/* ============================================================
   REGION — main.css v2  (dark / mobile-first)
   ============================================================ */

:root {
    --bg:           #0d1117;
    --surface:      #141924;
    --card:         #1a2235;
    --card-hover:   #1e2840;
    --border:       #263047;
    --border-light: #2e3d5a;

    --blue-strong:  #1e40af;
    --blue-mid:     #2563eb;
    --blue-light:   #60a5fa;
    --blue-pale:    #93c5fd;
    --blue-glow:    rgba(37,99,235,.22);

    --text:         #e2e8f0;
    --text-muted:   #8da2be;
    --text-subtle:  #5d7898;
    --orange:       #fdba74;

    --success:      #34d399;
    --success-bg:   rgba(52,211,153,.12);
    --danger:       #f87171;
    --danger-bg:    rgba(248,113,113,.12);
    --warning:      #fbbf24;

    --radius-sm: 6px;
    --radius:    10px;
    --radius-lg: 16px;
    --transition: .2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body.sc-body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.65;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ============================================================
   HEADER
   ============================================================ */
.sc-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 14px 20px;
    position: sticky;
    top: 0;
    z-index: 200;
}
.sc-header-inner {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.sc-logo      { color: var(--blue-light); font-size: 1.1rem; font-weight: 700; }
.sc-header-sub { color: var(--text-subtle); font-size: .78rem; text-transform: uppercase; letter-spacing: .5px; }

/* ============================================================
   FOOTER
   ============================================================ */
.sc-footer {
    text-align: center;
    padding: 28px 20px;
    color: var(--text-subtle);
    font-size: .8rem;
    border-top: 1px solid var(--border);
    margin-top: 60px;
}
.sc-footer a { color: var(--blue-light); text-decoration: none; }
.sc-footer a:hover { text-decoration: underline; }

/* ============================================================
   LAYOUT
   ============================================================ */
.sc-main {
    max-width: 900px;
    margin: 0 auto;
    padding: 24px 16px 80px;
}

/* ============================================================
   ESTADO VACÍO / ERROR
   ============================================================ */
.sc-empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 65vh;
    padding: 24px;
}
.sc-card-center {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 48px 32px;
    text-align: center;
    max-width: 420px;
    width: 100%;
}
.sc-empty-icon { font-size: 3rem; margin-bottom: 16px; }
.sc-card-center h2 { color: var(--text); font-size: 1.25rem; margin-bottom: 10px; }
.sc-card-center p  { color: var(--text-muted); font-size: .95rem; }

/* ============================================================
   PESTAÑAS PRINCIPALES
   ============================================================ */
.sc-tab-nav {
    display: flex;
    gap: 4px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-radius: var(--radius-lg);
    padding: 5px;
    margin-bottom: 20px;
    overflow-x: auto;
    scrollbar-width: none;
    position: sticky;
    top: 53px; /* altura del header */
    z-index: 100;
    border-radius: var(--radius-lg);
}
.sc-tab-nav::-webkit-scrollbar { display: none; }

.sc-tab {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 11px 10px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: .95rem;
    font-weight: 600;
    transition: all var(--transition);
    white-space: nowrap;
}
.sc-tab:hover  { color: var(--text); background: var(--card-hover); }
.sc-tab.active { background: var(--blue-mid); color: #fff; box-shadow: 0 2px 10px rgba(37,99,235,.35); }


/* ============================================================
   PANELES DE FORMULARIO
   ============================================================ */
.sc-form-panel {
    display: none;
    animation: sc-fadein .22s ease;
}
.sc-form-panel.active { display: block; }

@keyframes sc-fadein {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   FORMULARIO BASE
   ============================================================ */
.sc-form-titulo {
    font-size: 1.1rem;
    color: var(--blue-pale);
    margin-bottom: 22px;
    padding-bottom: 11px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
}

/* Secciones (encuesta) */
.sc-seccion { margin-bottom: 32px; }
.sc-seccion-titulo {
    font-size: .85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .6px;
    color: var(--blue-light);
    margin-bottom: 16px;
    padding: 6px 12px;
    background: rgba(37,99,235,.1);
    border-left: 3px solid var(--blue-mid);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* Campos */
.sc-field-group { margin-bottom: 20px; position: relative; }
.sc-field-group label {
    display: block;
    color: var(--orange);
    font-size: .95rem;
    font-weight: 500;
    margin-bottom: 8px;
    line-height: 1.4;
}
.sc-field {
    width: 100%;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 1rem;
    padding: 12px 14px;
    font-family: inherit;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
    resize: vertical;
}
.sc-field:focus {
    outline: none;
    border-color: var(--blue-mid);
    box-shadow: 0 0 0 3px var(--blue-glow);
    background: var(--card-hover);
}
.sc-field::placeholder { color: var(--text-subtle); }
textarea.sc-field { min-height: 100px; line-height: 1.6; }

/* Campo vacío — borde rojo sutil, sin llamar demasiado la atención */
input.sc-field:placeholder-shown:not(:focus),
textarea.sc-field:placeholder-shown:not(:focus) {
    border-color: rgba(248, 113, 113, .35);
}

