/* ============================================================
   PORTAL DE SOLICITUD DE FACTURA - styles.css
   ============================================================ */

:root {
    --sf-primary:     #2563eb;
    --sf-primary-dark:#1d4ed8;
    --sf-success:     #16a34a;
    --sf-warning:     #d97706;
    --sf-danger:      #dc2626;
    --sf-gray-50:     #f9fafb;
    --sf-gray-100:    #f3f4f6;
    --sf-gray-200:    #e5e7eb;
    --sf-gray-400:    #9ca3af;
    --sf-gray-600:    #4b5563;
    --sf-gray-800:    #1f2937;
    --sf-radius:      12px;
    --sf-shadow:      0 4px 24px rgba(0,0,0,.08);
}

* { box-sizing: border-box; }

body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--sf-gray-50);
    color: var(--sf-gray-800);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== HEADER ===== */
.sf-header {
    background: linear-gradient(135deg, var(--sf-primary) 0%, #1e40af 100%);
    color: #fff;
    padding: 1.5rem 0;
    box-shadow: 0 2px 10px rgba(37,99,235,.3);
}
.sf-header-icon {
    width: 52px; height: 52px;
    background: rgba(255,255,255,.18);
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem;
}
.sf-header-title { font-size: 1.4rem; font-weight: 700; }
.sf-header-subtitle { font-size: .875rem; opacity: .85; }

/* ===== STEPPER ===== */
.sf-stepper-wrap {
    background: #fff;
    border-bottom: 1px solid var(--sf-gray-200);
    padding: .75rem 0;
    position: sticky; top: 0; z-index: 100;
}
.sf-stepper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    flex-wrap: nowrap;
}
.sf-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .25rem;
    position: relative;
}
.sf-step-circle {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--sf-gray-200);
    color: var(--sf-gray-400);
    display: flex; align-items: center; justify-content: center;
    font-weight: 600; font-size: .9rem;
    transition: all .3s ease;
}
.sf-step.active .sf-step-circle {
    background: var(--sf-primary);
    color: #fff;
    box-shadow: 0 0 0 4px rgba(37,99,235,.2);
}
.sf-step.completed .sf-step-circle {
    background: var(--sf-success);
    color: #fff;
}
.sf-step-label {
    font-size: .72rem;
    font-weight: 500;
    color: var(--sf-gray-400);
    white-space: nowrap;
}
.sf-step.active .sf-step-label,
.sf-step.completed .sf-step-label { color: var(--sf-gray-800); }
.sf-step-line {
    height: 2px;
    width: 60px;
    background: var(--sf-gray-200);
    flex-shrink: 0;
    margin-bottom: 1.2rem;
    transition: background .3s;
}
.sf-step-line.completed { background: var(--sf-success); }

/* ===== MAIN ===== */
.sf-main {
    flex: 1;
    padding: 2rem 0 3rem;
}
.sf-card {
    background: #fff;
    border-radius: var(--sf-radius);
    box-shadow: var(--sf-shadow);
    padding: 2rem 2.5rem;
    max-width: 820px;
    margin: 0 auto;
}

/* ===== STEP HEADER ===== */
.sf-step-header {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1.75rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--sf-gray-100);
}
.sf-step-icon {
    width: 52px; height: 52px;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}
.bg-primary-soft  { background: rgba(37,99,235,.1); }
.bg-success-soft  { background: rgba(22,163,74,.1); }
.bg-warning-soft  { background: rgba(217,119,6,.1); }

.sf-step-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0;
    color: var(--sf-gray-800);
}
.sf-step-desc { font-size: .875rem; }

/* ===== DIVIDERS ===== */
.sf-section-divider {
    position: relative;
    text-align: center;
    margin: .5rem 0 .25rem;
}
.sf-section-divider::before {
    content: '';
    position: absolute;
    left: 0; right: 0; top: 50%;
    height: 1px;
    background: var(--sf-gray-200);
}
.sf-section-divider-text {
    position: relative;
    background: #fff;
    padding: 0 .75rem;
    font-size: .8rem;
    font-weight: 600;
    color: var(--sf-gray-600);
    text-transform: uppercase;
    letter-spacing: .05em;
}

/* ===== INFO BOX ===== */
.sf-info-box {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 8px;
    padding: 1rem 1.25rem;
    font-size: .875rem;
    color: #1e40af;
    display: flex;
    align-items: flex-start;
    gap: .25rem;
}

/* ===== AVISO ===== */
.sf-aviso {
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: 8px;
    padding: .875rem 1.25rem;
    font-size: .875rem;
    color: #92400e;
    display: flex;
    align-items: flex-start;
}

/* ===== STEP ACTIONS ===== */
.sf-step-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--sf-gray-100);
}

