/* ============================================================
   styles.css — Buscador de Acuerdos Uniputumayo
   Colores basados en la identidad visual institucional:
   Azul #206090 | Verde #80c020
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --azul:       #206090;
    --azul-medio: #2f78ad;
    --azul-claro: #e7f1f7;
    --verde:      #80c020;
    --verde-osc:  #5f9319;
    --verde-cl:   #eff8e5;
    --naranja:    #80c020;
    --naranja-cl: #eff8e5;
    --gris-text:  #2c2c2c;
    --gris-sub:   #5f5e5a;
    --gris-borde: #d3d1c7;
    --blanco:     #ffffff;
    --fondo:      #f7f6f1;
    --radio:      8px;
    --sombra:     0 2px 8px rgba(32,96,144,.10);
    --trans:      .2s ease;
}

body {
    font-family: Arial, sans-serif;
    font-size: 16px;
    color: var(--gris-text);
    background: var(--fondo);
    line-height: 1.6;
}

/* ---- Vista pública ---- */
.public-page {
    background: #f4f7f9;
}
.public-header {
    background: var(--azul);
    color: var(--blanco);
    border-bottom: 5px solid var(--verde);
}
.public-header-inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 18px 18px 22px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 18px;
    align-items: center;
}
.public-brand {
    display: inline-flex;
    align-items: center;
    background: var(--blanco);
    border-radius: 8px;
    padding: 7px 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,.16);
}
.public-brand img {
    width: 210px;
    max-width: 44vw;
    height: auto;
    display: block;
}
.public-title .eyebrow {
    color: #cde5f6;
    font-size: .78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: 2px;
}
.public-title h1 {
    font-size: 1.55rem;
    line-height: 1.2;
    margin-bottom: 4px;
}
.public-title p {
    color: #e5f0f8;
    font-size: .92rem;
}
.admin-access {
    color: var(--azul);
    background: var(--blanco);
    border: 1px solid #dcebf4;
    border-radius: 8px;
    padding: 9px 14px;
    text-decoration: none;
    font-weight: 700;
    white-space: nowrap;
}
.admin-access:hover {
    background: #eef7fb;
}
.public-container {
    max-width: 1180px;
    margin: 22px auto 28px;
    padding: 0 18px;
}
.search-panel,
.results-section {
    background: var(--blanco);
    border: 1px solid #dfe7ec;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(32,96,144,.08);
}
.search-panel {
    padding: 18px;
}
.search-form {
    display: grid;
    grid-template-columns: minmax(260px, 1fr) minmax(180px, 230px) minmax(120px, 160px) auto;
    gap: 12px;
    align-items: end;
}
.search-query {
    grid-column: auto;
}
.search-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}
.summary-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin: 14px 0;
}
.summary-strip div {
    background: var(--blanco);
    border: 1px solid #dfe7ec;
    border-radius: 8px;
    padding: 14px 16px;
}
.summary-strip strong {
    display: block;
    color: var(--azul);
    font-size: 1.35rem;
    line-height: 1;
}
.summary-strip span {
    color: var(--gris-sub);
    font-size: .86rem;
}
.results-section {
    padding: 18px;
}
.results-header {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
    border-bottom: 1px solid #e4eaee;
    padding-bottom: 14px;
    margin-bottom: 14px;
}
.results-header h2 {
    color: var(--azul);
    font-size: 1.25rem;
    line-height: 1.2;
}
.results-header p,
.page-indicator {
    color: var(--gris-sub);
    font-size: .9rem;
}
.page-indicator {
    background: var(--azul-claro);
    color: var(--azul);
    border-radius: 8px;
    padding: 5px 10px;
    white-space: nowrap;
}
.results-list {
    display: grid;
    gap: 12px;
}
.agreement-card {
    border: 1px solid #dfe7ec;
    border-radius: 8px;
    padding: 15px 16px;
    background: #ffffff;
}
.agreement-card:hover {
    border-color: #b8cfdf;
    box-shadow: 0 3px 10px rgba(32,96,144,.08);
}
.agreement-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 9px;
}
.agreement-number {
    color: var(--azul);
    font-weight: 800;
}
.agreement-date {
    color: var(--gris-sub);
    font-size: .86rem;
}
.agreement-card h3 {
    color: var(--gris-text);
    font-size: 1rem;
    line-height: 1.42;
    font-weight: 700;
    margin-bottom: 12px;
}
.agreement-actions {
    display: flex;
    justify-content: flex-end;
}
.invalid-link {
    color: #7a1f1f;
    font-size: .86rem;
    font-weight: 700;
}
.empty-state {
    text-align: center;
    padding: 34px 16px;
    color: var(--gris-sub);
}
.empty-state strong {
    display: block;
    color: var(--azul);
    font-size: 1.1rem;
    margin-bottom: 5px;
}
.empty-state .btn {
    margin-top: 14px;
}