/* Indicador de guardado por campo */
/* Error de validación */
.sc-field-error {
    border-color: var(--danger) !important;
    box-shadow: 0 0 0 3px rgba(248,113,113,.2) !important;
}
.sc-field-errormsg {
    display: block;
    color: var(--danger);
    font-size: .78rem;
    font-weight: 600;
    margin-top: 5px;
}

.sc-saved-indicator {
    display: inline;
    color: var(--success);
    font-size: .78rem;
    font-weight: 600;
    margin-left: 6px;
    opacity: 0;
    transition: opacity .3s;
    vertical-align: middle;
}
.sc-saved-indicator.visible { opacity: 1; }

/* Botón ir al inicio */
.sc-btn-inicio-wrap {
    text-align: center;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.sc-btn-inicio {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-muted);
    padding: 10px 28px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: .9rem;
    font-family: inherit;
    font-weight: 500;
    transition: all var(--transition);
}
.sc-btn-inicio:hover {
    border-color: var(--blue-light);
    color: var(--blue-light);
}

/* Número de pregunta */
.sc-num {
    color: var(--text-subtle);
    font-weight: 700;
    margin-right: 2px;
}

/* Select */
.sc-field[type="select"], select.sc-field {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238da2be' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
    cursor: pointer;
}
select.sc-field option {
    background: #1a2235;
    color: #e2e8f0;
}

/* Hint sector */
.sc-sector-hint {
    margin-top: 24px;
    padding: 12px 16px;
    background: rgba(37,99,235,.08);
    border: 1px solid rgba(37,99,235,.2);
    border-radius: var(--radius);
    color: var(--text-muted);
    font-size: .85rem;
    line-height: 1.5;
}
.sc-sector-hint strong { color: var(--blue-light); }

/* ============================================================
   BOTONES SÍ / NO
   ============================================================ */
.sc-sinopcion {
    display: flex;
    gap: 8px;
    margin-top: 2px;
}
.sc-sino-btn {
    padding: 10px 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    background: var(--card);
    color: var(--text-muted);
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
}
.sc-sino-btn:hover { border-color: var(--blue-light); color: var(--blue-light); }
.sc-sino-btn.selected[data-value="Sí"]  { background: var(--success-bg); border-color: var(--success); color: var(--success); }
.sc-sino-btn.selected[data-value="No"]  { background: var(--danger-bg);  border-color: var(--danger);  color: var(--danger);  }

/* ============================================================
   SUB-NAVEGACIÓN CONGREGACIONES
   ============================================================ */
.sc-cong-empty {
    padding: 40px 20px;
    text-align: center;
    color: var(--text-muted);
    background: var(--surface);
    border: 1px dashed var(--border-light);
    border-radius: var(--radius-lg);
    font-size: .95rem;
}
.sc-cong-empty strong { color: var(--blue-light); }

.sc-cong-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 20px;
    padding: 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}
.sc-cong-tab {
    min-width: 42px;
    height: 42px;
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    background: var(--card);
    color: var(--text-muted);
    font-size: .9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
}
.sc-cong-tab:hover  { border-color: var(--blue-light); color: var(--blue-light); }
.sc-cong-tab.active { background: var(--blue-mid); border-color: var(--blue-mid); color: #fff; }

.sc-cong-form { display: none; }
.sc-cong-form.active { display: block; animation: sc-fadein .22s ease; }

/* ============================================================
   BOTONES GENERALES
   ============================================================ */
.sc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 9px 18px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    font-size: .88rem;
    font-weight: 600;
    font-family: inherit;
    transition: all var(--transition);
    white-space: nowrap;
    line-height: 1;
}
.sc-btn:active { transform: scale(.97); }

.sc-btn-primary { background: var(--blue-mid); color: #fff; border-color: var(--blue-mid); }
.sc-btn-primary:hover { background: var(--blue-strong); }

.sc-btn-danger  { background: var(--danger-bg);  color: var(--danger);  border-color: rgba(248,113,113,.28); }
.sc-btn-danger:hover  { background: rgba(248,113,113,.2); }

.sc-btn-success { background: var(--success-bg); color: var(--success); border-color: rgba(52,211,153,.28); }
.sc-btn-success:hover { background: rgba(52,211,153,.22); }

.sc-btn-copy    { background: rgba(96,165,250,.1); color: var(--blue-light); border-color: rgba(96,165,250,.25); }
.sc-btn-copy:hover, .sc-btn-copy.copiado { background: rgba(96,165,250,.2); }

.sc-btn-outline { background: transparent; color: var(--text-muted); border-color: var(--border-light); }
.sc-btn-outline:hover { border-color: var(--blue-light); color: var(--blue-light); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 520px) {
    .sc-main { padding: 14px 10px 70px; }
    .sc-card-center { padding: 36px 18px; }
    .sc-tab-nav { gap: 3px; padding: 4px; }
    .sc-tab { font-size: .82rem; padding: 10px 6px; }
}