/* ===== SUMMARY / CONFIRMATION ===== */
.sf-summary-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.sf-summary-block {
    background: var(--sf-gray-50);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    border: 1px solid var(--sf-gray-200);
}
.sf-summary-block.full { grid-column: 1 / -1; }
.sf-summary-block-title {
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--sf-primary);
    margin-bottom: .6rem;
    display: flex;
    align-items: center;
    gap: .4rem;
}
.sf-summary-row {
    display: flex;
    justify-content: space-between;
    font-size: .875rem;
    margin-bottom: .3rem;
}
.sf-summary-row span:first-child { color: var(--sf-gray-600); }
.sf-summary-row span:last-child { font-weight: 500; }
.sf-monto-facturar {
    text-align: right;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--sf-success);
    margin-top: .5rem;
}
.sf-monto-facturar small {
    font-size: .85rem;
    font-weight: 400;
    color: var(--sf-gray-600);
    display: block;
}

/* ===== SUCCESS ===== */
.sf-success-icon {
    width: 90px; height: 90px;
    border-radius: 50%;
    background: rgba(22,163,74,.1);
    display: flex; align-items: center; justify-content: center;
    font-size: 3rem;
    color: var(--sf-success);
    animation: pop-in .4s ease-out;
}
@keyframes pop-in {
    0%   { transform: scale(.6); opacity: 0; }
    80%  { transform: scale(1.05); }
    100% { transform: scale(1); opacity: 1; }
}
.sf-folio-display {
    background: var(--sf-gray-50);
    border: 2px dashed var(--sf-gray-200);
    border-radius: 10px;
    padding: 1rem 2rem;
    max-width: 340px;
    text-align: center;
}
.sf-folio-display .folio-label {
    font-size: .8rem;
    color: var(--sf-gray-400);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
}
.sf-folio-display .folio-value {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--sf-primary);
    letter-spacing: .1em;
}

/* ===== RFC STATUS ===== */
#rfc-status .alert { margin: 0; font-size: .875rem; padding: .5rem .75rem; }

/* ===== VALIDACION RESULTADO ===== */
.sf-validacion-ok {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: 10px;
    padding: 1.25rem 1.5rem;
}
.sf-validacion-fail {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 10px;
    padding: 1.25rem 1.5rem;
}

/* ===== FOOTER ===== */
.sf-footer {
    background: #fff;
    border-top: 1px solid var(--sf-gray-200);
    padding: 1.25rem 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 575px) {
    .sf-card { padding: 1.25rem 1rem; }
    .sf-stepper { gap: 0; overflow-x: auto; }
    .sf-step-line { width: 30px; }
    .sf-summary-grid { grid-template-columns: 1fr; }
    .sf-step-actions { flex-direction: column-reverse; }
    .sf-step-actions > * { width: 100%; text-align: center; }
}
@media (max-width: 360px) {
    .sf-step-label { display: none; }
}

/* ===== RFC NUEVO CLIENTE CARD ===== */
.sf-rfc-nuevo-card {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: var(--sf-radius);
    padding: .85rem 1rem;
}
.sf-rfc-nuevo-card code {
    background: #dbeafe;
    color: #1d4ed8;
    padding: .1em .35em;
    border-radius: 4px;
    font-size: .9em;
}

/* ===== UPLOAD ZONE ===== */
.sf-upload-zone {
    border: 2px dashed #d1d5db;
    border-radius: var(--sf-radius);
    padding: .85rem 1rem;
    transition: border-color .2s, background .2s;
}
.sf-upload-zone:hover {
    border-color: var(--sf-primary);
    background: #f8faff;
}

/* ===== TIPO DE PEDIDO BUTTONS ===== */
.sf-tipo-pedido-btn { cursor: pointer; flex: 1 1 140px; max-width: 190px; }
.sf-tpbtn-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: .75rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: var(--sf-radius);
    background: #fff;
    transition: border-color .15s, background .15s, box-shadow .15s;
    font-size: .9rem;
    font-weight: 600;
    color: #374151;
    text-align: center;
}
.sf-tpbtn-inner i { font-size: 1.6rem; color: #9ca3af; }
.sf-tpbtn-inner small { font-size: .75rem; font-weight: 400; color: #9ca3af; }
.sf-tipo-pedido-btn input:checked + .sf-tpbtn-inner {
    border-color: var(--sf-primary);
    background: #eff6ff;
    box-shadow: 0 0 0 3px rgba(37,99,235,.12);
    color: var(--sf-primary);
}
.sf-tipo-pedido-btn input:checked + .sf-tpbtn-inner i,
.sf-tipo-pedido-btn input:checked + .sf-tpbtn-inner small { color: var(--sf-primary); }