/* ---- Encabezado ---- */
.encabezado {
    background: var(--azul);
    color: var(--blanco);
    padding: 18px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.marca {
    display: inline-flex;
    background: var(--blanco);
    border-radius: var(--radio);
    padding: 6px 10px;
    box-shadow: var(--sombra);
}
.marca-logo {
    width: 220px;
    max-width: 55vw;
    height: auto;
    display: block;
}
.encabezado-texto {
    min-width: 220px;
    flex: 1;
}
.encabezado h1  { font-size: 1.1rem; font-weight: 700; line-height: 1.3; }
.encabezado p   { font-size: .8rem; opacity: .8; }
.btn.btn-admin {
    margin-left: auto;
    color: var(--azul);
    border-color: #d7e6f6;
    font-size: 1rem;
    padding: 10px 18px;
    background: #eef5fc;
    box-shadow: 0 1px 4px rgba(0,0,0,.14);
}
.btn.btn-admin:hover {
    color: var(--azul);
    background: var(--blanco);
    border-color: #ffffff;
    text-decoration: none;
}

/* ---- Contenedor principal ---- */
.contenedor {
    max-width: 1100px;
    margin: 28px auto;
    padding: 0 16px;
}

/* ---- Tarjeta ---- */
.card {
    background: var(--blanco);
    border-radius: var(--radio);
    box-shadow: var(--sombra);
    padding: 24px;
    margin-bottom: 24px;
}

/* ---- Formulario de búsqueda ---- */
.form-busqueda {
    display: grid;
    grid-template-columns: 1fr auto auto auto;
    gap: 10px;
    align-items: end;
}
@media (max-width: 640px) {
    .form-busqueda { grid-template-columns: 1fr; }
}

@media (max-width: 840px) {
    .public-header-inner {
        grid-template-columns: 1fr;
        align-items: start;
    }
    .admin-access {
        width: fit-content;
    }
    .search-form {
        grid-template-columns: 1fr 1fr;
    }
    .search-query {
        grid-column: 1 / -1;
    }
    .search-actions {
        grid-column: 1 / -1;
    }
}

@media (max-width: 560px) {
    .public-header-inner {
        padding: 14px;
    }
    .public-title h1 {
        font-size: 1.25rem;
    }
    .public-brand img {
        width: 180px;
        max-width: 72vw;
    }
    .search-form,
    .summary-strip {
        grid-template-columns: 1fr;
    }
    .results-header,
    .agreement-actions {
        display: block;
    }
    .agreement-actions .btn {
        width: 100%;
        justify-content: center;
    }
    .page-indicator {
        display: inline-block;
        margin-top: 8px;
    }
}
.campo-full { grid-column: 1 / -1; }

.campo label {
    display: block;
    font-size: .8rem;
    font-weight: 700;
    color: var(--azul);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.campo input,
.campo select,
.campo textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1.5px solid var(--gris-borde);
    border-radius: var(--radio);
    font-size: .95rem;
    transition: border-color var(--trans);
    background: var(--blanco);
    color: var(--gris-text);
}
.campo textarea {
    min-height: 82px;
    resize: vertical;
}
.ayuda-campo {
    color: var(--gris-sub);
    font-size: .82rem;
    margin-top: 6px;
}
.campo input:focus,
.campo select:focus,
.campo textarea:focus {
    outline: none;
    border-color: var(--azul-medio);
    box-shadow: 0 0 0 3px rgba(32,96,144,.15);
}

