/* ─────────────────────────────────────────────────────────────
   login.css — CSS que Tailwind no puede hacer:
   variables White Label + animaciones + colores dinámicos
   ───────────────────────────────────────────────────────────── */

/* === CSS Variables (White Label) ============================ */
:root {
    --primary:     #6366f1;
    --secondary:   #4f46e5;
    --primary-rgb: 99, 102, 241;
}

/* === Background glow (cambia con el tenant) ================= */
.bg-glow {
    background: radial-gradient(
        circle,
        rgba(var(--primary-rgb), 0.1) 0%,
        transparent 65%
    );
    transition: background 1s ease;
}

/* === Card stripe (gradiente del tenant) ===================== */
.card-stripe {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: background 0.8s ease;
}

/* === Loading bar (shimmer sobre la stripe) ================== */
.loading-bar {
    overflow: hidden;
    opacity: 0;
    transition: opacity 0.15s ease;
}
.loading-bar::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.75) 50%,
        transparent 100%
    );
    transform: translateX(-100%);
}
.login-card.is-loading .loading-bar {
    opacity: 1;
}
.login-card.is-loading .loading-bar::after {
    animation: loadingSlide 1.1s ease-in-out infinite;
}

@keyframes loadingSlide {
    from { transform: translateX(-100%); }
    to   { transform: translateX(200%); }
}

/* === Logo area ==================================================== */
.logo-area {
    min-height: 110px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#logo-img {
    display: block;
    width: 100%;
    max-width: 220px;
    max-height: 80px;
    object-fit: contain;
}

#logo-img.hidden {
    display: none;
}

/* === Botón principal (gradiente dinámico) =================== */
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    transition: transform 0.22s ease,
                box-shadow 0.22s ease,
                background 0.7s ease,
                opacity 0.15s;
}
.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(var(--primary-rgb), 0.38);
}
.btn-primary:active:not(:disabled) { transform: translateY(0); }
.btn-primary:disabled               { opacity: 0.68; cursor: not-allowed; }

/* Loading state del botón */
@keyframes spin { to { transform: rotate(360deg); } }
.btn-spinner {
    display: none;
    width: 18px; height: 18px;
    border: 2.5px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.65s linear infinite;
}
.btn-primary.loading .btn-text    { display: none; }
.btn-primary.loading .btn-spinner { display: block; }

/* === Input focus ring (color del tenant) ==================== */
.input-dynamic {
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.15s;
}
.input-dynamic:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
    background: #fff !important;
}

/* === Company badge (color del tenant) ======================= */
.company-badge {
    border: 1.5px solid rgba(var(--primary-rgb), 0.2);
    background: rgba(var(--primary-rgb), 0.05);
    transition: border-color 0.6s ease, background 0.6s ease;
}
.badge-code {
    color: var(--primary);
    transition: color 0.6s ease;
}

/* === Pasos: show / hide + animación ========================= */
.step { display: none; }
.step.active {
    display: block;
    animation: stepIn 0.36s cubic-bezier(0.4, 0, 0.2, 1) both;
}
@keyframes stepIn {
    from { opacity: 0; transform: translateY(13px); }
    to   { opacity: 1; transform: translateY(0);    }
}

/* === Shake en error ========================================= */
@keyframes shake {
    0%,100% { transform: translateX(0);    }
    20%     { transform: translateX(-7px); }
    40%     { transform: translateX(7px);  }
    60%     { transform: translateX(-4px); }
    80%     { transform: translateX(4px);  }
}
.shake { animation: shake 0.36s ease; }

/* === Alertas ================================================ */
.alert { display: none; }
.alert-error {
    display: flex; align-items: flex-start; gap: 8px;
    padding: 11px 14px; margin-top: 14px; border-radius: 11px;
    font-size: 13.5px; font-weight: 500; line-height: 1.5;
    background: #fef2f2; color: #dc2626; border: 1.5px solid #fecaca;
}
.alert-success {
    display: flex; align-items: flex-start; gap: 8px;
    padding: 11px 14px; margin-top: 14px; border-radius: 11px;
    font-size: 13.5px; font-weight: 500; line-height: 1.5;
    background: #f0fdf4; color: #16a34a; border: 1.5px solid #bbf7d0;
}
.alert svg { flex-shrink: 0; margin-top: 1px; }