/* ===========================================================
   Estilos del sistema de encuestas - Servicios Profesionales SOR
   Paleta de marca: azul corporativo + acento naranja (transporte/logística)
   =========================================================== */

:root {
    --sor-azul: #0f4c81;
    --sor-azul-oscuro: #0a2f52;
    --sor-naranja: #f2994a;
    --sor-verde: #219653;
    --sor-amarillo: #e2b93b;
    --sor-rojo: #c0392b;
    --sor-texto: #1f2937;
    --sor-texto-muted: #6b7684;
    --sor-borde: #e2e8f0;
    --sor-fondo: #f4f6f9;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--sor-fondo);
    color: var(--sor-texto);
}

a { color: var(--sor-azul); }

/* ---------- Encabezado público ---------- */
.qs-header {
    background: var(--sor-azul);
    color: #fff;
    padding: 28px 20px;
    text-align: center;
}
.qs-header h1 { margin: 0 0 6px; font-size: 1.6rem; }
.qs-header p { margin: 0; opacity: .9; }

.qs-container {
    max-width: 720px;
    margin: 30px auto;
    padding: 0 16px;
}

.qs-card {
    background: #fff;
    border-radius: 12px;
    padding: 28px;
    box-shadow: 0 2px 10px rgba(15, 76, 129, .08);
}

.qs-intro { color: var(--sor-texto-muted); line-height: 1.5; }

.qs-footer {
    text-align: center;
    color: var(--sor-texto-muted);
    font-size: .85rem;
    padding: 24px 16px 40px;
}

/* ---------- Alertas ---------- */
.qs-alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 18px;
    font-size: .95rem;
}
.qs-alert-error   { background: #fdecea; color: var(--sor-rojo); border: 1px solid #f5c6c2; }
.qs-alert-success { background: #eaf7ef; color: var(--sor-verde); border: 1px solid #bfe6cd; }
.qs-alert-warning { background: #fdf3e3; color: #9a6a13; border: 1px solid #f2d9a6; }

/* ---------- Formulario de encuesta ---------- */
.qs-field { margin-bottom: 22px; }
.qs-question { display: block; font-weight: 600; margin-bottom: 8px; }
.qs-required { color: var(--sor-rojo); margin-left: 3px; }

.qs-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--sor-borde);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    background: #fff;
    color: var(--sor-texto);
}
.qs-input:focus { outline: none; border-color: var(--sor-azul); box-shadow: 0 0 0 3px rgba(15, 76, 129, .12); }

.qs-scale {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.qs-scale label {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border: 1px solid var(--sor-borde);
    border-radius: 8px;
    cursor: pointer;
}
.qs-scale label:has(input:checked) {
    border-color: var(--sor-azul);
    background: rgba(15, 76, 129, .06);
}
.qs-scale-labels {
    display: flex;
    justify-content: space-between;
    color: var(--sor-texto-muted);
    font-size: .8rem;
    margin-top: 6px;
    max-width: 260px;
}

.qs-btn {
    display: inline-block;
    background: var(--sor-azul);
    color: #fff;
    border: none;
    padding: 12px 22px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
}
.qs-btn:hover { background: var(--sor-azul-oscuro); }
.qs-btn-secondary {
    background: #fff;
    color: var(--sor-azul);
    border: 1px solid var(--sor-azul);
}
.qs-btn-secondary:hover { background: rgba(15, 76, 129, .06); }

/* ---------- Login ---------- */
.qs-login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sor-azul);
    padding: 20px;
}
.qs-login-card {
    background: #fff;
    border-radius: 12px;
    padding: 34px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, .2);
}
.qs-login-card h1 { margin-top: 0; font-size: 1.3rem; }

.qs-form-row { margin-bottom: 16px; }
.qs-form-row label { display: block; font-weight: 600; margin-bottom: 6px; font-size: .9rem; }

.qs-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
@media (max-width: 640px) {
    .qs-two-col { grid-template-columns: 1fr; }
}

/* ---------- Panel de administración ---------- */
.qs-admin-nav {
    display: flex;
    align-items: center;
    gap: 24px;
    background: var(--sor-azul-oscuro);
    color: #fff;
    padding: 12px 24px;
    flex-wrap: wrap;
}
.qs-admin-brand { display: flex; flex-direction: column; line-height: 1.2; margin-right: 12px; }
.qs-admin-brand strong { font-size: 1rem; }
.qs-admin-brand span { font-size: .75rem; opacity: .75; }

.qs-admin-menu { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
.qs-admin-menu a {
    color: rgba(255, 255, 255, .85);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: .9rem;
}
.qs-admin-menu a:hover { background: rgba(255, 255, 255, .1); }
.qs-admin-menu a.active { background: var(--sor-naranja); color: #fff; font-weight: 600; }

.qs-admin-user { display: flex; align-items: center; gap: 14px; font-size: .9rem; }
.qs-admin-user a { color: rgba(255, 255, 255, .85); text-decoration: none; }
.qs-admin-user a.active { text-decoration: underline; }
.qs-admin-logout { color: #ffd4c2 !important; }

.qs-admin-main { max-width: 1180px; margin: 0 auto; padding: 26px 20px 60px; }
.qs-admin-title { margin: 0 0 20px; font-size: 1.4rem; color: var(--sor-azul-oscuro); }
.qs-admin-footer { text-align: center; color: var(--sor-texto-muted); font-size: .8rem; padding: 20px 16px 40px; }

.qs-chart-card {
    background: #fff;
    border-radius: 12px;
    padding: 22px;
    box-shadow: 0 2px 10px rgba(15, 76, 129, .06);
    margin-bottom: 20px;
}

.qs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}
.qs-stat {
    background: #fff;
    border-radius: 12px;
    padding: 18px 20px;
    box-shadow: 0 2px 10px rgba(15, 76, 129, .06);
    border-left: 4px solid var(--sor-azul);
}
.qs-stat-label { font-size: .8rem; color: var(--sor-texto-muted); margin-bottom: 6px; }
.qs-stat-value { font-size: 1.7rem; font-weight: 700; color: var(--sor-azul-oscuro); }
.qs-stat-ok { border-left-color: var(--sor-verde); }
.qs-stat-ok .qs-stat-value { color: var(--sor-verde); }
.qs-stat-bad { border-left-color: var(--sor-rojo); }
.qs-stat-bad .qs-stat-value { color: var(--sor-rojo); }

.qs-progress {
    background: #eef1f5;
    border-radius: 20px;
    overflow: hidden;
    height: 28px;
}
.qs-progress-bar {
    height: 100%;
    background: var(--sor-verde);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 10px;
    font-size: .8rem;
    font-weight: 600;
    white-space: nowrap;
    min-width: 40px;
}
.qs-progress-bad { background: var(--sor-naranja); }

.qs-muted { color: var(--sor-texto-muted); }

.qs-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.qs-table th, .qs-table td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--sor-borde);
}
.qs-table th { color: var(--sor-texto-muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .02em; }

.qs-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: .78rem;
    font-weight: 600;
}
.qs-badge-ok   { background: #eaf7ef; color: var(--sor-verde); }
.qs-badge-off  { background: #eef1f5; color: var(--sor-texto-muted); }
.qs-badge-warn { background: #fdf3e3; color: #9a6a13; }

.qs-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.qs-actions form { display: inline; margin: 0; }

.qs-link {
    color: var(--sor-azul);
    text-decoration: none;
    font-size: .9rem;
}
.qs-link:hover { text-decoration: underline; }

.qs-inline-form { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

.qs-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 10px;
}