards > .card h2,
.cards-container > .card h2 {
    font-size: 22px !important;
    line-height: 1.25;
    margin: 0 0 14px;
}

.cards > .card h1,
.cards-container > .card h1 {
    font-size: 30px !important;
    line-height: 1.15;
    margin: 0;
}

.main::before {
    display: none;
}

form label,
.card label,
.settings-card label,
.account-card label {
    display: block;
    margin: 12px 0 6px;
    font-size: 14px !important;
}

.card form input:not([type="hidden"]):not([type="checkbox"]):not([type="radio"]),
.card form select,
.card form textarea,
.settings-card input,
.settings-card textarea,
.account-card input {
    display: block;
    width: 100% !important;
    max-width: 520px;
    min-height: 38px;
    padding: 9px 11px;
    font-size: 14px !important;
}

.settings-card input,
.settings-card textarea {
    max-width: none;
}

.settings-card button,
.account-card button,
.admin-shell form button,
.container form button:not(.btn-eliminar) {
    width: auto !important;
    min-width: 170px;
    margin-top: 10px;
}

.filters input,
.filters select,
.filters button,
.filtro input,
.filtro select,
.filtro button {
    width: auto !important;
    min-width: 170px;
    max-width: 260px;
}

table {
    width: 100% !important;
    margin: 14px auto 30px;
    table-layout: auto;
    font-size: 14px !important;
}

th,
td,
thead th,
tbody td {
    padding: 10px 12px !important;
    line-height: 1.35;
    text-align: left;
    vertical-align: middle;
}

th,
thead th {
    font-size: 12px !important;
}

td .btn-editar,
td .btn-eliminar,
td button,
.receipt-tools a {
    min-height: 32px;
    padding: 7px 11px !important;
    font-size: 13px !important;
}

.receipt-tools {
    justify-content: flex-start !important;
}

.admin-shell,
.settings-shell {
    margin-top: 30px !important;
}

.grid-admin {
    grid-template-columns: minmax(310px, 390px) minmax(520px, 1fr) !important;
}

@media (max-width: 720px) {
    .header h1::before,
    .logo::before,
    body > h1:first-child::before,
    body > h2:first-child::before {
        width: 82px;
        height: 82px;
    }

    .nav a,
    .acciones a {
        width: 100%;
        max-width: 320px;
    }

    table {
        display: block;
        width: 100% !important;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .card,
    .card-form,
    .filtro,
    .filtros {
        padding: 18px !important;
    }
}

@media (max-width: 980px) {
    .grid-admin {
        grid-template-columns: 1fr !important;
    }

    .admin-shell,
    .tools-shell,
    .grid-admin,
    .tools-grid,
    .grid-admin > *,
    .tools-grid > * {
        min-width: 0;
        max-width: 100%;
    }
}

@media (max-width: 720px) {
    .tools-grid {
        grid-template-columns: minmax(0, 1fr) !important;
    }

    .tool-card input,
    .tool-card select,
    .tool-card textarea,
    .tool-card button,
    .admin-shell input,
    .admin-shell select,
    .admin-shell textarea,
    .admin-shell button {
        max-width: 100% !important;
    }

    .tool-card button,
    .admin-shell button {
        width: 100% !important;
        min-width: 0 !important;
    }

    .xlsx-example {
        display: block !important;
        max-width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}