@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@500;600&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@500;700&display=swap');

:root {
    --rl-rojo: #E31B23;
    --rl-rojo-oscuro: #B7141B;
    --rl-negro: #0D0D0D;
    --rl-carbon: #1F1F1F;
    --rl-hueso: #FAFAFA;
    --rl-borde: #E7E5E2;
    --rl-texto: #1A1A1A;
    --rl-texto-suave: #6B6B6B;
    --rl-verde: #1E8E4F;
    --rl-verde-fondo: #E9F7EF;

    --rl-display: 'Oswald', 'Arial Narrow', sans-serif;
    --rl-body: 'Inter', Arial, sans-serif;
    --rl-mono: 'JetBrains Mono', 'Courier New', monospace;
}

* { box-sizing: border-box; }

body {
    font-family: var(--rl-body);
    margin: 0;
    background: var(--rl-hueso);
    color: var(--rl-texto);
}

h1, h2, h3 {
    font-family: var(--rl-display);
    font-weight: 600;
}

/* ---- Login ---- */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background:
        radial-gradient(circle at 20% 20%, rgba(227,27,35,0.18), transparent 45%),
        linear-gradient(180deg, var(--rl-negro) 0%, var(--rl-carbon) 100%);
}

.login-box {
    background: #fff;
    padding: 40px;
    border-radius: 8px;
    width: 320px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.35);
    text-align: center;
    border-top: 4px solid var(--rl-rojo);
}

.login-box h1 {
    margin: 0 0 4px;
    font-size: 20px;
    letter-spacing: 0.5px;
}

.subtitle {
    color: var(--rl-texto-suave);
    margin-bottom: 24px;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.login-box form {
    text-align: left;
}

.login-box label {
    font-size: 12px;
    font-weight: 600;
    display: block;
    margin-bottom: 4px;
    color: var(--rl-texto-suave);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.login-box input {
    width: 100%;
    padding: 10px 12px;
    margin-bottom: 16px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: var(--rl-body);
    font-size: 14px;
}

.login-box input:focus {
    outline: none;
    border-color: var(--rl-rojo);
}

.login-box button {
    width: 100%;
    padding: 12px;
    background: var(--rl-rojo);
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-family: var(--rl-display);
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 13px;
}

.login-box button:hover {
    background: var(--rl-rojo-oscuro);
}

.alert {
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 16px;
    font-size: 13px;
}

.alert-error {
    background: #fdecea;
    color: var(--rl-rojo-oscuro);
    border: 1px solid #f6c4c1;
}

/* ---- Panel / Dashboard ---- */
.topbar {
    background: var(--rl-negro);
    color: #fff;
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    row-gap: 6px;
    border-bottom: 3px solid var(--rl-rojo);
    font-family: var(--rl-display);
    font-size: 14px;
    letter-spacing: 0.3px;
}

.topbar-user {
    font-family: var(--rl-body);
    font-size: 13px;
}

.topbar-user a {
    color: #fff;
    opacity: 0.8;
}

.topbar-user a:hover {
    opacity: 1;
}

.content {
    padding: 28px 24px;
    max-width: 900px;
    margin: 0 auto;
}

.content-wide {
    max-width: 1300px;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.content-header h1 {
    font-size: 22px;
    margin: 0;
}

/* ---- Botones ---- */
.btn {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 4px;
    text-decoration: none;
    font-family: var(--rl-display);
    font-weight: 500;
    font-size: 13px;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    transition: background 0.12s ease, transform 0.12s ease;
}

.btn-primary {
    background: var(--rl-rojo);
    color: #fff;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--rl-rojo-oscuro);
}

.btn-secondary {
    background: #fff;
    color: var(--rl-texto);
    border: 1px solid #ddd;
}

.btn-secondary:hover {
    border-color: var(--rl-negro);
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
    border: none;
    font-size: 14px;
}

.btn-danger {
    background: var(--rl-rojo-oscuro);
    color: #fff;
    border: none;
    padding: 10px 18px;
    border-radius: 4px;
    font-family: var(--rl-display);
    font-weight: 500;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    font-size: 13px;
    cursor: pointer;
    margin-right: 8px;
}

/* ---- Cajas de info ---- */
.info-box {
    background: #fff;
    padding: 16px;
    border-radius: 6px;
    margin-bottom: 12px;
    border: 1px solid var(--rl-borde);
    font-size: 14px;
}

.success-box {
    background: var(--rl-verde-fondo);
    border-color: #bfe6cd;
    color: var(--rl-verde);
}

.danger-box {
    background: #fdecea;
    border-color: #f6c4c1;
    color: var(--rl-rojo-oscuro);
}

/* ---- Formulario de certificado ---- */
.form-certificado fieldset {
    background: #fff;
    border: 1px solid var(--rl-borde);
    border-radius: 6px;
    padding: 16px 20px 20px;
    margin-bottom: 16px;
    border-top: 3px solid var(--rl-rojo);
}

.form-certificado legend {
    font-family: var(--rl-display);
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 13px;
    padding: 0 6px;
    color: var(--rl-texto);
}

.fieldset-help {
    color: var(--rl-texto-suave);
    font-size: 13px;
    margin: 0 0 10px;
}

.form-certificado label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    margin: 10px 0 4px;
    color: var(--rl-texto-suave);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.form-certificado input[type="text"],
.form-certificado input[type="number"],
.form-certificado input[type="date"],
.form-certificado textarea {
    width: 100%;
    padding: 9px 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: var(--rl-body);
    font-size: 14px;
}

.form-certificado input:focus,
.form-certificado textarea:focus,
.select-estado:focus {
    outline: none;
    border-color: var(--rl-rojo);
}

.checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 8px;
    font-weight: normal !important;
    text-transform: none !important;
    margin: 8px 0 !important;
}

.checkbox-label input {
    width: auto;
}

.select-estado {
    padding: 9px 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    width: 100%;
    font-family: var(--rl-body);
    font-size: 14px;
}

.tabla-vidrios-form {
    width: 100%;
    border-collapse: collapse;
}

.tabla-vidrios-form td {
    padding: 6px 0;
    vertical-align: middle;
}

.tabla-vidrios-form td:first-child {
    width: 65%;
}

.tabla-vidrios-form td:last-child input {
    width: 100%;
    padding: 7px 9px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: var(--rl-body);
    font-size: 13px;
}

/* ---- Vista previa del certificado guardado ---- */
.cert-preview {
    background: #fff;
    border: 1px solid var(--rl-borde);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 20px;
}

.cert-preview h3 {
    font-family: var(--rl-display);
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--rl-rojo);
    margin: 24px 20px 8px;
    border-bottom: 1px solid var(--rl-borde);
    padding-bottom: 6px;
}

.cert-preview h3:first-of-type {
    margin-top: 20px;
}

.cert-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 20px;
    border-bottom: 1px dashed var(--rl-borde);
    font-size: 14px;
}

.cert-row span:first-child {
    color: var(--rl-texto-suave);
}

.cert-highlight {
    background: var(--rl-negro);
    color: #fff;
    padding: 14px 20px;
    border-bottom: none;
    font-family: var(--rl-mono);
}

.cert-highlight span:first-child {
    color: #999;
    font-family: var(--rl-body);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cert-highlight strong {
    color: var(--rl-rojo);
    font-size: 15px;
}

/* ---- Layout de dos columnas para "Ver certificado" ---- */
.cert-view-grid {
    display: grid;
    grid-template-columns: 60% 40%;
    gap: 24px;
    align-items: start;
}

.cert-view-preview {
    position: sticky;
    top: 20px;
}

.cert-view-preview-label {
    font-family: var(--rl-display);
    font-size: 12px;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    color: var(--rl-texto-suave);
    margin: 0 0 10px;
}

.cert-view-preview .pdf-preview-frame {
    margin-bottom: 0;
}

.cert-view-preview .pdf-preview-frame iframe {
    height: 760px;
}

@media (max-width: 860px) {
    .cert-view-grid {
        grid-template-columns: 1fr;
    }
    .cert-view-preview {
        position: static;
    }
    .pdf-preview-frame iframe,
    .cert-view-preview .pdf-preview-frame iframe {
        height: 420px;
    }
    .content {
        padding: 20px 16px;
    }
    .tabla-certificados th,
    .tabla-certificados td {
        font-size: 13px;
        padding: 9px 10px;
    }
}

/* ---- Vista previa del PDF embebido ---- */
.pdf-preview-frame {
    border: 1px solid var(--rl-borde);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 20px;
    background: #525659;
}

.pdf-preview-frame iframe {
    display: block;
    width: 100%;
    height: 640px;
    border: none;
}

/* ---- Buscador ---- */
.search-form {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.filtros-form {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
    align-items: center;
}

.filtros-form input[type="text"] {
    flex: 1;
    min-width: 200px;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: var(--rl-body);
    font-size: 14px;
}

.filtros-form select {
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: var(--rl-body);
    font-size: 14px;
    background: #fff;
    color: var(--rl-texto);
}

.filtros-form input[type="text"]:focus,
.filtros-form select:focus {
    outline: none;
    border-color: var(--rl-rojo);
}

.search-form input[type="text"] {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: var(--rl-body);
    font-size: 14px;
}

.search-form input[type="text"]:focus {
    outline: none;
    border-color: var(--rl-rojo);
}

/* ---- Tabla de certificados ---- */
.tabla-wrap {
    overflow-x: auto;
    border-radius: 6px;
}

.tabla-certificados {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--rl-borde);
}

.tabla-certificados th,
.tabla-certificados td {
    padding: 11px 14px;
    text-align: left;
    border-bottom: 1px solid var(--rl-borde);
    font-size: 14px;
}

.tabla-certificados th {
    background: var(--rl-negro);
    color: #fff;
    font-family: var(--rl-display);
    font-size: 11px;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    font-weight: 500;
    white-space: nowrap;
}

.tabla-certificados td:first-child {
    font-family: var(--rl-mono);
    color: var(--rl-rojo-oscuro);
    white-space: nowrap;
}

.tabla-certificados tbody tr:hover {
    background: #fafafa;
}

.acciones {
    display: flex;
    flex-wrap: nowrap;
    gap: 4px;
    white-space: nowrap;
}

.accion-btn {
    display: inline-block;
    padding: 5px 9px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    text-decoration: none;
    color: var(--rl-texto);
    border: 1px solid transparent;
}

.accion-btn:hover {
    background: #f2f2f2;
    border-color: #e2e2e2;
}

.accion-eliminar {
    color: var(--rl-rojo-oscuro);
}

.accion-eliminar:hover {
    background: #fdecea;
    border-color: #f6c4c1;
}

.link-danger {
    color: var(--rl-rojo-oscuro) !important;
}

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.badge-ok {
    background: var(--rl-verde-fondo);
    color: var(--rl-verde);
}

.badge-off {
    background: #f1f1f1;
    color: #666;
}

.paginacion {
    display: flex;
    gap: 6px;
    margin-top: 16px;
}

.paginacion a {
    padding: 6px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-decoration: none;
    color: var(--rl-texto);
    font-size: 13px;
    font-family: var(--rl-mono);
}

.paginacion a.pagina-actual {
    background: var(--rl-negro);
    color: #fff;
    border-color: var(--rl-negro);
}