/* ---- Botones ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border: none;
    border-radius: var(--radio);
    font-size: .95rem;
    font-weight: 700;
    cursor: pointer;
    transition: background var(--trans), transform var(--trans);
    text-decoration: none;
}
.btn:active { transform: scale(.97); }
.btn-block { width: 100%; justify-content: center; }
.btn-primario  { background: var(--azul);    color: var(--blanco); }
.btn-primario:hover  { background: var(--azul-medio); }
.btn-naranja   { background: var(--verde); color: var(--blanco); }
.btn-naranja:hover   { background: var(--verde-osc); }
.btn-borde     { background: transparent; border: 1.5px solid var(--gris-borde); color: var(--gris-sub); }
.btn-borde:hover     { border-color: var(--azul); color: var(--azul); }
.btn-peligro   { background: #a32d2d; color: var(--blanco); }
.btn-peligro:hover   { background: #7a1f1f; }
.btn-sm        { padding: 5px 12px; font-size: .85rem; }

/* ---- Tabla de resultados ---- */
.resumen-resultados {
    font-size: .9rem;
    color: var(--gris-sub);
    margin-bottom: 14px;
}
.tabla-wrap { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
    font-size: .9rem;
}
thead th {
    background: var(--azul);
    color: var(--blanco);
    padding: 11px 14px;
    text-align: left;
    font-weight: 700;
    white-space: nowrap;
}
tbody tr:nth-child(even) { background: var(--azul-claro); }
tbody tr:hover           { background: #d4e3f5; }
tbody td { padding: 10px 14px; border-bottom: 1px solid var(--gris-borde); vertical-align: middle; }
.sin-corte { white-space: nowrap; }
.tabla-vacia {
    text-align: center;
    padding: 30px;
    color: var(--gris-sub);
}

/* ---- Badge órgano ---- */
.badge {
    display: inline-block;
    font-size: .75rem;
    font-weight: 700;
    padding: 3px 9px;
    border-radius: 20px;
    white-space: nowrap;
}
.badge-directivo { background: var(--azul-claro); color: var(--azul); }
.badge-academico { background: var(--verde-cl); color: #315d12; }

/* ---- Paginación ---- */
.paginacion {
    display: flex;
    gap: 6px;
    justify-content: center;
    margin-top: 18px;
    flex-wrap: wrap;
}
.paginacion a, .paginacion span {
    padding: 6px 12px;
    border-radius: var(--radio);
    font-size: .9rem;
    text-decoration: none;
    border: 1.5px solid var(--gris-borde);
    color: var(--azul);
    transition: background var(--trans);
}
.paginacion a:hover       { background: var(--azul-claro); }
.paginacion .activa       { background: var(--azul); color: var(--blanco); border-color: var(--azul); }

/* ---- Mensajes ---- */
.alerta { padding: 12px 16px; border-radius: var(--radio); margin-bottom: 16px; font-size: .9rem; }
.alerta-ok    { background: #eaf3de; color: #27500a; border-left: 4px solid #639922; }
.alerta-error { background: #fcebeb; color: #501313; border-left: 4px solid #a32d2d; }
.alerta-info  { background: var(--azul-claro); color: var(--azul); border-left: 4px solid var(--azul); }
.alerta-texto { color: #7a1f1f; }
.alerta-oculta {
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity .3s ease, transform .3s ease;
}

/* ---- Panel admin: formulario CRUD ---- */
.form-crud {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
@media (max-width: 560px) { .form-crud { grid-template-columns: 1fr; } }
.form-crud .campo-full { grid-column: 1 / -1; }
.titulo-card {
    color: var(--azul);
    margin-bottom: 18px;
}
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    cursor: pointer;
}
.acciones-form,
.acciones-tabla,
.admin-links,
.busqueda-admin {
    display: flex;
    gap: 10px;
}
.acciones-form {
    margin-top: 18px;
    flex-wrap: wrap;
}
.acciones-enlace-pdf {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 8px;
}
.estado-generar-palabras {
    margin-top: 0;
}
.acciones-tabla {
    gap: 6px;
    white-space: nowrap;
}
.acciones-tabla form {
    display: inline-flex;
}
.encabezado-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}
.busqueda-admin input,
.busqueda-admin select {
    padding: 7px 12px;
    border: 1.5px solid var(--gris-borde);
    border-radius: var(--radio);
    font-size: .9rem;
    min-width: 220px;
    background: var(--blanco);
    color: var(--gris-text);
}
.busqueda-admin select {
    min-width: 170px;
}
.filtros-admin {
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
}
.estado {
    font-size: .8rem;
}
.estado-ok { color: #27500a; }
.estado-inactivo { color: #7a1f1f; }

/* ---- Login ---- */
.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        linear-gradient(rgba(26,59,110,.78), rgba(26,59,110,.88)),
        url("logos/fondo.jpeg") center / cover no-repeat;
    padding: 24px;
}
.login-card {
    background: var(--blanco);
    border-radius: 12px;
    padding: 36px 32px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 8px 32px rgba(0,0,0,.25);
}
.login-logo {
    width: 100%;
    height: auto;
    display: block;
    margin-bottom: 22px;
}
.login-card h2 { color: var(--azul); margin-bottom: 6px; }
.login-card p  { color: var(--gris-sub); font-size: .9rem; margin-bottom: 22px; }
.campo-login { margin-bottom: 14px; }
.campo-login-final { margin-bottom: 20px; }
.volver-login {
    margin-top: 18px;
    text-align: center;
    font-size: .85rem;
}
.volver-login a { color: var(--azul-medio); }

/* ---- Footer admin bar ---- */
.admin-bar {
    background: var(--azul);
    color: #b5d4f4;
    font-size: .85rem;
    padding: 10px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.admin-identidad {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.admin-identidad img {
    width: 24px;
    height: 24px;
    border-radius: 4px;
}
.admin-bar a { color: var(--blanco); text-decoration: none; font-weight: 700; }
.admin-bar a:hover,
.btn-link-admin:hover { text-decoration: underline; }
.btn-link-admin {
    background: transparent;
    border: 0;
    color: var(--blanco);
    cursor: pointer;
    font: inherit;
    font-weight: 700;
    padding: 0;
}

/* ---- Sin resultados ---- */
.sin-resultados {
    text-align: center;
    padding: 40px 20px;
    color: var(--gris-sub);
}
.sin-resultados-icono { font-size: 2.5rem; }
.sin-resultados p { margin-top: 8px; font-size: .95rem; }

/* ---- Enlace PDF ---- */
.link-pdf {
    color: var(--azul-medio);
    text-decoration: none;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: .88rem;
}
.link-pdf:hover { text-decoration: underline; }
.link-pdf-admin {
    margin-top: 8px;
}
.doc-links {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

/* ---- Pie institucional ---- */
.pie-institucional {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 10px;
    color: var(--gris-sub);
    text-align: center;
    padding: 0 16px 18px;
    font-size: .8rem;
}
.pie-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 22px;
    flex-wrap: wrap;
}
.pie-logos img {
    height: auto;
    mix-blend-mode: multiply;
}
.logo-gobierno {
    width: 92px;
}
.logo-vigilada {
    width: 176px;
    max-width: 70vw;
}
.pie-institucional p {
    margin: 0;
}

@media (max-width: 560px) {
    .pie-logos {
        gap: 12px;
    }
    .logo-gobierno {
        width: 84px;
    }
    .logo-vigilada {
        width: 162px;
    }
}

@media (max-width: 640px) {
    .encabezado {
        align-items: flex-start;
    }
    .btn-admin {
        margin-left: 0;
    }
    .admin-links,
    .busqueda-admin {
        flex-wrap: wrap;
    }
}